Officers

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Directors

Taisuke Murai
President
CEO, CIO & Director responsible for Corporate Planning

Number of shares held: 109,309 shares

Attendance of Board of Directors meetings: 13/13

Important concurrent positions outside the Company:

  • Representative Director of VITAL-NET, INC.
  • Director of KSK Co., Ltd.
  • Director of Finese Co., Ltd.
  • Director of MEDLEAP PHARMA COMPANY LIMITED
Career Summary
April 1987 Joined SUNS Co., Ltd. (now VITAL-NET, INC.)
October 1989 Head of Corporate Planning Department, SUNS Co., Ltd.
June 1990 Director of SUNS Co., Ltd.
June 1994 Managing Director of SUNS Co., Ltd.
April 1996 General Manager of SUNS Co., Ltd.
April 1997 Senior Managing Director of SUNS Co., Ltd.
June 2006 Executive Vice President and Director of VITAL-NET, INC.
Assistant to the President, Director responsible for Public Relations and IR of VITAL-NET, INC.
April 2009 Director of VITAL KSK HOLDINGS, INC. (Director responsible for Corporate Planning)
June 2014 Executive Vice President, Director and Corporate Officer of VITAL-NET, INC. (Assistant to the President and Director responsible for Public Relations)
Director of Finese Co., Ltd. (present)
June 2015 Representative Director of VITAL-NET, INC. (present)
President of VITAL KSK HOLDINGS, INC.
June 2017 President of VITAL KSK HOLDINGS, INC. (CEO & CIO)
June 2018 Director of KSK Co., Ltd. (present)
June 2019 President of VITAL KSK HOLDINGS, INC. (CEO, CIO & Director responsible for Corporate Planning) (present)
September 2025 Director of MEDLEAP PHARMA COMPANY LIMITED(present)

Takeshi Ichijo
Executive Vice President
Director responsible for Public Relations and Pharmacy Business

Number of shares held: 111,909 shares

Attendance of Board of Directors meetings: 13/13

Important concurrent position outside the Company:

  • President of VITAL-NET, INC.
  • Director of MEDLEAP PHARMA COMPANY LIMITED
Career Summary
April 1985 Joined SUNS Co., Ltd. (now VITAL-NET, INC.)
April 1997 Fukushima Branch
October 2002 General Manager of Sales Division of VITAL-NET, INC. Yamagata Branch
July 2006 Executive Officer, General Manager of Sales Division of VITAL-NET, INC. Miyagi Branch
July 2009 Executive Officer, General Manager of Sales Division of VITAL-NET, INC.
June 2010 Director of VITAL-NET, INC.
June 2012 Director of VITAL KSK HOLDINGS, INC.
July 2012 Director of VITAL KSK HOLDINGS, INC. (Director responsible for Sales (VITAL-NET, INC.))
Director and Executive Officer of VITAL-NET, INC.
July 2013 Director of VITAL KSK HOLDINGS, INC. (Director responsible for Sales & Purchase)
June 2015 President of VITAL-NET, INC. (present)
Director of VITAL KSK HOLDINGS, INC. (Director responsible for Public Relations)
June 2017 Director of VITAL KSK HOLDINGS, INC. (Director responsible for Sales)
June 2018 Director of VITAL KSK HOLDINGS, INC. (Director responsible for IR)
June 2019 Director of VITAL KSK HOLDINGS, INC. (Director responsible for Sales & Purchase)
June 2020 Vice President of VITAL KSK HOLDINGS, INC. (Director responsible for Sales & Purchase and Public Relations)
June 2021 Executive Vice President of VITAL KSK HOLDINGS, INC. (Director responsible for Sales & Purchase and Public Relations)
June 2023 Executive Vice President of VITAL KSK HOLDINGS, INC. (Director responsible for Public Relations and Pharmacy Business)
September 2025 Director of MEDLEAP PHARMA COMPANY LIMITED(present)

Toshiyuki Iguchi
Executive Vice President
Director responsible for CSR, Sustainability Promotion, General Affairs, Human Resources Development, Legal & Compliance and Auditing

Number of shares held: 7,232 shares

Attendance of Board of Directors meetings: 13/13

Important concurrent position outside the Company:

