Jan 2003: Joined Ltd. paperboy&co. (now GMO Pepabo, Inc.) Jan 2005: Head of President's Office, paperboy&co., Inc. (now GMO Pepabo, Inc.) Feb 2006: Director, Head of Business Planning Office, paperboy&co., Inc. (now GMO Pepabo, Inc.) Mar 2007: Director, Vice President, Head of Business Planning Office, paperboy&co., Inc. (now GMO Pepabo, Inc.) Mar 2008: Representative Director, Vice President, Head of Business Planning Office, paperboy&co., Inc. (now GMO Pepabo, Inc.) Mar 2009: Representative Director, President, paperboy&co., Inc. (now GMO Pepabo, Inc.) (current) Mar 2010: Director, GMO Internet, Inc. (now GMO Internet Group, Inc.) Jun 2012: Chairman of the Board, Booklog Inc. Mar 2014: Representative Director, President, Booklog Inc. Jun 2015: Director, OC Island Inc. Mar 2019: Chairman of the Board, GMO Creators Network, Inc. Mar 2022: Group Executive Officer, GMO Internet Group, Inc.

May 1991: Representative Director, Voice Media Inc. (now GMO Internet Group, Inc.) Sep 1999: Representative Director, Magcrick Inc. (now GMO Internet, Inc.) Apr 2000: Director, Magcrick Inc. (now GMO Internet, Inc.) Aug 2001: Representative Director, Chairman, Eyeil Inc. (now GMO GlobalSign Holdings K.K.) Feb 2002: Director, Ucast Communications Inc. (now GMO Media, Inc.) Apr 2002: Chairman of the Board, GMO Research Institute Inc. (now GMO Product Platform, Inc.) (current) Mar 2003: Representative Director, Chairman and President, Global Media Online Inc. (now GMO Internet Group, Inc.) Mar 2003: Chairman of the Board, Eyeil Inc. (now GMO GlobalSign Holdings K.K.) (current) Mar 2004: Chairman of the Board, paperboy&co., Inc. (now GMO Pepabo, Inc.) (current) Mar 2004: Chairman of the Board, GMO Mobile and Desktop Inc. (now GMO Media, Inc.) (current) Dec 2004: Chairman of the Board, Card Commerce Service Co., Ltd. (now GMO Payment Gateway, Inc.) Mar 2007: Chairman of the Board, Magcrick Inc. (now GMO Internet, Inc.) May 2008: Representative Director, Chairman and President, Group Representative, GMO Internet, Inc. (now GMO Internet Group, Inc.) Dec 2011: Director, Chairman and President, GMO Payment Gateway, Inc. Dec 2012: Chairman of the Board, GMO Payment Gateway, Inc. (current) Mar 2015: Director, GMO AdPartners, Inc. (now GMO Internet, Inc.) Mar 2016: Chairman of the Board, GMO AdPartners, Inc. (now GMO Internet, Inc.) (current) Mar 2022: Representative Director, Group Representative, Chairman and President, Executive Officer, CEO, GMO Internet, Inc. (now GMO Internet Group, Inc.) (current) Oct 2025: Chairman of the Board, GMOTECH Holdings Inc. (current)

