Member of the Board

Managing Director & Chairman<br/>Oki Matsumoto

Chairman, Member of the Board

Oki Matsumoto

 

Began his career at Salomon Brothers and joined Goldman Sachs in 1990, and became General Partner in 1994 at the age of 30, the youngest ever at that time. He took charge of trading, risk management, capital markets businesses in Asia, and also founded the special situations unit at Goldman. In 1999, he founded Monex which was jointly capitalized with Sony. Monex is listed on the 1st section of Tokyo Stock Exchange where he is presently Chairman & CEO.

 

Monex Group is a major online financial institution that operates retail online brokerages in Japan, US, China (including Hong Kong), and Australia. Monex acquired Coincheck in 2018, and the crypto-asset business became one of the core pillars of the business segments. In 2020, Monex established Japan Catalyst, an investment advisory arm, to pursue investment returns through engagement with listed companies to stimulate Japanese capital markets. The group has about 1100 employees worldwide with over half of its staffs located in the United States and Central America.

 

He served as Financial Counsel to the Prime Minister and also as outside directors of several companies including Tokyo Stock Exchange from June 2008 to 2013. He presently is an outside director of Mastercard, Incorporated and also a Vice Chair of Human Rights Watch.

 

Important concurrent positions at other organization

 

- Managing Director & Chairman, Monex, Inc. (the Company’s wholly owned subsidiary)

- Chairman of the Board of Directors, TradeStation Group, Inc. (the Company’s wholly owned subsidiary)

- Chairman, Coincheck, Inc. (the Company’s subsidiary)

- Outside Director, Mastercard Incorporated

Member of the Board

Yuko Seimei

 

Yuko Seimei started her career at the Sanwa Bank, Ltd. (currently MUFG Bank, Ltd.) in April 2001. She moved to MKS Partners Ltd in December 2006. She joined Monex Hambrecht, Inc. in February 2009 (merged with Monex, Inc. in 2017) and became Representative Director of Monex Hambrecht, Inc. in June 2011. She became Executive Director of Monex Group, Inc. in March 2013, Executive Officer of Monex Group, Inc. in February 2016, and the    Representative Director and President of Monex, Inc.in February 2019. She was appointed Representative Executive Officer and Chief Operating Officer of Monex Group, Inc. in January 2020 and Representative Executive Officer, Chief Operating Officer and Chief Financial Officer of Monex Group, Inc. in January 2021. She has served as a Member of the board, Representative Executive Officer, Chief Operating Officer and Chief Financial Officer of Monex Group, Inc. since June 2021.

 

Important concurrent positions at other organization

 

Representative Director & President, Monex, Inc.

Director, TradeStation Group, Inc.

Managing Director & Vice Chairman<br/>Shoji Kuwashima

Vice Chairman, Member of the Board

Shoji Kuwashima

 

Shoji Kuwashima joined Nikko Securities Co., Ltd. in April 1977. He became a member of the Board of Directors of Nikko Cordial Corporation in October 2001 and was in charge of the group's technology department. Kuwashima was promoted to its Representative Director and President in December 2006, assumed the post of its Vice-Chairman in January 2008 and then retired from his position in December 2008. He served as a part-time Director of the Company from June to December in 2006. Kuwashima assumed the post of Managing Director of the Company in June 2009 and became Managing Director and Vice Chairman in February 2011.

 

Important concurrent positions at other organization

 

- Managing Director, Coincheck, Inc. (the Company’s subsidiary)

Managing Director<br/>Takashi Oyagi

Member of the Board

Takashi Oyagi

 

Takashi Oyagi started his career at the Bank of Japan in April 1991. After receiving an MBA from the University of Chicago’s Graduate School of Business, he joined Goldman Sachs (Japan) Ltd. In April 1999, he joined (the former) Monex, Inc. as one of the four founding members. Oyagi joined Deutsche Bank Securities, Inc. in New York in May 2004.
 

