Monex Group Inc - Company Profile
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The following section provides information on Monex Group Inc’s senior management, executives, CEO and key decision makers and their roles in the organization. For more insight into Monex Group Inc's management and employees, unlock the full data with our company analytics monitoring tool.
Executives
Oki Matsumoto
Chairman Executive BoardMr. Oki Matsumoto has been the Chairman, and Representative Executive Officer of the company since 2022. Currently, he serves as the Chairman of TradeStation Group, Inc and Coincheck, Inc and as a Director at Mastercard Inc. Previously, he served as Financial Counsel to the Prime Minister and as a Director of Tokyo Stock Exchange between June 2008 and 2013.
Yuko Seimei
Chief Executive Officer; Director; Executive Officer Executive BoardMs. Yuko Seimei has been the Chief Executive Officer, and Representative Executive Officer of the group since June 2023. She also serves as a Director of the group. Previously, she served as the Co-Chief Executive Officer and Chief Financial Officer of the group from 2020 to 2021. Prior to this, she served as the Chief Operating Officer and Executive Officer of the group. She also served as a Representative Director of Monex Hambrecht, Inc.
Takashi Oyagi
Chief Financial Officer; Director; Executive Officer Executive BoardMs. Takashi Oyagi has been the Chief Financial Officer, Executive Officer, and Director of the group since April 2023. He also serves as the Chairman of 3iQ Digital Holdings Inc, and Managing Director, Monex Asset Management, Inc. Previously, he served as the Chief Executive Officer, and President of the MBH America. She also worked for Deutsche Bank Securities Inc.
Masaki Nishioka
Director; Chief Information Officer Executive BoardMr. Masaki Nishioka has been the Chief Information Officer and Executive Director of the company since 2026.
Rami Suzuki
Director Non Executive BoardMs. Rami Suzuki has been a Director of the group since June 2024. Previously, she served as a Managing Director of ARCHIMED Group. Prior to this, she served as a Director of Spera Pharma, Inc. She also served as the Chief Executive Officer of Ferring Pharmaceuticals Co Ltd.
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