Mar 1972 Opened a cram school Mar 1982 Established the Company; Representative Director, President Dec 2010 Director, DPP Health Partners Inc. Jun 2012 Chairman of the Board, Cosmo Systems Co., Ltd. May 2017 Representative Director, President, DPP Health Partners Inc. Nov 2018 In charge of Sales Division Jul 2019 Director, Bridge Co., Ltd. Jul 2020 General Manager, New Business Development Division Sep 2022 Representative Director, President and Executive Officer; Chief Executive Officer (CEO) Oct 2022 Director, DeSC Healthcare Inc. (current) Jul 2024 Representative Director, Chairman (current)

Apr 2010 Joined DeNA Co., Ltd. Apr 2018 Executive Officer, DeNA Co., Ltd.; General Manager, Healthcare Business Division; Representative Director, President, DeSC Healthcare Inc.; Representative Director, President, DeNA Life Science Inc. Apr 2019 Director, DeSC Healthcare Inc. Apr 2020 Representative Director, President, DeSC Healthcare Inc. (current) Apr 2021 Executive Officer, DeNA Co., Ltd.; Deputy General Manager, Healthcare Business Division Jul 2021 General Manager, New Business Division, the Company Sep 2021 Director, the Company; Director, Tecto Systems Co., Ltd. Apr 2022 Executive, DeNA Group; Deputy General Manager, Healthcare Business Division May 2022 General Manager, Management Strategy Office, Tecto Systems Co., Ltd. Sep 2022 Representative Director, Executive Vice President and Executive Officer, the Company Oct 2022 Executive, DeNA Group; General Manager, Healthcare Business Division (current) Sep 2023 Representative Director, Executive Vice President and Executive Officer; Chief Operating Officer (COO), the Company Oct 2023 Director, PFDeNA Inc. (current) Jul 2024 Representative Director, President and Executive Officer; Chief Executive Officer (CEO), the Company (current) Apr 2025 Director, Tecto Systems Co., Ltd. (current) Jun 2025 Representative Director, PFDeMA Inc.

Apr 1986 Joined Shin Daiwa Kogyo Co., Ltd. (currently Yamabiko Corporation) May 2006 Joined the Company Dec 2007 General Manager, Accounting Department Jun 2010 Director and General Manager, Accounting Department Oct 2012 Director and General Manager, Corporate Management Department May 2017 Managing Director, DPP Health Partners Inc. Jul 2020 Director and General Manager, Administration Division Sep 2022 Managing Executive Officer and General Manager, Administration Division Jul 2025 General Manager, Internal Audit Office Jun 2026 Director (Full-time Audit and Supervisory Committee Member) (current)

Apr 2006 Joined DeNA Co., Ltd. Mar 2020 Director and Vice President, DeSC Healthcare Inc. (current) Sep 2021 Representative Director, President, Tecto Systems Co., Ltd. Apr 2022 Executive, DeNA Group (current) Oct 2022 Deputy General Manager, Healthcare Business Division, DeNA Co., Ltd. (current) Aug 2023 Director, Bridge Co., Ltd. Jul 2024 Managing Executive Officer and General Manager, Data Health Business Division, the Company Sep 2024 Representative Director, President, DPP Health Partners Inc. (current) Jun 2025 Director and Managing Executive Officer; General Manager, Data Health Business Division, the Company Apr 2026 Director and Executive Officer; General Manager, Data Health Business Division, the Company (current)

Apr 1995 Joined the Ministry of Home Affairs (currently Ministry of Internal Affairs and Communications) Apr 2011 Fiscal Planning Officer, Fiscal Planning Division, Local Public Finance Bureau, Ministry of Internal Affairs and Communications Apr 2013 Joined DeNA Co., Ltd. Jul 2017 Executive Officer and General Manager, Healthcare Business Division, DeNA Co., Ltd.; Representative Director, DeNA Life Science Inc. Apr 2020 Managing Executive Officer, Chief Financial Officer (CFO) and General Manager, Corporate Planning Division, DeNA Co., Ltd. Jun 2021 Director and Executive Officer, CFO and General Manager, Corporate Planning Division, DeNA Co., Ltd.; Representative Director, President, PFDeNA Inc. Apr 2022 Director and Executive Officer, CFO, DeNA Co., Ltd. Jun 2022 Representative Director, Alm Inc. Sep 2022 Director, the Company (current) Oct 2022 Director and Executive Officer, DeNA Co., Ltd. Jun 2024 Representative Director, Chairman, Alm Inc. Sep 2025 Senior Executive Officer, Change Holdings, Inc. (current); Representative Director, President, TrustBank Inc. (current)

Apr 1974 Joined the Ministry of Home Affairs (currently Ministry of Internal Affairs and Communications) Jul 2006 Director-General, Local Public Finance Bureau, Ministry of Internal Affairs and Communications Jul 2007 Director-General, Local Administration Bureau, Ministry of Internal Affairs and Communications Jul 2008 Commissioner, Fire and Disaster Management Agency, Ministry of Internal Affairs and Communications Jul 2009 Deputy Minister (Local Administration), Ministry of Internal Affairs and Communications Jan 2010 Vice-Minister, Ministry of Internal Affairs and Communications Jan 2013 Advisor, Nomura Capital Market Research Institute Apr 2014 Chairman, Council of Local Authorities for International Relations (CLAIR) Sep 2022 Director, the Company (current) Apr 2024 Senior Advisor, CLAIR (current)

Apr 2015 Attorney-at-law, Komori Law Office (current) Jun 2020 Outside Director, Fumakilla Limited (current) Jun 2026 Director (Audit and Supervisory Committee Member), the Company (current)

Dec 2004 Joined Chuo Aoyama Audit Corporation Jul 2007 Joined EY ShinNihon LLC Jun 2008 Registered as Certified Public Accountant Dec 2010 Opened Yamada Certified Public Accountant Office (current) Jul 2011 Registered as Certified Tax Accountant Jun 2012 Representative Director, SK Partners Inc. (current) Sep 2017 Representative Partner, Tax Corporation SkyShip (current) May 2019 Partner, Aile Audit Corporation (current) Jun 2026 Director (Audit and Supervisory Committee Member), the Company (current)