In August 2007, he became CEO and President of MBH America, Inc., the Company’s U.S. subsidiary, upon its establishment. He was appointed Executive Director of the Company in July 2009 and implemented business developments in Beijing and Hong Kong. He assumed his current position as Chief Strategic Officer in February 2011 and became a Member of the Board of Directors in June 2011. Oyagi concurrently serves as a Chief Strategic Officer and Director for TradeStation Group, Inc., the Company’s U.S. subsidiary.

 

Important concurrent positions at other organization

 

- Director and Chief Strategic Officer, TradeStation Group, Inc. (the Company’s wholly owned subsidiary)

Independent Director,

Member of the Board 
(Lead Independent Director) 

Jun Makihara

 

Jun Makihara joined Goldman Sachs Co., Ltd. in September 1981 and was named a General Partner of Goldman Sachs & Co. in December 1992. He was Co-Head of Investment Banking of its Tokyo Branch, and then became the Co-Branch Manager and Co-Head of Equity Business at the same before he was nominated as Chairman of Neoteny Co., Ltd. in July 2000. Makihara assumed his current position at the Company in June 2006.

 

Important concurrent positions at other organization

 

- Director, TradeStation Group, Inc. (the Company’s wholly owned subsidiary)  

   (Outside Director in substance)

- Outside Director, Shinsei Bank, Limited

- Outside Director, Philip Morris International Inc.

Independent Director,

Member of the Board

Nobuyuki Idei

Founder, Representative Director and Chairman, Quantum Leaps Corporation

 

Nobuyuki Idei joined Sony Corporation in April 1960. At Sony Corporation, he was appointed President and Representative Director in April 1995, Chairman and Representative Director in June 2000, and then Chairman and Representative Executive Officer in June 2003. In April 2006, Idei founded Quantum Leaps Corp. and became its Representative Director, CEO. He assumed his current position in the Company as its Director since June 2013.

 

Important concurrent positions at other organization

 

- Founder, Representative Director and Chairman, Quantum Leaps Corporation

- Outside Director, FreeBit Co., Ltd.

Independent Director,

Member of the Board

Fujiyo Ishiguro
Director,Chief Evangelist, Netyear Group Corporation

 

Fujiyo Ishiguro joined BROTHER INDUSTRIES, LTD. in January 1981. After she worked for Swarovski Japan K.K,, she established Alphametrics, Inc., a consulting firm in Silicon Valley, in September 1994 and assumed the position as its president. She was named a Director of Netyear Group, Inc. in the U.S.A. in January 1999 and assumed the position of Director of Netyear Group Corporation in Japan in July 1999. She has been the Representative Director and President of Netyear Group Corporation since May 2000. She assumed her current position as Director of the Company in June 2014.

 

Important concurrent positions at other organization

 

- Director,Chief Evangelist, Netyear Group, Inc.

- Outside Director, Sompo Japan Insurance Inc.

Independent Director,

Member of the Board

Nobuo Domae
President & Representative Director, Ryohin Keikaku Co., Ltd.

 

Nobuo Domae joined McKinsey & Co., Inc. (Japan) in April 1993. After joining FAST RETAILING CO., LTD. in September 1998, he was named Director and Executive Vice President in November 2004, and then Executive Vice President in November 2008. He also assumed positions of President of FAST RETAILING FRANCE S.A.S. and CEO of FAST RETAILING USA, Inc. He assumed his current position as Director of the Company in June 2016.

 

Important concurrent positions at other organization

 

President & Representative Director, Ryohin Keikaku Co., Ltd.

Independent Director,

Member of the Board

Masaaki Koizumi

Certified Public Accountant , KOIZUMI C.P.A. OFFICE

 

Masaaki Koizumi has been registered as Certified Public Accountant since August 1991.  He established KOIZUMI C.P.A. OFFICE  in October 2003.  He was appointed as Director of the Company in June 2018.