Jun 2004: Joined Global Communications Co., Ltd. Jun 2005: Joined paperboy&co., Inc. (now GMO Pepabo, Inc.) Jan 2007: General Manager, Creative Hosting Business Division, paperboy&co., Inc. (now GMO Pepabo, Inc.) Nov 2011: Head of President's Office, paperboy&co., Inc. (now GMO Pepabo, Inc.) May 2012: General Manager, Business Development Division, paperboy&co., Inc. (now GMO Pepabo, Inc.) Jun 2012: Director, Booklog Inc. Jul 2013: General Manager, EC Business Division, paperboy&co., Inc. (now GMO Pepabo, Inc.) Mar 2014: Director, General Manager, EC Business Division, paperboy&co., Inc. (now GMO Pepabo, Inc.) Jun 2015: Director, OC Island Inc. Mar 2017: Managing Director, GMO Pepabo, Inc. Mar 2019: Director, GMO Creators Network, Inc. Oct 2019: Managing Director, General Manager, Hosting Business Division, GMO Pepabo, Inc. Mar 2020: Director, Vice President, General Manager, Hosting Business Division, GMO Pepabo, Inc. May 2021: Director, Vice President, General Manager, Hosting Business Division and minne Business Division, GMO Pepabo, Inc. Jul 2021: Director, Vice President, General Manager, minne Business Division, GMO Pepabo, Inc. Nov 2021: Director, Vice President, GMO Pepabo, Inc. Feb 2025: Director, Vice President, General Manager, SUZURI Business Division, GMO Pepabo, Inc. Aug 2025: Director, Vice President, Head of Corporate Design Office, GMO Pepabo, Inc. Nov 2025: Director, Vice President, General Manager, SUZURI and minne Business Division, GMO Pepabo, Inc. (current)

Apr 2001: Joined Kagoshima Prefecture Naze City Office (now Amami City Office) May 2008: Joined Hatena Co., Ltd. May 2012: Joined paperboy&co., Inc. (now GMO Pepabo, Inc.), Advanced Senior Feb 2013: Advanced Senior, Technology Infrastructure Team, paperboy&co., Inc. (now GMO Pepabo, Inc.) Aug 2014: Technology Officer, Management Strategy Division, GMO Pepabo, Inc. Jan 2015: General Manager, Technology Division, GMO Pepabo, Inc. Mar 2015: Executive Officer, CTO, GMO Pepabo, Inc. Mar 2017: Director, General Manager, Technology Division, GMO Pepabo, Inc. Mar 2018: Director, Head of Security Measures Office, GMO Pepabo, Inc. Jun 2019: Director, Head of CTO Office, GMO Pepabo, Inc. May 2021: Director, Head of CTO Office and Deputy General Manager, minne Business Division, GMO Pepabo, Inc. Nov 2021: Director, Head of CTO Office, GMO Pepabo, Inc. Mar 2022: Director, Head of CTO Office and Head of Pepabo 3 Promotion Office, GMO Pepabo, Inc. Nov 2022: Director, General Manager, Technology Division, Head of CTO Office and Head of Pepabo 3 Promotion Office, GMO Pepabo, Inc. Apr 2023: Director, Head of CTO Office and Head of Pepabo 4 Promotion Office, GMO Pepabo, Inc. Oct 2023: Director, Head of CTO Office and General Manager of Business Development Division, GMO Pepabo, Inc. (current)

May 2009: Joined paperboy&co., Inc. (now GMO Pepabo, Inc.) Apr 2012: Legal Team Leader, Management Administration Division, paperboy&co., Inc. (now GMO Pepabo, Inc.) Aug 2012: General Manager, Legal Division, Management Administration Division, paperboy&co., Inc. (now GMO Pepabo, Inc.) Jul 2013: Legal Group Manager, Corporate Division, paperboy&co., Inc. (now GMO Pepabo, Inc.) Mar 2016: General Manager, Management Administration Division, GMO Pepabo, Inc. Mar 2017: Director, General Manager, Management Administration Division, GMO Pepabo, Inc. (current) Mar 2019: Audit & Supervisory Board Member, GMO Creators Network, Inc. Jul 2023: Director, GMO Creators Network, Inc.

Dec 2004: Joined Deloitte Touche Tohmatsu LLC Oct 2011: Head of Yukio Sugino Certified Public Accountant Office Apr 2012: Joined Financial Agency Co., Ltd. Mar 2018: Joined GMO Pepabo, Inc., General Manager, Internal Audit Office Jul 2020: Deputy General Manager, Business Strategy Division, GMO Pepabo, Inc. Mar 2024: Executive Officer, General Manager, Business Strategy Division, GMO Pepabo, Inc. Mar 2026: Director, General Manager, Business Strategy Division and General Manager, HR Division, GMO Pepabo, Inc. (current)

May 2011: Joined Winlight Inc. Apr 2012: Joined paperboy&co., Inc. (now GMO Pepabo, Inc.) Dec 2016: Manager, Internal Audit Office, GMO Pepabo, Inc. Mar 2017: Director, Audit and Supervisory Committee Member, GMO Pepabo, Inc. (current) Apr 2019: Registered Certified Fraud Examiner (CFE) Jul 2023: Audit & Supervisory Board Member, GMO Creators Network, Inc.