  • President of KSK Co., Ltd.
    • 　
  • Director of VITAL-NET, INC.
  • Director of MEDLEAP PHARMA COMPANY LIMITED
Career Summary
April 1990 Joined Daigo Co., Ltd. (now KSK Co., Ltd.)
April 2010 Branch Manager of KSK Co., Ltd. Nagahama
July 2017 Executive Officer and Manager of the Kyoto-Shiga Sales Division of KSK Co., Ltd.
May 2019 Executive Officer, Manager of Human Resources Development of KSK Co., Ltd.
June 2019 Director, General Manager of General Affairs and Human Resources Development of KSK Co., Ltd.
June 2020 Director, Manager of Administration and Human Resources Development of KSK Co., Ltd. (present)
Executive Officer, Manager of Legal & Compliance Division of VITAL KSK HOLDINGS, INC.
June 2021 Director of VITAL KSK HOLDINGS, INC. (Director responsible for CSR, General Affairs, Human Resources Development, Legal & Compliance and Auditing)
April 2025 Director, General Manager of Administration of KSK Co., Ltd. (present)
June 2025 President of KSK Co., Ltd. (present)
Executive Vice President of VITAL KSK HOLDINGS, INC. (Director responsible for CSR, Sustainability Promotion, General Affairs, Human Resources Development, Legal & Compliance and Auditing) (present)
September 2025 Director of MEDLEAP PHARMA COMPANY LIMITED(present)

Mitsunao Suzuki
Director
Director responsible for Corporate Communication and New Business development

Number of shares held: 162,271 shares

Attendance of Board of Directors meetings: 13/13

Important concurrent positions outside the Company:

  • Executive Vice President of VITAL-NET, INC.
  • Director of MEDLEAP PHARMA COMPANY LIMITED
  • Outside Director of HOKUYAKU Inc.
  • Outside Director of ASTEM, Inc.
Career Summary
July 2008 Joined VITAL-NET, INC.
July 2010 Head of Sales Development of VITAL-NET, INC.
July 2013 Branch Manager of VITAL-NET, INC. Sendai
July 2014 Manager of Sales Division of VITAL-NET, INC. Miyagi
July 2015 Executive Officer, General Manager of Sales Division and Sales Strategy Division of VITAL-NET, INC.
June 2016 Director, Executive Officer, General Manager of Sales Division and Sales Strategy Division of VITAL-NET, INC.
July 2020 Director, Managing Executive Officer, General Manager of Sales Division of VITAL-NET, INC.
July 2022 Executive Officer, Manager of Sales & Purchase and officer in Charge of MAPs
June 2023 Director of VITAL KSK HOLDINGS, INC. (Sales & Purchase and MAPs)
Executive Vice President and Executive Officer, General Manager of Sales Division of VITAL-NET, INC.
Outside Director of HOKUYAKU Inc. (present)
Outside Director of ASTEM, Inc. (present)
June 2024 Executive Vice President of VITAL-NET, INC. (Director General Manager of Management and Sales) (present)
June 2025 Director of VITAL KSK HOLDINGS, INC. (Corporate Communication and New Business development)(present)
September 2025 Director of MEDLEAP PHARMA COMPANY LIMITED(present)

Koichiro Suzuki
Director
Director responsible for Sales & Purchase

Number of shares held: 1,027,407 shares

Attendance of Board of Directors meetings: 13/13

Important concurrent position outside the Company:

  • Director of VITAL-NET, INC.
Career Summary
August 2000 Joined NICHIEI Co., Ltd. (now VITAL-NET, INC.)
July 2008 Branch Manager of VITAL-NET, INC. Niigata Second
July 2011 Manager of Sales Division of VITAL-NET, INC. Niigata
July 2014 Executive Officer of VITAL-NET, INC.
June 2017 Director, Executive Officer, Deputy General Manager of Sales Division and Sales Strategy Division, and Director responsible for Niigata of VITAL-NET, INC.
July 2019 Director, Executive Officer, Deputy General Manager of Sales Division, Manager of Pharmaceuticals Division, and Director responsible for Niigata of VITAL-NET, INC.
July 2020 Director, Executive Officer, Deputy General Manager of Sales Division, Manager of Pharmaceuticals Division, and Director responsible for Kan-Etsu of VITAL-NET, INC.
July 2022 Director, Executive Officer, Deputy General Manager of Sales Division, Executive Manager of Distribution Division of VITAL-NET, INC.
June 2023 Director of VITAL KSK HOLDINGS, INC. (Director responsible for New Business development)
Director, Managing Executive Officer, Deputy General Manager of Sales Division and Executive Manager of Distribution Division of VITAL-NET, INC.
June 2024 Director, Managing Executive Officer, General Manager of Sales Division of VITAL-NET, INC. (present)
June 2025 Director of VITAL KSK HOLDINGS, INC. (Sales & Purchase )(present)

Isao Kita
Director
Director responsible for Accounting & Finance

Number of shares held: 7,432 shares

Attendance of Board of Directors meetings: 13/13

Important concurrent position outside the Company:

