MEMBERS

Reijiro Yamamoto, a founding Partner of Integral and GCA, has over 20 years of experience in investment banking activities including domestic and cross-border M&A, MBOs, LBOs, going-private transactions, debt-restructuring, workouts of multi-national insolvent companies and sales of non-performing loans in Japan, Europe and the US. He is extremely knowledgeable on deal financing issues, having arranged, structured, negotiated financing for numerous transactions.
Reijiro Yamamoto began his career with Mitsui Bank (the current Sumitomo Mitsui Banking Corporation (SMBC)) in 1984. In 1990, he joined AT Kearney as a management consultant in Chicago and subsequently, he moved to London in 1991, where he engaged in Sakura Bank’s (currently SMBC’s) structured finance. After 7+ years in London, he returned to Japan in 1998 and joined Sakura Bank’s Mergers and Acquisitions Department (currently SMBC’s M&A firm) where he was in charge of the cross-border M&A group. In 2000, he joined Unison Capital, one of the first buyout funds in Japan.
When he was with Unison Capital, he played a key role in the success of Unison’s first fund. He provided advisory services to his portfolio companies often taking on the director role at the companies in which the fund invested.
While at GCA, he structured and closed the MBO of World Co., Ltd., the largest MBO in Japan and also led a lot of landmark M&A deals of Japan such as a US$19 billion worth merger between Hankyu and Hanshin railway companies.
He was also an investment committee of Fund I of Mezzanine Corporation, a 100% subsidiary of GCA and the first independent Mezzanine investment firm in Japan.
Reijiro Yamamoto is a frequent speaker at seminars regarding M&A and buyouts at Waseda University, Hitotsubashi ICS and other forums. He received his MBA from the Wharton School at the University of Pennsylvania as well as a Masters from the Lauder Institute. He earned his undergraduate degree from Hitotsubashi University, where he majored in Economics.

Yoshihiro Hemmi, a founding partner, is one of Japan’s rare consultant turned CEO, with a distinguished track record in the two companies he led. He began his business career with a ten-year career at Mitsui & Co. in Japan and the U.S. He then spent eight years consulting companies as a partner at a global management consulting firm, engaging in projects in many industries, followed by eight years on the corporate side as the top manager of two companies, one a start-up and the other a turnaround, which he led to dynamic growth and value enhancements.
At Mitsui & Co., he began in domestic sales & marketing in the Chemicals Division, then was transferred to Mitsui & Co. USA to promote foreign direct investment in the U.S. and Canada. He participated in establishing and managing Mitsui’s joint ventures in the chemical/plastics sector with such firms as Mitsui Chemicals, Toyota Gosei, Union Carbide and Toyo Ink.
At Boston Consulting Group, he was engaged in a variety of project themes in the Tokyo and Chicago offices including strategy, organization design, marketing, sales, SCM, HRM, Japan market entry (by foreign companies) and global expansion (for Japanese companies). He covered many industrial sectors including food, apparel, retail, pharmaceutical, industrial (chemical and cement), logistics and IT.
At adidas Japan, he participated in the establishment of a new Japanese subsidiary as a top Japanese manager. He contributed to building the company from scratch, planning and executing new strategies in marketing, sales, product procurement, logistics, organization design, corporate culture building, HRM and new business development. Since its establishment in 1998, adidas Japan has significantly enhanced its brand image, and in 2006 sales surpassed the 100 billion yen mark.
As President & CEO at Tohato, he led the company’s effort to renew its corporate brand image, developing new hit products, building management systems, renewing the corporate culture and building a new management team. As a result, the company completed its revitalization under Japan’s Civil Rehabilitation Law (Japan’s version of Chapter 11) in three years, and significantly increased its corporate value.
BA Commercial Science, Keio University, MBA, Harvard Business School
1980 Mitsui & Co. Ltd.
1987 Mitsui & Co. USA, Inc.
1990 Boston Consulting Group Inc.
1998 Elected partner
1998 adidas Japan Inc., Vice President from 2001
2004 President & CEO, Tohato Inc.
Sept. 2007 Partner, Integral Corporation
Vice Chairman, New Business Creation Committee, Keizai Douyukai (2006)
Has given various seminars and lectures on business strategy, corporate revitalization, sports marketing and brand strategy

Kensaku Mizutani, a founding partner of Integral Corporation, has significant expertise in investment banking including M&A advisory and mezzanine investment. His experience has included working for a Japanese trading company, an investment bank, an independent M&A advisory firm, and an independent mezzanine fund.
Prior to founding Integral, Kensaku Mizutani worked for Mezzanine Corporation (MCo), a wholly-owned subsidiary of GCA Corporation, which was the first independent, full-fledged mezzanine fund (JPY68.7billion) in Japan in established in 2006. While with MCo, He executed 2 precedent-setting mezzanine investments , for which he was involved in sourcing, origination, structuring, and execution.
Prior to joining MCo, Kensaku Mizutani focused on M&A advisory for both domestic and cross-border M&A transactions. He advised on numerous deals through his positions at GCA and Morgan Stanley.
Prior to joining Morgan Stanley, Kensaku Mizutani worked for Mitsubishi Corporation as a member of the project finance department where he focused on the non-recourse financing of infrastructure / mineral resource projects, Official Development Assistance, Export Machinery Plant in developing countries.

