Apr 1994 Joined Computer Applications Co., Ltd. (now CAC Holdings Corp.) Jul 2007 General Manager, Corporate Planning Department, the Company Apr 2009 Executive Officer, Deputy Head of Financial Business Unit, the Company Jan 2011 Director, President and Treasurer, CAC America Corporation Apr 2014 Transferred to CAC Corporation Jul 2014 President, Strategic Initiatives, Accel Frontline Limited (now Inspirisys Solutions Limited) Jan 2016 Executive Officer, CAC Corporation Mar 2016 Director, the Company; Director and Executive Officer, CAC Corporation Apr 2016 Director, the Company; in charge of Management Administration, Corporate Planning and Future Planning Departments Jan 2018 Director, the Company; in charge of CAC Corporation; Representative Director, President, CAC Corporation Jan 2019 Director and Executive Officer, the Company; in charge of Core ICT Domain Mar 2019 Managing Executive Officer, the Company; in charge of Core ICT Domain Mar 2020 Director and Senior Managing Executive Officer, the Company Jan 2021 Representative Director, President, the Company (current) Jan 2025 Chairman and Director, CAC Corporation

Apr 1983 Joined Computer Applications Co., Ltd. (now CAC Holdings Corp.) Apr 1999 General Manager, Financial Systems Division I, the Company Mar 2000 Executive Officer, General Manager, Financial Systems Division I, SI Business Headquarters, the Company Mar 2005 Director and Executive Officer, General Manager, Management Headquarters, the Company Jan 2011 Representative Director, President, the Company Apr 2014 Representative Director, President, CAC Corporation Jan 2021 Representative Director, Chairman, the Company Mar 2023 Chairman of the Board, Director, the Company (current) Jun 2023 Chairman, Japan IT Services Industry Corporate Pension Fund (current)

Apr 2000 Joined CAC Corporation (now CAC Holdings Corp.) Jan 2014 General Manager, Corporate Planning Department, the Company Apr 2014 Transferred to CAC Corporation Apr 2016 Executive Officer in charge of Operations, CAC Corporation Jan 2023 Deputy Executive Officer in charge of Management Administration, the Company Mar 2023 Director and Executive Officer in charge of Operations, CAC Corporation Jan 2025 Representative Director, President, CAC Corporation (current) Mar 2025 Director and Executive Officer in charge of Core ICT, the Company (current)

Jun 1987 Quality Director and Organizational Learning Director, Global Consumer Bank Japan, Citibank N.A. Sep 2001 Master Black Belt, Six Sigma Solutions, JPMorgan Chase Asia Pacific Aug 2002 General Manager, Human Resources Department, Tokyo Star Bank, Ltd. Aug 2008 Head of Human Resources, Asia Pacific, and Senior Vice President, Moody's Japan K.K. Apr 2010 Executive Officer, Chief of Staff, Tokyo Star Bank, Ltd. Sep 2011 Executive Officer and Chief Human Resources Officer, Chartis Far East Holdings K.K. (now AIG Japan Holdings K.K.) Jan 2018 Director, Executive Officer and Chief Human Resources Officer, AIG Japan Holdings K.K. Feb 2020 Advisor, Asahi Group Holdings, Ltd. (current) Mar 2021 Director, the Company (current) Mar 2022 Outside Director, Audit and Supervisory Committee Member, Senba Co., Ltd. (current) Mar 2024 Outside Director, Manulife Life Insurance Company (current) Jan 2025 Director, Tokyo English Lifeline (NPO) (current) Jun 2025 Outside Director, Seven Bank, Ltd. (current)

Apr 2011 Resident Physician, Hitachinaka General Hospital, Hitachi, Ltd. Apr 2012 Resident Physician, Tokyo Medical and Dental University Hospital Apr 2013 Company Physician, Toshiba Corporation Apr 2015 Dermatology Staff Physician, Tokyo Medical and Dental University Hospital; Company Physician, Tokyo Business Services Co., Ltd. (current) Jul 2015 Dermatology Staff Physician, Shonan Fujisawa Tokushukai Hospital Dec 2015 Director, Labo Metrica Co., Ltd. (current) Aug 2017 Assistant Professor, Dermatology, Tokyo Medical and Dental University Hospital Sep 2018 Chief of Dermatology, Soka City Hospital Mar 2021 Director, the Company (current) Jan 2023 Representative Director, Medical Perch Co., Ltd. (current)

