Apr 1995 Joined Dai-ichi Life Insurance Company, Limited Jun 2001 Joined A.T. Kearney K.K. Oct 2005 Joined McKinsey & Company Feb 2007 Joined MKS Partners Inc. Dec 2008 Joined Marunouchi Capital Inc. Apr 2012 Representative Director, NK Relations Inc. (now Noritz Keiki Co., Ltd.) Jul 2012 Director, NS Partners Inc. May 2013 Director, the Company Jun 2013 Executive Vice President and COO, Noritz Keiki Co., Ltd. Oct 2013 Representative Director, President, the Company Oct 2014 Resigned as Representative Director, President, the Company (Non-Executive Director) Jul 2015 Director, Dr. Net Inc. Jun 2016 Outside Director, PKSHA Technology Inc. Apr 2018 Representative Director, President and CEO, the Company Jun 2018 Director, Medical Database Inc. Apr 2020 Director, NS Partners Inc. Nov 2020 Director, Data Index Inc. Jun 2023 Representative Director, Chairman, the Company Oct 2023 Outside Director, Karada Note Inc. (current) Jun 2024 Chairman and Director, the Company (current)

Apr 2007 Joined Boston Consulting Group K.K. Sep 2016 Joined NK Relations Inc. (now Noritz Keiki Co., Ltd.) Oct 2016 Representative Director, GeneTech Inc. Jun 2017 Representative Director, Nihon Saisei Iryo Inc. (now Metuselah Inc.) Jun 2018 Director, Genetechnoscience Inc. (now Kidswell Bio Inc.) May 2020 Executive Officer (in charge of Pharmaceutical Division), the Company Apr 2022 Executive Officer (in charge of Insurer Support Business Division), the Company Dec 2022 Executive Officer (in charge of Pharmaceutical Division and Medical Institution Support Business Division), the Company Jun 2023 Representative Director, President and CEO, the Company (current) Jun 2023 Director, Dr. Net Inc. (current) Jun 2023 Director, NS Partners Inc. (current) Jan 2024 Director, Cancerscan Inc. (current)

Apr 2007 Joined Boston Consulting Group K.K. May 2012 Joined NK Relations Inc. (now Noritz Keiki Co., Ltd.) May 2013 Director, the Company Jan 2014 Registered as attorney-at-law; Representative, Yuta Yamamoto Law Office (now Yamamoto Law Office) (current) Jun 2015 Director, Noritz Keiki Co., Ltd. Jun 2016 Director, Dr. Net Inc. Apr 2019 Executive Vice President and CFO, the Company Jun 2019 Director, Medical Database Inc. Jun 2019 Director, Dr. Net Inc. Apr 2020 Director, NS Partners Inc. Jun 2020 Director and Executive Vice President and CFO, the Company Aug 2020 Outside Director, AViC Inc. Nov 2020 Director, Data Index Inc. Dec 2021 Outside Director (Audit and Supervisory Committee Member), AViC Inc. (current) Jun 2023 Director, the Company (current)

Apr 1990 Joined Omron Corporation Jul 2006 Deputy General Manager, Omron Healthcare China Oct 2011 Vice President, Omron Healthcare Americas; President, Omron Healthcare Brazil Apr 2013 Head of Global Sales Planning Division and Head of Americas and Europe Sales Division, Omron Healthcare Co., Ltd.; CEO, Omron Healthcare Americas Mar 2017 General Manager, Corporate Strategy Department, Global Strategy Division, Omron Corporation Apr 2018 Executive Officer, Omron Corporation Jun 2022 Outside Director, the Company Apr 2023 Senior Managing Executive Officer, CFO and Head of Global Strategy Division, Omron Corporation Oct 2023 Director, the Company (current) Apr 2024 Executive Vice President, CFO and Head of Global Strategy Division, Omron Corporation (current)

Dec 1988 Joined Korea Durban Inc. Apr 1997 Joined Boston Consulting Group K.K. Apr 2000 Joined trans cosmos inc. Apr 2001 Director, trans cosmos inc. Apr 2001 Senior Vice President and COO, CIC Korea Inc. (now trans cosmos Korea Inc.) Apr 2003 Advisor, trans cosmos inc. Aug 2004 Joined Russell Reynolds Associates Japan, Inc. Feb 2007 Representative Director, RAYS Partners Inc. (current) Jul 2007 Faculty, Globis University Jun 2021 Outside Director, the Company (current) Jun 2023 Outside Director, Striders Inc. Jun 2024 Outside Director (Audit and Supervisory Committee Member), Striders Inc.