Ms. Hayase has experience in cross-border M&A advisory at one of the leading banks in Japan. Her assignments included divestitures of subsidiary, division buyout, and company revitalization in heavy machinery/TMT industries. After joining the global strategic consulting firm, she worked in Japan and in the US offices on projects such as strategy planning, new business development, business process improvement for clients in CPG, finance, TMT, and automobile sectors. Ms. Hayase joined Integral shortly after its foundation in 2007.

Nobuo Sayama, a founding Partner of Integral and GCA, and potentially the most well-known investment banker in Japan, has over 20 years of experience in the investment banking and corporate turnarounds. He began his M&A career in 1987 with Mitsui Bank (currently Sumitomo Mitsui Bank) and led the M&A team’s domestic and cross-border efforts in New York from 1990 to 1995. During the recession years of the late 1990s, he dealt with distressed deals and is known for pioneering the sale of distressed companies in Japan. He has extensive experience in many significant high profile deals, healthy and distressed, domestic and cross-border. He is well-known for his negotiation technique and style and is well sought after as an advisor.
After a 10+ year career with Mitsui Bank, Nobuo Sayama jointly established Unison Capital as a representative director and partner. Unison Capital was one of the first Japanese buyout funds which specialized in corporate turnarounds, which at the time was a new concept in Japan. While at Unison, He and his team led the turnaround of Tohato, a well-known confectionary maker, and Kiriu, a car parts manufacturer. In May 2003, he became director of Global Corporate Advisory and then assumed the position as representative director at GCA in April 2004. Prior to his investment banking career, he worked for Teijin, a fibers manufacturer, as an engineer and was involved in manufacturing technology development for polymerization of polyester as well as new product R&D.
Recently, Nobuo Sayama advised Hankyu Holdings Inc. on its merger with Hanshin Electric Railway Co., which was the largest post-war private railway merger in Japan. One of his most famous transactions was Crown Leasing, a subsidiary of Nippon Credit Bank (the current Aozora Bank), which went bankrupt with debt of over 1 trillion yen in 1997, the largest debt in the history at that time. He sold the assets amounting to over 350 billion yen of domestic lease sales as well as overseas assets in a short 2-month time frame and concurrently disposed of other domestic and overseas assets. Concurrently, he pioneered the bulk-sale of non-performing loans through this transaction where he also sold approximately 300 billion yen in NPLs over a 3 month-period. His bulk-sale method became the foundation of bad debt bulk-sale in Japan. Additionally, he is well-known for his role in the Okura Shoji bankruptcy in 1998 where he divested the airplane segment and wine business in one month, which set a precedent for bankrupt companies in Japan.
Nobuo Sayama is recognized as an M&A expert in Japan and frequently appears on televised economic debates regarding recent corporate finance topics in Japan. He is a professor at post graduate International Corporate Strategy course at Hitotsubashi University. He is well published, with works including: “Economic Analysis by Financial Information,” “Japanese M&A Practice Course,” “The Revitalization Business and Methods,” “Legal Liquidation for Corporate Revitalization: Focusing on the New Corporate Rehabilitation Act,” “Textbook for Licensing Examination of Business Administration Study: Issues for Today’s Management” and “Pre-Packaged Business Revitalization.”
Nobuo Sayama received his MBA from the Stern School of Business in at NYU. He also completed a doctoral course at the department of Industrial Engineering and Management Tokyo Institute of Technology (Ph.D.). He earned his bachelors degree from Kyoto University, where he majored in Engineering.
Nobuo Sayama is a member of the Japanese Association of Turnaround Professionals (Executive Director), Japanese Association for Business Recovery, Japan Corporate Finance Association and The Japanese Association of Management Accounting. He has been a key member of various committees of the Ministry of Economy, Trade and Industry including the MBO committee and the pre-packaged filing committee.

While Satoko Niiya was at one of the largest law firms in Japan, she conducted legal reviews of transaction schemes, conducted due diligence, negotiated and drafted contracts, and was involved in a great deal of regulation work related to M&As in transactional deals between companies and, in particular, M&As with a variety of structures. In addition to transactional deals, SatokoNiiya also has experience with legal disputes in and out of court involving companies and she has provided legal advice to companies on corporate governance.
Aiming to provide advice that is more tailored to clients, SatokoNiiya left her previous firm and established STW & Partners in 2007 together with seven other lawyers from that firm.
Satoko Niiya has been appointed as an outside director of several listed companies, so she is broadly required to provide advice to the directors of those companies not only from a legal perspective, but also from an economic perspective.

Hidetsune Goto has consistently worked with the theme of corporate evolution by making efforts in strategy development and its thorough execution, and has contributed to enhance the corporate value.
He began his career at Procter & Gamble Far East Inc. in the marketing department. As a brand manager in the matured detergent category, he drove business double by leading innovative marketing program such as value added product introduction and 3rd party endorsement marketing plan.
At Boston Consulting Group inc., he worked for many project themes such as sales strategy development with support for its execution, new business development and post merger integration at consumer goods, pharmaceutical and IT sectors.
At Tohato inc., which was under Japan’s Civil Rehabilitation Law (Japan’s version of Chapter 11), he planned the 3 years turnaround program and developed management infrastructure as operating officer in the strategic planning department. Then, he executed turnaround plan at plant by becoming manufacturing director, and led whole operation (marketing, sales and manufacturing) as vice president & COO to drive business. As a result, company successfully completed its turnaround phase.
Before joining Integral Corporation, he worked for Paris Miki Inc., a leading optical retail chain in Japan, as an operating officer in the strategic department.