  • Representative Director of KSK Co., Ltd.
  • Auditor of MEDLEAP PHARMA COMPANY LIMITED
Career Summary
April 1989 Joined Taiyo-Kobe Bank Limited. (now Sumitomo Mitsui Banking Corporation)
April 2017 Branch Manager of Sumitomo Mitsui Banking Corporation Sakai Area
May 2019 Manager of Accounting & Finance Division of VITAL KSK HOLDINGS, INC.
July 2019 Executive Officer of KSK Co., Ltd. (Director responsible for Accounting & Finance)
June 2020 Director of KSK Co., Ltd. (Director responsible for Accounting & Finance and Credit Management Division)
June 2021 Director of KSK Co., Ltd. (Director responsible for Credit Management and Business Reform Promotion and Accounting & Finance Division, Corporate Planning, Information Systems, and Affiliated Companies) (present)
July 2021 Executive Officer, Manager responsible for Accounting & Finance Division of VITAL KSK HOLDINGS, INC.
July 2022 Executive Officer, Manager of Accounting & Finance Division of VITAL KSK HOLDINGS, INC.
June 2023 Director of VITAL KSK HOLDINGS, INC. (Director responsible for Accounting & Finance) (present)
June 2025 Representative Director of KSK Co., Ltd. (Supervisor of Credit Management, Operational Reform Promotion, Finance and Accounting, Corporate Planning and Affiliated Companies) (present)
September 2025 Auditor of MEDLEAP PHARMA COMPANY LIMITED(present)

Kieko Onoki
Outside Director

Number of shares held: None

Attendance of Board of Directors meetings: 12/13

 
Career Summary
October 1979 Joined the Ministry of Posts and Telecommunications (recruited from Morioka Regional Savings Bureau)
April 2005 Deputy Director of Kogota Post Office, Miyagi Prefecture
July 2006 Instructor at Tohoku Postal Training Institute
October 2007 Branch Manager, Japan Post Insurance Co., Ltd. Sendai
April 2010 Branch Manager of Japan Post Insurance Co., Ltd. Yamagata
April 2012 Branch Manager of Japan Post Insurance Co., Ltd. Morioka
October 2014 Branch Manager of Japan Post Insurance Co., Ltd. Sendai
April 2015 Head of the Sendai Service Center of Japan Post Insurance Co., Ltd.
June 2015 Executive Officer and Head of Sendai Administrative Service Center of Japan Post Insurance Co., Ltd.
April 2019 Managing Executive Officer of Japan Post Insurance Co., Ltd.
September 2019 Managing Executive Officer and Head of Tokyo Administrative Service Center of Japan Post Insurance Co., Ltd.
April 2021 Senior Executive Officer and Branch Manager of Japan Post Co., Ltd. Tohoku
June 2023 Director of VITAL KSK HOLDINGS, INC. (present)

Jun Katsura
Outside Director

Number of shares held: None

Attendance of Board of Directors meetings: 13/13

Important concurrent positions outside the Company:

  • Representative of Oncology Business Consulting
  • President & CEO of Medical Incubator Japan K.K.
  • Representative Director and CEO of LinDo K.K.
Career Summary
April 1983 Joined ICI Pharma Co., Ltd. (now AstraZeneca K.K.)
January 2000 General Manager of Oncology Business Unit of ICI Pharma Co., Ltd.
January 2005 Director, General Manager of Oncology Business Unit of ICI Pharma Co., Ltd.
August 2012 AstraZeneca Global Portfolio & Product Strategy Head (Senior Global Marketing Director) of IRESSA of ICI Pharma Co., Ltd. and Director of AstraZeneca K.K.
August 2015 Director of Merck Serono Co., Ltd. (currently Merck Biopharma Co., Ltd.) and General Manager of Oncology Business Unit
January 2018 Representative of Oncology Business Consulting (present)
May 2018 President & CEO of Medical Incubator Japan K.K.
March 2021 Outside Director of CareNet,Inc.
March 2023 Representative Director and CEO of LinDo K.K. (present)
June 2023 Director of VITAL KSK HOLDINGS, INC. (present)
March 2024 President & CEO of Medical Incubator Japan K.K. (present)

Masami Tsugita
Outside Director

Number of shares held: None

Attendance of Board of Directors meetings: 13/13

Important concurrent position outside the Company:

  • Professor in the Clinical Infectious Diseases Laboratory of the Department of Clinical Laboratory Science in the Faculty of Medical Technology at Niigata University of Pharmacy and Applied Life Sciences
Career Summary
May 1985 Obtained clinical trial technician license
June 1985 Obtained pharmacist license
April 1987 Pharmacy Department, Niigata City General Hospital
April 2006 Japan Society of Hospital Pharmacists Board Certified Infection Control Pharmacy Specialist (ICPS)
July 2007 Director, Pharmacy Department, Niitsu Medical Center Hospital
March 2010 Japanese Society of Chemotherapy Certified Antimicrobial Chemotherapy Certified Pharmacist
March 2014 Obtained PhD in Pharmacy, Niigata University of Pharmacy and Medical and Life Sciences
April 2016 Professor, Clinical Pharmacy Educational Research Center, Faculty of Pharmacy, Niigata University of Pharmacy and Medical and Life Sciences
January 2020 Infection Control Doctor (ICD, Japanese College of Infection Control Doctors)
April 2023 Professor in the Clinical Infectious Diseases Laboratory, Department of Clinical Laboratory Science, Faculty of Medical Technology, Niigata University of Pharmacy and Medical and Life Sciences (present)
June 2023 Director of VITAL KSK HOLDINGS, INC. (present)

Audit and Supervisory Committee Member

Kiharu Takahashi
Director (Audit and Supervisory Committee Member)

Number of shares held: 3,755 shares

Attendance of Board of Directors meetings: -/-

Important concurrent position outside the Company:

  • Auditor of VITAL-NET, INC.
Career Summary
April 1986 Joined SUNS Co., Ltd. (now VITAL-NET, INC.)
November 2004 Manager, Finance Department, VITAL-NET, INC.
July 2008 Executive Officer, and Manager of Finance Department, VITAL-NET, INC.
April 2009 Manager of Corporate Planning Department and Accounting & Finance Department, VITAL KSK HOLDINGS, INC.
July 2013 Manager of Accounting & Finance Department, VITAL KSK HOLDINGS, INC.
July 2020 Executive Officer, Manager of Accounting & Finance Department, VITAL KSK HOLDINGS, INC.
July 2022 Executive Officer, Manager of Corporate Planning Department, VITAL KSK HOLDIN
July 2024 Corporate Auditor, VITAL-NET, INC. (present)
July 2025 Director of VITAL KSK HOLDINGS, INC. (Audit and Supervisory Committee Member) (present)

Tsuyoshi Nishitani
Outside Director (Audit and Supervisory Committee Member)

Number of shares held: None

Attendance of Board of Directors meetings: 13/13

Important concurrent position outside the Company:

  • Representative Director of Corporate Governance Advisory Japan Inc.
Career Summary
April 1999 Joined Asahi Audit Corporation (present KPMG AZSA LLC)
April 2003 Registered as certified public accountant
April 2008 Joined Industrial Growth Platform, Inc.
February 2011 Representative Director of Prime Mover Inc.
June 2020 Auditor of VITAL KSK HOLDINGS, INC.
January 2021 Representative Director of Corporate Governance Advisory Japan Inc. (present)
June 2023 Director of VITAL KSK HOLDINGS, INC. (Audit and Supervisory Committee Member) (present)

Mamiko Iwata
Outside Director (Audit and Supervisory Committee Member)

Number of shares held: None

Attendance of Board of Directors meetings: -/-

Important concurrent position outside the Company:

  • Outside Director of DENKODO Co., Ltd.
Career Summary
October 2005 Registered as an attorney at law and joined Frontier Law Office
July 2010 Opened Kotobuki Sogo Law Office
April 2016 Sendai Family Court domestic relationsmediator (present)
April 2020 Director, Miyagi Prefecture Citizens' Mutual Insurance Co-operative (present)
March 2022 Member of Miyagi Gender Equality Council (present)
June 2022 Outside Director of DENKODO CO., Ltd (present)
January 2023 Forest Up Law Office opened (present)
April 2023 Member of Examination Expert Committee, JAPAN SPORT COUNCIL (present)
June 2025 Director of VITAL KSK HOLDINGS, INC. (Audit and Supervisory Committee Member) (present)

Executive Officer

Title Name Responsibility
Executive Officer Shigemi Naito Manager of General Affairs, Human Resources Development Division
Executive Officer Akira Teramura Manager of Sales & Purchase Division
Executive Officer Hideo Takeda Manager of Legal & Compliance Division
Executive Officer Hiroshi Hiratani Director responsible for SCM and Executive Manager of GDP Division
Executive Officer Kenta Sato Manager of Corporate Planning Department and Head of Corporate Communications Office
Executive Officer Hiroshi Yokoyama Head of Corporate Plannning Office, Corporate Planning Department（Director of MEDLEAP PHARMA COMPANY LIMITED）
Executive Officer Yuichi Kobayashi Manager of Business Development Department（President and Representative Director of MEDLEAP PHARMA COMPANY LIMITED）