Apr 1987 Joined Sumitomo Life Insurance Company Feb 2004 Director, Soleil Soul Co., Ltd. (current) Jun 2004 Full-time Audit & Supervisory Board Member, All About, Inc. Oct 2012 Director, Open Innovation Promotion Council (current) Jun 2014 Audit & Supervisory Board Member, All About Life Marketing, Inc. (current) Mar 2016 Outside Director, Audit and Supervisory Committee Member, Wireless Gate, Inc. (current) Aug 2016 Outside Director, Hoshino Co., Ltd. Jun 2020 Audit & Supervisory Board Member, Internet Infinity Co., Ltd. (current) Jun 2020 Outside Director, Selm Co., Ltd. Mar 2021 Outside Director, ORJ Co., Ltd. Mar 2023 Director, the Company (current) Jun 2023 Outside Director, Audit and Supervisory Committee Member, All About, Inc. (current) Jun 2023 Outside Director, Audit and Supervisory Committee Member, Selm Co., Ltd. (current)

Apr 2001 JSPS Research Fellow (PD), Japan Society for the Promotion of Science Sep 2001 Visiting Researcher, Carnegie Mellon University Dec 2001 Research Associate, Graduate School of Information Science and Technology, The University of Tokyo Apr 2006 Lecturer, Graduate School of Information Science and Technology, The University of Tokyo Apr 2009 Associate Professor, Graduate School of Information Science and Technology, The University of Tokyo Apr 2013 Professor, Graduate School of Information Science and Technology, The University of Tokyo Oct 2016 Team Director, Center for Advanced Intelligence Project, RIKEN (current) Nov 2017 Visiting Professor, Medical Big Data Research Center, National Institute of Informatics (current) Sep 2019 Professor, Research Center for Advanced Science and Technology, The University of Tokyo (current) Mar 2023 Director, the Company (current) Aug 2023 Assistant to the President, RIKEN (current)

Apr 1986 Joined Computer Applications Co., Ltd. (now CAC Holdings Corp.) Jan 2004 General Manager, Design and Infrastructure Management Center, Production Quality Enhancement Headquarters, the Company Jan 2005 General Manager, Financial Systems Business Unit, the Company Mar 2005 Executive Officer, General Manager, Financial Systems Business Unit, the Company Mar 2011 Director and Executive Officer, General Manager, Sales Headquarters, the Company Apr 2014 Director and Executive Officer, CAC Corporation Jul 2017 Director and Managing Executive Officer, CAC Corporation Mar 2019 Full-time Audit & Supervisory Board Member, the Company (current)

Apr 1987 Joined Lautréamont Co., Ltd. Jul 1989 Joined Japan System Service Co., Ltd. (now CAC Holdings Corp.) Jan 2009 General Manager, AMO Department I, AMO Unit, the Company Apr 2014 Transferred to CAC Corporation Jan 2015 Executive Officer, CAC Corporation Mar 2019 Director and Executive Officer in charge of Operations, CAC Corporation Mar 2025 Full-time Audit & Supervisory Board Member, the Company (current)

Apr 1997 Registered as attorney-at-law; joined Abe, Ikubo & Katayama Mar 2004 Registered as attorney in New York State, U.S.A. Aug 2004 Partner, Abe, Ikubo & Katayama (current) Jun 2007 Outside Audit & Supervisory Board Member, Uoriki Co., Ltd. Jun 2015 Outside Director, Uoriki Co., Ltd.; Executive Director, Japan International Intellectual Property Protection Association (general incorporated association) Mar 2017 Audit & Supervisory Board Member, the Company (current)

Apr 1991 Joined The Mitsubishi Bank, Ltd. (now MUFG Bank, Ltd.) Jun 2002 Joined Nissan Motor Co., Ltd. Jan 2007 Joined Booz Allen Hamilton Inc. (now PwC Consulting LLC) Jul 2009 Representative Director, ONTRACK Co., Ltd. (current) Mar 2019 Audit & Supervisory Board Member, the Company (current)