Mr. Yamazaki has engaged in private equity investment since the early 2000s consistently.
In addition to investment analysis and execution, he has a wealth of experience in participating in the management of portfolio companies for value-creation on hands-on basis and in fund-raising from institutional investors.
Prior to joining Integral Corporation, Mr. Yamazaki worked at Industrial Revitalization Corporation of Japan(IRCJ) from 2004 and was mainly involved in corporate revitalization project of small and middle-sized manufacturing company. His responsibility included due diligence, planning of corporate revitalization program, execution of investment, hands-on management support to portfolio company, execution of exiting IRCJ’s investment.
Before joining IRCJ, Mr. Yamazaki worked at Strategic Business Transformation division of Deloitte Tohmatsu Consulting (now known as Abeam Consulting) and was involved in several business process transformation projects including cost reduction, inventory reduction, and operational improvement of automobile, retail, bank, and trading companies.

Mr. Nishioka joined Integral in September 2014. He was in charge of investment at Skymark Airlines Inc. (“Skymark”), where he was stationed to provide the support for the management of Skymark. He left Integral in October 2019 to assume the position of Representative Director, Senior Managing Director and Executive Officer at Skymark. Then, he resigned the position at Skymark’s general meeting of shareholders held in June 2024. He starts to work at Integral again in September 2024 and was appointed as a Partner at the same time.
Prior to joining Integral Corporation, he engaged in investment banking at Morgan Stanley from 2005, where he provided M&A advisory to clients mainly in consumer goods, financial services, technology, and telecom/media industries. Before joining Morgan Stanley, he was an investment analyst covering food/beverage and non-bank financial services sectors at Tokio Marine Asset Management.

ex-Professor Emeritus, Hitotsubashi University
ex-Professor, Harvard University, Graduate School of Business Administration
Hirotaka Takeuchi received his B.A. from International Christian University in Tokyo and M.B.A. and Ph.D. from the University of California, Berkeley.
He was an Assistant Professor at the Harvard Business School from 1976 to 1983, where he taught courses in marketing and retailing in the MBA program. He joined Hitotsubashi University in Tokyo as an Associate Professor in 1983 and became Professor in 1987. He returned to the Harvard Business School as a Visiting Professor in 1989 and 1990, where he taught “Competition and Strategy.”
Hirotaka Takeuchi’s current research interests are focused on (a) the role of marketing within a firm’s global strategy, (b) the unique features of the Japanese new product development process, (c) the competitiveness of Japanese firms in global industries, and (d) the knowledge creation process within organizations.
He is the author of The Best Practice Revolution (Diamond-sha, 1994, in Japanese) and the co-author of the following books: (1) Corporate Self-Innovation: Managing Chaos and Creation (Takeuchi et al., Chuo Koron-sha, 1986, in Japanese); (2) Managing Heterogeneity: The Path to Global Management (Takeuchi and Yoko Ishikura, Diamond-sha, 1994, in Japanese); (3) The Knowledge Creating Company (Ikujiro Nonaka and Takeuchi, Oxford University Press, 1995), which won the 1995 “Best New Book of the Year” Award for the Business and Management category by the Association of American Publishers; (4) Can Japan Compete? (M. Porter, H. Takeuchi, and M. Sakakibara, 2000, London: McMillan in English, and Diamond-sha in Japanese), and (5) Hitotsubashi on Knowledge Management (I. Nonaka and H. Takeuchi, John Wiley & Sons, 2004), and (6) Extreme Toyota (H. Takeuchi and N. Shimizu and E. Osono, John Wiley & Sons, 2008).
In addition, he has written over 30 articles for the Harvard Business Review, California Management Journal, Journal of Retailing, Japan Marketing Journal, Business Review, and other academic journals, and nearly 70 articles for business magazines.
His business experience includes management consulting work with McKinsey & Company in Tokyo and marketing research and account service work with McCann-Erikson in Tokyo and San Francisco. He is consultant to a number of multinationals and has been a frequent speaker at management conferences and seminars around the world.
He is a member of a number of committees formed by government agencies, the Ministry of International Trade and Industry in particular, and political organizations in Japan. In addition, he is a member of the planning board of the World Economic Forum.

Distinguished Professor, Keio University
Representative Director of Tsuruoka Science Park
Born in Tokyo in 1957. After graduating from the Faculty of Engineering at Keio University, he studied at Carnegie Mellon University in the United States, where he completed a master’s program (1983) and a doctoral program (1985) in the School of Computer Science. After that, he served as an Assistant Professor, Associate Professor, and Associate Director of the Center for Machine Translation at Carnegie Mellon University.
Since 1990, he has served as an Assistant Professor, Professor, and Dean of Faculty of Environment and Information Studies, Keio University. Dr. Tomita has also served Director General of the Institute for Advanced Biosciences, Keio University.
Major prizes awarded include Presidential Young Investigators Award from National Science Foundation of USA (1988), Shared University Research Award from IBM Corporation (2003), Minister of Science and Technology Award (2007), International Society of Metabolomics Lifetime Achievement Award (2009), Yamagata Prefecture Special Achievement Award (2017), 68th Kahoku Bunka Prize (2019), 5th Bioindustry Award Grand Prize (2021), and 27th Momofuku Ando Award Grand Prize (2023).