Apr 1978 Joined Kyowa Hakko Kogyo Co., Ltd. (now Kyowa Kirin Co., Ltd.) May 2005 General Manager, Legal Department, Kyowa Hakko Kogyo Co., Ltd. Apr 2009 General Manager, General Affairs Department, Kyowa Hakko Kogyo Co., Ltd. Mar 2010 Full-time Corporate Auditor, Kyowa Hakko Chemical Co., Ltd. (now KH Neochem Co., Ltd.) Mar 2011 Director and General Manager of Administration Division, Kyowa Hakko Chemical Co., Ltd. Sep 2013 Senior Managing Director, Miyako Chemical Co., Ltd. Jan 2014 Executive Vice President and Director, Miyako Chemical Co., Ltd. Jun 2016 Outside Corporate Auditor, the Company Jun 2016 Director, Healthcare Data Science Institute (current) Jun 2016 Auditor, Medical Database Association (current) Apr 2019 Outside Director (Full-time Audit and Supervisory Committee Member), the Company (current)

Apr 1996 Joined The Nippon Kogyo Bank, Ltd. (now Mizuho Bank, Ltd.) Sep 2000 Joined McKinsey & Company Oct 2002 Joined MKS Partners Inc. Apr 2007 Partner, MKS Partners Inc. Apr 2007 Outside Director, Pressio Inc. (current) Dec 2008 Representative Director, MKS Partners Inc. Jan 2010 Representative Director and Managing Partner, NH Partners Inc. (current) Sep 2011 Outside Director, Alflex Japan Inc. (current) Jun 2013 Chairman, Feed Inc. Sep 2013 Representative Director, Chairman and President, Feed Inc. May 2014 Chairman and Director, TOOT Inc. (current) Jun 2015 Outside Director, Daiko Electronics Communications Co., Ltd. (now DAIKO XTECH Inc.) Mar 2016 Outside Director, Noritz Precision Co., Ltd. (current) Jun 2018 Outside Corporate Auditor, the Company Apr 2019 Outside Director (Audit and Supervisory Committee Member), the Company (current) Jul 2020 Outside Director, Halmek Holdings Inc. Jun 2021 Outside Director (Audit and Supervisory Committee Member), Halmek Holdings Inc. (current) Mar 2022 Outside Director, Rex Advisors Inc. (current)

Dec 2004 Joined Shin Nihon & Co. (now EY Shin Nihon LLC) Jan 2014 Joined Yamato Capital Partners Inc. (now YCP Japan Inc.) Aug 2015 Representative Director, YGA Partners Inc. Jun 2016 Auditor, PKSHA Technology Inc. Jun 2018 Outside Corporate Auditor, the Company Dec 2018 Outside Director (Audit and Supervisory Committee Member), Logly Inc. Apr 2019 Outside Director (Audit and Supervisory Committee Member), the Company (current) Dec 2020 Outside Director (Audit and Supervisory Committee Member), PKSHA Technology Inc. (current) Jan 2021 Representative Partner, ES Next Audit Corporation (now ES Next LLC) Mar 2021 Outside Corporate Auditor, Toridori Inc. (current) Feb 2022 Managing Partner, ES Next LLC (current)

Jul 1991 Assistant Professor, Department of Social Medicine, University of Tsukuba Sep 1992 Assistant, Department of Hygiene and Public Health, Teikyo University School of Medicine Apr 1999 Director, Minami-Yamato Health Care Facility for the Elderly Jun 2000 Lecturer, Department of Hygiene and Public Health, Teikyo University School of Medicine Apr 2003 Professor, Department of Social Medicine, University of Tsukuba Apr 2004 Professor, Department of Health Services Research, Graduate School of Comprehensive Human Sciences, University of Tsukuba (now Department of Health Services Research, Faculty of Medicine, University of Tsukuba) Jul 2017 Director, Center for Health Services Research and Development, University of Tsukuba (current) Mar 2022 Representative Director, Tsukuba Health and Care Services Research Institute Inc. (current) Apr 2026 Specially Appointed Professor, Department of Health Services Research, University of Tsukuba (current)