 

Important concurrent positions at other organization

 

- Certified Public Accountant , KOIZUMI C.P.A. OFFICE

- Outside Statutory Auditor, K.R.S. Corporation

- Director CSO, TSUKUI HOLDINGS CORPORATION

Independent Director,

Member of the Board

Shiho Konno

Attorney-at-law, Shiho Konno Habataki Law Office

 

Shiho Konnno was registered as a Lawyer in April 1991 and established Konno Habataki Law Office in March 2015.  She assumed her current position as Director of the Company in June 2018.

 

Important concurrent positions at other organization

 

- Attorney-at-law, Shiho Konno Habataki Law Office

- Outside Audit & Supervisory Board Member, Shinsei Bank, Limited

- Outside Director,  LIXIL Corporation

Independent Director,

Member of the Board

Naofumi Yamada

Patent Attorney, Socidea Intellectual Property Office

 

Naofumi Yamada joined Socidea Intellectual Property Office in June 2011. He founded AppReSearch Inc. (Currently PKSHA Technology Inc.) in October 2012 and became its Representative Director. He became Director and Chief Technology Officer (CTO) of PKSHA Technology Inc. in June 2016, Director of BEDORE Inc. in October 2016 (current position) and Representative Director of PKSHA xOps Inc. in September 2019. He assumed his current position at the Company in June 2021.

 

Important concurrent positions at other organization

 

- Patent Attorney, Socidea Intellectual Property Office

- Director, BEDORE Corporation

Three Committees

Nominating Committee

Chair

Nobuyuki Idei

Independent Director,

Member of the Board

Member

Fujiyo Ishiguro

Independent Director,

Member of the Board

Member

Nobuo Domae

Independent Director,

Member of the Board

Member

Jun Makihara

Independent Director,

Member of the Board

Member

Naofumi Yamada

Independent Director,

Member of the Board

Member

Oki Matsumoto

Representative Executive Officer & Chief Executive Officer,

Chairman, Member of the Board

Compensation Committee

Chair

Jun Makihara

Independent Director,

Member of the Board

Member

Nobuyuki Idei

Independent Director,

Member of the Board

Member

Nobuo Domae

Independent Director,

Member of the Board

Member

Oki Matsumoto

Representative Executive Officer & Chief Executive Officer,

Chairman, Member of the Board

Audit Committee

Chair

Masaaki Koizumi

Independent Director,

Member of the Board

Member

Shiho Konno

Independent Director,

Member of the Board

Member

Naofumi Yamada

Independent Director,

Member of the Board

 

 

Executive Managements

Executive Officers

Title

Name

Responsibilities

Representative Executive Officer

& Chief Executive Officer

Oki Matsumoto

- Overall Management

- Monex Zero

- Asset Management

Representative Executive Officer

Chief Operating Officer

Chief Financial Officer

Yuko Seimei

- Planning

- Financial Controls

- Japan Segment

- Investment Business

Executive Officer

Kiminori Kaneko

- Information Security

- Risk Management

Executive Officer

Chief Strategic Officer

Takashi Oyagi

- US Segment

Executive Officer

John Bartleman

- US Segment

Executive Officer

Chief Quality Officer

Shoji Kuwashima

- Quality Controls

- Crypto Asset Business

- Corporate Communications

- Crisis Management

Executive Officer

Chief Administrative Officer

General Counsel

Masayuki Okamoto

- Internal Controls

- Legal

Executive Officer

Katsuki Mandai

- Japan Segment

- Asia-Pacific Segment

Executive Officer

Takuya Yamanaka

- Human Resources

 

 

 

Executive Directors

Title

Name

Executive Director

Keiji Okamoto

Executive Director

Yo Nakagawa

Executive Director

Akira Inoue

Executive Director

Seiji Sakuma

Executive Director

Yuya Asamura

Executive Director

Naoyuki Kainuma

Executive Director

Hiroshi Aikawa

Executive Director

Seiichirou Wada

 

 

Expert Directors

Title

Name

Expert Director

Jesper Koll