Masaaki Kushida was elected Corporate Auditor of Integral Corporation in March 2008 at its Shareholders’ Meeting. Prior to taking office at Integral, he had been Senior Corporate Auditor of Yokohama Rubber Company (YRC) for 7 years. During the time, his focus of interest ranged from “Corporate Governance”, “Compliance”, “Internal Control System” to ”Disclosure of Corporate Information” .
Masaaki Kushida began his career at the Industrial Bank of Japan in 1966, where he worked for diverse departments including Human Resources Dept., Project Appraisal Dept., Loan Dept., International Business Dept. with assignments at the London Branch and Securities Dept. After 30 years of various business experiences with IBJ, He served as the Director at YRC in charge of Purchase Dept., International Planning Dept., Planning Dept. of Non-tire-business Division for 5 years. He also experienced the positions of Chairman and CEO of subsidiaries in USA.
Masaaki Kushida graduated from the University of Tokyo, where he majored in Law.He holds the title of “Registered Management Consultant” with the Ministry of Economy, Trade and Industry.

CPA, The office Mitsuhashi
Representative Director, Sustainable Value Advisory Co., Ltd.

Attorney at law, partner of Gaien Partners (2020-)

Chuo University, LL.B.
1985 Apr The Long-Term Credit Bank of Japan
1998 Jun LTCB Warburg Securities Ltd.
1998 Sep Morgan Stanley Japan Ltd. : Vice President
1999 Dec Morgan Stanley Japan Ltd. : Executive Director
2002 Dec Morgan Stanley Japan Ltd. : Managing Director
Investment Banking Business Unit
Head of General Industries Group
2010 May Mitsubishi UFJ Morgan Staley Securities Co., Ltd.
2015 Mar Mitsubishi UFJ Morgan Staley Securities Co., Ltd. : Senior Advisor
Investment Banking Business Unit
2015 Sep UBS Securities Japan Co., Ltd. : Vice Chairman
Corporate Client Solutions
2021 Apr UBS Securities Japan Co., Ltd. : Chairman
Global Banking

BA Commercial Science, Keio University
Harvard Business School (GMP)
Yasunari Katakura has been involved in the private equity business since 2003. At Nikko Principal Investments, he has participated in all aspects of transaction including, due diligence, structuring, financing and negotiation at the investment consideration to the companies of retail, service and manufacturing industry. He got engaged in the going private process including take over bid and squeeze out, and had an involvement in a lot of acquisition deals, regardless of the private or public companies. And then, he had engaged in the investment banking business since 2007. At J.P.Morgan, he worked on the planning of financial solution for clients and the M&A advisory service.
Jan. 2008 Integral Corporation

Atsuho Ikeda joined Integral Corporation in July 2016.
Prior to joining Integral Corporation, he was engaged in statutory auditing and internal control auditing as well as finance transformation services such as improvement of budget control and cost management for Logistics, Automobile & Assembly and Trading companies at Ernst & Young ShinNihon LLC.
Atsuho Ikeda holds an MBA from IESE Business School and a B.A. in Agriculture from Kyoto University. He is qualified and active as a Certified Public Accountant.

Hiraku Tsuzuki joined Integral Corporation in January 2015. Prior to joining Integral Corporation, He engaged in management consulting at Deloitte Tohmatsu Consulting from 2008, where he engaged in and led various projects from strategy to Post Merger Integration (PMI), Sales Force Reorganization, Business Process Improvement and etc, for the clients in pharmaceutical, beverage, entertainment, electronics and other industries.
Hiraku Tsuzuki holds an MBA from HKUST Business School and a B.A. in Law from the University of Tokyo.

Takamichi Kishi graduated from Keio University, where he majored in Commercial science.He joined KPMG AZSA & Co. in 2005, where he provided audit services, internal control audit services,Due Diligence services and restructuring services.
He joined Integral Corporation in November 2011. He is a Japanese CPA.

Tatsuya Watanabe has over 20 years of experience of investment banking, in particular ECM including IPOs for small to mid cap companies to attract domestic and global institutional growth capital.

University of Nevada, Reno(B.S. in Mathematics)
The Graduate School of Information Science and Technology, the University of Tokyo. (M.S. in IST)
Joined a U.S. semiconductor manufacturer in 1997 as a microprocessor architecture software optimization application engineer. Development support for network processor applications using low-level language with multi core architecture and mixture of parallel and serial packet processing. Additionally supported the architecture and software development of a wide range of computing systems, including PCs, network equipment devices, media processing equipment, automotive systems, robotics, and general embedded board products.
In 2021, contributed to flying more than 1800 drones over the skies of Tokyo during a global sports event.
From 2022 to 2024, served as a Principal Engineer leading a data center cloud technology team, providing technical support across the Asia-Pacific region.
Joined Integral Corporation in March 2025.

Yuji Yashiro joined Integral Corporation in February 2018.
Prior to joining Integral Corporation, he worked for GCA Corporation from 2011. He was engaged in M&A advisory service in various sectors such as industrial, construction and consumer, and involved in many cross border deals.
In 2015, he was stationed in Mumbai, India supporting new investments and business expansion for Japanese corporations.
He holds a B.A in Economics from Kyoto University.