Oct 2000: Registered as attorney-at-law (Daiichi Tokyo Bar Association) Oct 2000: Joined Tanabe Sogo Law Office Jun 2005: Joined Cast Itoga Law Corporation (now Uryu Itoga Law Corporation) Apr 2010: Part-time Lecturer, Rikkyo University Law School Apr 2011: Specialist Staff, Promotion of Understanding Business, Japan Sport Arbitration Agency (now Japan Sport Arbitration Agency, Public Interest Incorporated Foundation) Apr 2012: Part-time Lecturer, Sophia University Graduate School of Law, Legal Training Program (first semester only) (current) Jun 2012: Board Member, Inoue Ikuei Kai Foundation Sep 2014: Member, Bioethics Review Committee, Nikon Corporation (current) Apr 2015: Member, Japan Anti-Doping Disciplinary Panel, Japan Sport Council (current) Mar 2016: Outside Director, Audit and Supervisory Committee Member, GMO Pepabo, Inc. (current) Jun 2018: Director, Inoue Ikuei Kai Foundation (current) Apr 2019: Part-time Lecturer, Rikkyo University Law School (first semester only) Jun 2023: Director, Japan Sport Arbitration Agency, Public Interest Incorporated Foundation (current) Jan 2024: Registered as patent attorney

Oct 1992: Joined Arthur Andersen & Co. (now Azsa LLC) May 1997: Registered as Certified Public Accountant Aug 2002: Joined KPMG Consulting Co., Ltd. (now PwC Consulting LLC) Aug 2006: Established Forsense Partners Inc., Representative Director and Partner (current) Aug 2007: Executive Officer, HMV Japan K.K. (now Lawson Entertainment, Inc.) Jan 2008: Representative Director, HMV Japan K.K. (now Lawson Entertainment, Inc.) Sep 2011: Director, Managing Executive Officer, Lawson HMV Entertainment, Inc. (now Lawson Entertainment, Inc.) Mar 2013: Managing Director, Japan E-Commerce Consultants Association May 2014: Representative Director, Vice President, Koubo Guide Inc. (current) Mar 2015: Outside Audit & Supervisory Board Member, Beatrend Inc. Mar 2021: Outside Director, Audit and Supervisory Committee Member, GMO Pepabo, Inc. (current) Jul 2021: Representative Director, EC Growth Foundation Inc. (current) Jul 2023: Director, Maruzen Research Co., Ltd. (current) Mar 2025: Outside Director, Beatrend Inc. (current)

Dec 2006: Joined Deloitte Touche Tohmatsu LLC May 2011: Registered as Certified Public Accountant; Representative, Mari Yamauchi Certified Public Accountant Office (current) Dec 2011: Registered as Certified Tax Accountant Apr 2018: Director, Tokyo Filmex NPO (current) Jul 2019: Representative Director, THNK Advisory Inc. (current) Jun 2021: Member of the Board of Trustees, Saito Takao Gekiga Culture Foundation (current) Jan 2022: Temporary Member, Subcommittee on Cultural Economy, Council for Cultural Affairs, Agency for Cultural Affairs (current) Mar 2023: Outside Director, Audit and Supervisory Committee Member, GMO Pepabo, Inc. (current) Jan 2025: Outside Audit & Supervisory Board Member, LocationMind Inc. (current) Sep 2025: Auditor, Japan Sword Culture Research and Preservation Organization (current) Feb 2026: Outside Director, Phil Company Inc. (current)