Munehiro Nomura joined Integral Corporation in October 2022.
Prior to joining Integral, he was with SoftBank Investment Advisers (SoftBank Vision Fund) where he was involved in tech-driven growth equity for the Japan opportunities.
He was also previously a member of Integral and an investment banker at Mizuho Securities for the financial sponsor and a telecom conglomerate, where he focused on M&A and financing advisory.
Munehiro Nomura graduated from the University of Tokyo with a BS and MS in Aeronautics and Astronautics. He received his MBA from MIT Sloan School of Management.

Makoto Ishimine joined Integral Corporation in March 2021.
Prior to joining Integral Corporation, he worked at Marunouchi Capital and was involved in all aspects of private equity investment process including deal origination, due diligence, transaction execution and post-investment portfolio management.
Before joining Marunouchi Capital, he worked in merchant banking department of Mitsubishi Corporation.
From 2014, he was seconded to One Rock Capital Partners, LLC, a New York based private equity firm, and involved with various mid-cap M&A deals in North America.
He started his career at Mitsubishi Corporation in 2010 and was in charge of supporting real estate fund management companies such as Diamond Realty Management Inc. and Mitsubishi Corp.-UBS Realty Inc. as well as managing and monitoring fund portfolios in Asian real estate.
Makoto Ishimine holds a B.A. in Commerce and Management from Hitotsubashi University

From 2001, he spent 18 years at various global consulting firms, supporting the revitalization and growth of numerous clients. He is skilled in on-the-ground support for international business startups, corporate restructuring, as well as the planning and execution of management and governance for subsidiaries acquired through cross-border M&A.
As a Partner responsible for the cross-border M&A practice at Deloitte Tohmatsu Consulting, he provided full-spectrum support for M&A strategy development, execution, and post-merger integration (PMI).
In 2019, he joined Toridoll Holdings. As Executive Vice President and COO of the group, he overseed both overseas business operations and the overall management of the domestic and international group.
In overseas operations, he formulated global expansion strategies and established the headquarter’s international business team. Leading the company’s growth across 10 brands in 30 countries, he promoted leadership in each country, driving expansion. Through active brand development and strategic use of M&A, he contributed to a threefold increase in overseas sales (approximately reaching 100 billion yen) during his tenure.
Additionally, as Vice President of the Holding Company, he played a key role in transforming the group into a global brand portfolio management entity. He led initiatives such as defining the group’s purpose, vision, and mission, promoting globalization of holding company functions and team structures, evolving the group’s management/ governance model, and implementing a human capital management model with a focus on “people” at the core of store operations. These efforts led to long-term improvements in customer satisfaction, employee happiness, and corporate value.
He holds MBA(Global Executive MBA)from University of California Los Angeles and National University of Singapore, and a B.A in Economics from Keio University

Prior to joining Integral Corporation in October 2017, Toshiyuki Koga worked as a Project Leader at The Boston Consulting Group and Roland Berger in the Tokyo office on turnaround / structural reform, business development strategy and go-to-market strategy in overseas (especially China and South-East Asia) for Technology and Automotive industries. Prior to joining Roland Berger, he worked at ArmorGroup, the defense firm headquartered in London, where he engaged in counter-terrorist services in Middle East and Africa.
He holds a Bachelor of electrical and electronic engineering at Kyoto University.

Tomohisa Shibata joined Integral Corporation in January 2018.
Prior to joining Integral Corporation, he worked for Mizuho Securities and was engaged in financial advisory business in various industries such as healthcare or food from 2015, corporate and investment banking in healthcare and consumer sectors as well as asset acquisition from RBS in New York from 2013, and due diligence for public offering of capital market products from 2011.
He holds a Bachelor’s Degree and a Master’s Degree in Science and Engineering at Waseda University, and Certified Public Accountant in the US.

Daisuke Ito joined Integral Corporation in July 2018. Prior to joining Integral Corporation, He was engaged in a financial advisory business at Deloitte where he advised cross-border M&A transactions in various industries, focusing on valuation and financial modeling.
Before joining Deloitte in 2013, Daisuke worked at Japan International Cooperation Agency (JICA), the bilateral development bank under the Government of Japan, in which he was engaged in infrastructure finance and macroeconomic study in emerging markets.
Daisuke holds a MBA from the Yale School of Management and a B.A. in Economics from the University of Tokyo.

Yosuke Horiuchi joined Integral Corporation in December 2017.
Prior to joining Integral Corporation, he was a strategy consultant at Accenture. He was mainly engaged in global management transformation, mid-term business strategy planning, supply chain management restructuring for communication & electronics industries.
Yosuke Horiuchi holds a Bachelor’s Degree and a Master’s Degree in Information & Computer Science from Keio University.

Ryuhei Kondo joined Integral Corporation in June 2020.
Prior to joining Integral Corporation, he worked at FUJIFILM Corporation where he was engaged in M&A, post merger integration, startup investment and business development in medical device, regenerative medicine and semiconductor industries.
He received an MBA from the University of Chicago Booth School of Business and a Bachelor of Business and Commerce from Keio University. He is a Certified Public Accountant in the US.

Jun Kabeya joined Integral Corporation in June 2021.
Prior to joining Integral Corporation, he worked at J-Will Partners where he engaged in corporate investment execution. Before joining J-Will Partners in 2018, he worked at Mitsui & Co, in which he engaged in subsidiaries monitoring, precious metals trading and aircraft finance.
He holds a B.A. in Economics from Hitotsubashi University.

Akimasa Kimoto joined Integral Corporation in April 2020. Prior to joining Integral Corporation, Mr. Kimoto was engaged in M&A advisory services at Daiwa Securities where he advised on dozens of cross-border and domestic transactions in various industries, including financial services, media & telecoms, technology, consumer & retail.
He holds a B.A in Economics from Doshisha University.

Takuya Shimamoto joined Integral Corporation in July 2020.
Prior to joining Integral Corporation, Mr. Shimamoto was an associate at Nomura Securities where he focused on M&A advisory services in retail, real estate and FIG sectors.
He holds a M.S. in Engineering from the University of Tokyo.

Koji Horiguchi joined Integral Corporation in January 2023.
Prior to joining Integral Corporation, he engaged in financial advisory business at Mizuho Securities from 2012 where he specialized in arranging structured finance and M&A advisory services in the TMT sector.
He holds an LL.B. from the University of Tokyo, an LL.M. from the University of Pennsylvania Carey Law School and was admitted to the New York State Bar.

Junki Inoue joined Integral Corporation in June 2020.
Prior to joining Integral Corporation, he worked at Sumitomo Corporation where he primarily engaged in investment, PMI, and new business development in the leasing and financial sectors.
He holds a B.A. in Law from Keio University.

Keisuke Tanabe joined Integral Corporation in July 2020.
Prior to joining Integral Corporation, he worked at Mitsui & Co, where he was engaged in venture capital fund management. Before joining Mitsui & Co, he was involved in enterprise / asset valuation and financial due diligence at PwC Advisory.
He holds an MBA from INSEAD and a Bachelor of Social Science from Hitotsubashi University, and is a Certified Public Accountant and a CFA charter holder.

Toshihisa Aoyagi joined Integral Corporation in September 2021.
Prior to joining Integral Corporation, he worked at Japan Bank for International Cooperation since 2012 where he held multiple roles, including sovereign risk analysis, provision of project finance towards energy infrastructure projects, and LP investments in private capital funds and portfolio management. From 2016 to 2018, he was seconded to the Ministry of Finance of Japan where he worked on formulating policies pertaining to multilateral development banks.
He holds an MBA from London Business School and a Bachelor of Economics from the University of Tokyo.

Rintaro Osaka joined Integral Corporation in September 2021.
Prior to joining Integral Corporation, he worked at Mitsubishi UFJ Research and Consulting (MURC), where he led various projects (mid-term business strategy planning, new business launch, Post Merger Integration (PMI) at a local subsidiary in Malaysia, etc.) for clients in Electrical, Automotive, Construction and other industries.
Before joining MURC, he was engaged in auditing, Internal control construction, and financial advisory such as IFRS introduction at KPMG AZSA LLC.
He holds a Bachelor of Economics from Gakushuin University. He is also a Certified Public Accountant.

Yasumi Kotaki joined Integral Corporation in April 2021.
Prior to joining Integral Corporation, he worked for Mizuho Bank from 2014, where he was engaged in corporate banking business in charge of large corporations in electronics an IT sectors. From 2017, he was engaged in the industry research covering telecom media & technology sectors, as well as various projects such as growth strategy planning, M&A origination, and open innovation for Japanese corporate clients.
Yasumi Kotaki holds a B.A. in Commerce and Management and an MBA from Hitotsubashi University.

Kazuki Shirasawa joined Integral Corporation in June 2022.
Prior to joining Integral Corporation, he was engaged in a financial advisory business at Frontier Management Inc. where he advised in various industries, including retail business, manufacturing and technology.
Before joining Frontier Management Inc. in 2019, he worked at Nissan Motor Corporation where he was engaged in product profitability management, and FP&A in MEA.
He holds a B.A. in Business and Commerce from Keio University and a MBA from Kyoto University.

Ryohei Wakimoto joined Integral Corporation in August 2022.
Prior to joining Integral Corporation, he worked at Investment Banking Division of Nomura Securities in which he provided both M&A advisory and financial solution services in general industries sector from 2016. Before joining Investment Banking Division, he engaged in wealth management services from 2013.
He holds a B.A. in Economics from Hitotsubashi University.

Prior to joining Integral Corporation in August 2021, Narune Nakayama worked for the Ministry of Finance of Japan as a government officer since 2011. He engaged in various fields such as tax system research, tax investigation, government bond issuance, debt management, and Fiscal Investment and Loan Program (FILP). After studying at Tsinghua University PBC School of Finance in China and at INSEAD in France, he was seconded to Kameoka City in Kyoto Prefecture, where he was responsible for a wide range of policy areas as Vice Mayor. After returning to the ministry, he was in charge of crisis management for risks such as earthquakes and financial instability, and also engaged in liaison and coordination of macroeconomic policies based on analysis of domestic and international political and economic situations.
He holds an MBA from INSEAD and a B.A. in Law from the University of Tokyo.

Masaki Yamashita joined Integral Corporation in February 2023. Prior to joining Integral Corporation, He was involved in venture investment at a venture capital fund. Before joining the venture capital fund, he worked at Boston Consulting Group(BCG) as a management consultant. He was mainly engaged in M&A related projects(Business Due Diligence, PMI) and also a wide variety of projects such as new business development, mid-term strategy planning and business process optimization. Prior to Joining BCG, He worked at Mitsubishi Corporation where he was in charge of the finance and accounting area(e.g. global M&A, consolidated financial closing, budget management) of grain business. He holds an MBA from INSEAD and a B.A. in Economics from the University of Tokyo.

Naoki Sakakida joined Integral Corporation in October 2023.
Prior to joining Integral Corporation, he worked as a management consultant at Boston Consulting Group(BCG) on a wide range of projects such as mid-term strategy / alliance strategy / new business strategy / company-wide transformation incl. DX, and business process optimization for government, domestic and overseas financial institutions, healthcare and trading companies.Prior to joining BCG, he worked at Ernst & Young and was part of the Strategy team, helping companies in manufacturing / food service and confectionery / education mainly with turnaround, M&A and overseas expansion.
He holds a Bachelor of Law at Keio University.

Ryo Satake joined Integral Corporation in January 2023.
Prior to joining Integral Corporation, he worked at Itochu Corporation where he primarily engaged in monitoring affiliate companies and new business development in the automotive sector. When he was transferred to affiliate companies in Japan and Vietnam, he was in charge of making business plans in the corporate planning department.
He received a Bachelor of Business and Commerce from Keio University.

Yukimasa Moriya joined Integral Corporation in July 2023.
Prior to joining Integral Corporation, he worked at Unison Capital where he engaged in execution of new investment and management support under COVID situation for portfolio company. And then, became independent from the investment team and joined the portfolio company management team to focus on hands-on support under COVID. Before joining Unison Capital, he worked at Roland Berger, in which he engaged in BDD for Private Equity fund and mid-term strategy planning with execution for manufacturing company.
He holds a Bachelor’s Degree and a Master’s Degree in Science Engineering from Waseda University.

Hiroki Kobayashi joined Integral Corporation in April 2017.
Prior to joining Integral Corporation, he was a professional soccer player at Kitsap Pumas SC in Washington, US. He also was a player and an officer in corporate planning division for Fujieda MYFC, a professional soccer team in J-League 3.
Hiroki Kobayashi holds a Bachelor’s Degree in Applied Mathematics in Statistics from Harvard College.

Kouki Kobashi joined Integral Corporation in July 2023.
Prior to joining Integral Corporation, he worked for Sumitomo Mitsui Financial Group and Sumitomo Mitsui Banking Corporation (SMBC) Americas Division, and engaged in strategic planning. Before that, he worked for SMBC Nikko Securities from 2016, where he was engaged in M&A advisory and financial solution services in FIG sector. Prior to joining SMBC Nikko Securities, he worked at SMBC and engaged in SME financing.
He holds a B.A. in Law from the University of Tokyo.

Hidenori Miyamoto joined Integral Corporation in August 2023.
Prior to joining Integral Corporation, he was a strategy consultant at Industrial Growth Platform, Inc. He was mainly engaged in strategy planning in various industries such as infrastructure, real estate, renewable energy, or food & beverage industries as well as principal investment in PFI projects for domestic airports, and turn-around management for a local conglomerate company, from 2015.
He holds an MBA from London Business School, and a Bachelor and a Master of Micro Engineering from Kyoto University.

Shiori Nihei joined Integral Corporation in September 2022.
Prior to joining Integral Corporation, she was a lawyer at Oh-ebashi LPC & Partners. As a lawyer, she mainly dealt with business reorganization cases and M&A cases.
She holds a bachelor’s degree and a juris doctor’s degree from Kyoto University.

Ryotaro Matsui joined Integral Corporation in January 2024.
Prior to joining Integral Corporation, he was a Senior Associate at Nomura Securities where he focused on M&A advisory services in IT, electronics, retail and service sectors.
He holds a B.A. in Commerce from Waseda University.

Ken Maeda joined Integral Corporation in July 2024.
Prior to joining Integral Corporation, he worked at Marunouchi Capital where he engaged in private equity investments. Before joining Marunouchi Capital, he worked in merchant banking department of Mitsubishi Corporation.
He holds a B.A. in Law from Keio University.

Yusuke Aikawa joined Integral Corporation in January 2024.
Prior to joining Integral Corporation, he worked at Greenhill & Co. from 2021.
He was engaged in M&A advisory service in various sectors such as healthcare, human resources and chemical, and involved in many cross border deals.
Prior to joining Greenhill & Co., he primarily engaged in portfolio company management and new business development including M&A at Mitsubishi Corporation from 2018.
He received a Bachelor of Arts in Human Relations from Keio University.

Shunsuke Toriya joined Integral Corporation in April 2024.
Prior to joining Integral Corporation, he worked at Itochu Corporation where he primarily engaged in investment, managing related companies, and new business development in Metal & Mineral Resources and Information Technology sectors. When he was seconded to the related company, he was also in charge of new business development and business promotion.
He received a Bachelor of Business and Commerce from Keio University.

Yuan Gao joined Integral Corporation in January 2025. Prior to joining Integral Corporation, he was involved in digital transformation project management for the construction industry at a construction tech startup. Before joining the startup, he worked at Sumitomo Corporation where he was mainly engaged in overseas subsidiary support and M&A activities in the construction machinery business. He holds an MBA from INSEAD and a B.A. in International Social Sciences from the University of Tsukuba.

Takeshi Suita joined Integral Corporation in June 2023. Prior to Integral Corporation, he was engaged in M&A advisory services in various domestic and cross-border M&A transactions at PwC Advisory. Before joining PwC, he was with Deloitte, where he was involved in statutory audit, internal control audit, IPO advisory service, and Financial DD.
He received an MBA from the Ross School of Business at the University of Michigan, a B.A. in Environmental Information from Keio University, and is a Certified Public Accountant.

Taro Tanaka joined Integral Corporation in April 2025.
Prior to joining Integral Corporation, he worked at Nomura Securities where he engaged in M&A advisory services in various sectors, including Real Estate, Financial and General Industries. Before joining Nomura Securities, he worked at Mitsubishi Corporation.
He holds a B.A. in Commerce from Waseda University.

Yu Sato joined Integral Corporation in April 2025.
Prior to that, he worked at KPMG FAS, where he engaged in M&A advisory services, including deal execution, valuation, and financial modeling for both domestic and cross-border transactions. Before joining KPMG FAS, he worked at Deloitte Touche Tohmatsu LLC, engaging in statutory and internal control audits. Earlier in his career at Deloitte Touche Tohmatsu LLC, he served as a retail sales representative at The 77 Bank, Ltd.
He holds a B.A. in Commerce from Chuo University and is also a Certified Public Accountant.

Kento Matsuzaki joined Integral Corporation in May 2025.
Prior to joining Integral Corporation, he worked at Houlihan Lokey (previously GCA) where he engaged in M&A advisory services in various sectors, including food & beverage, retail, foodservice and apparel industries.
Before joining Houlihan Lokey, he was investment analyst covering food & beverage industry at Sumitomo Mitsui DS Asset Management Company (previously Daiwa SB Investments).
He holds a B.A. in Economics from Keio University.

Sotaro Tokimasa joined Integral Corporation in May 2025.
He began his career at Mitsui & Co. in 2017, engaging in subsidiary management and research for new investment opportunities in the Mobility business sector. From 2021, he was seconded to a leasing company in Brazil, where he structured long-term finance-lease projects and launched new businesses. From 2023, he was seconded to a logistics subsidiary in Brazil serving as a Director overseeing overall business operations.
He holds a B.A in Law from Keio University.

Tsuyoshi Endo joined Integral Corporation in July 2025. Prior to that, he was involved in M&A advisory and private equity investments at Mitsubishi Corporation. In 2023, he was seconded to One Rock Capital Partners, LLC, a New York-based private equity firm, where he worked on a variety of mid-cap M&A transactions across North America and Europe.
He holds a B.A. in International Liberal Studies from Waseda University

Yasunobu Shiji joined Integral Corporation in July 2025.
Prior to joining Integral Corporation, he was a Vice President in Corporate Planning Division at Mitsubishi UFJ Financial Group and MUFG Bank. He was mainly engaged in the corporate culture transformation project. Before that, he worked at MUFG Bank New Delhi Branch in India and worked on strategic planning.
He holds an MBA from IESE Business School, and a B.A. in Environment and Information Studies from Keio University.

Prior to joining Integral, he was with Mizuho Securities, where he was responsible for financial sponsor coverage, including the origination and execution of M&As as well as IPOs for private equity clients.
Earlier in his career, he held positions at the Norinchukin Bank, serving as a loan officer and risk manager at both the Tokyo head office and the London branch.
He received an MBA from Columbia Business School and a Bachelor of Business and Commerce from Doshisha University.

Yuta Ohashi joined Integral Corporation in November 2025.
Prior to that, he was involved in new business development and business investment in the materials sector at Mitsubishi Corporation. He established a subsidiary and served as its President, and was also seconded to a joint venture to support its growth strategy implementation.
He holds a Bachelor's degree from the Faculty and a Master's degree from the Graduate School of Engineering at Kyoto University.

Gaku Akai joined Integral Corporation in November 2024.
Prior to joining Integral Corporation, he worked at Houlihan Lokey (previously GCA) from 2020. He was engaged in M&A advisory service in various sectors such as Industrial and technology.
He holds a B.A in Economics from Kyoto University.

Akane Atsuta joined Integral Corporation in July 2025.
Prior to joining Integral Corporation, she worked at Houlihan Lokey (previously GCA) from 2020.
She was engaged in M&A advisory service in various sectors including consumer & retail and healthcare.

Prior to joining Integral Corporation in August 2025, Michi Kakebayashi served at Japan’s Ministry of Finance since 2016. She was engaged in the amendment of corporate tax legislation and conducting tax audits at the Regional Taxation Bureau. Subsequently, she led overseas expansion initiatives for broadcasting companies and supervised telecommunications operators at the Ministry of Internal Affairs and Communications. After studying at the University of California, Berkeley, she worked on planning and drafting multiple bills such as the Act on the Promotion of Cash Flow-Based Lending at the Financial Services Agency, while concurrently serving as a Visiting Scholar at the International Monetary Fund (IMF).
She holds a Master of Public Policy (MPP) from the University of California, Berkeley and a B.A. in Liberal Arts from the University of Tokyo.
 

Naoki Kubota joined Integral Corporation in December 2025.
Prior to joining Integral Corporation, he worked at SMBC Nikko Securities from 2020.
He was engaged in M&A advisory service in various sectors including technology, consumer, and healthcare.