Company

List of Officers

President&CEO Takaaki Hirotsu
1995: Graduated from the Department of Biological Sciences, Faculty of Science, the University of Tokyo.
2001: Completed Ph.D Program at the Department of Biological Sciences, the University of Tokyo Graduate School of Science; Received Ph.D in Science.
Japan Society for the Promotion of Science Research Fellow at the University of Tokyo Graduate School of Science Molecular Genetics Research Laboratory.
Kyoto University Graduate School of Biostudies Postdoctoral Research Fellow.
Assistant Professor, Department of Biology, Faculty of Science, Kyushu University.
2016: Founded Hirotsu Bio Science Inc.; assumed office as CEO.
Director Toshiyuki Kobayashi
1985: Nomura Securities Co.,Ltd. 
2002: SBI Holdings, Inc. (Executive Director)
2009: SBI Sumishin Net Bank, Ltd. (Corporate Officer)
2011: NFC HOLDINGS,Inc. (Executive Director)
2020: HIROTSU BIO SCIENCE INC. (Chief Financial Officer)
Outside Director/Audit and Supervisory Committee Member Takao Nakajima
1980: Mitsui Bank, Ltd. (now Sumitomo Mitsui Banking Corporation)
1999: Sony Finance International,inc.
2002: MISAKI CO.,LTD.
2009: Nippon Swagelok FST, Inc.(Chief Financial Officer)
2020: Chief Executive Officer
2022: HIROTSU BIO SCIENCE INC. (Outside Director/Audit and Supervisory Committee Member )
Outside Director/Audit and Supervisory Committee Member Masahiro Sumikawa
Served as Bank of Japan Kofu Branch Manager, Hiroshima Branch Manager, Information System Services Department Manager. Served as The Tokyo Tomin Bank Managing Director, Representative Director, Tomin Management Research Institute Representative Director.
2011: Appointed Senior Advisor at Aflac.
2013: Concurrently appointed Outside Director at The Hiroshima Bank.
2018: Appointed Director of Hirotsu Bio Science Inc.
2020: Outside Director/Audit and Supervisory Committee Member
Outside Director/Audit and Supervisory Committee Member Mitsuyoshi Komori
2006: Registered as a lawyer
ISHIZAKI & YAMANAKA
2015: Vice Partner
2018: Partner
2021: HIROTSU BIO SCIENCE INC. (Outside Director/Audit and Supervisory Committee Member )
Outside Director/Audit and Supervisory Committee Member Taeko Izumi
1991: Deloitte Touche Tohmatsu LLC
1998: SoftBank Corp.
 Trend Micro Incorporated
2000: SBI Holdings, Inc.
2015: Yahoo Japan Corporation
2019: Shisai Audit(Partner)
2021: HIROTSU BIO SCIENCE INC. (Outside Director/Audit and Supervisory Committee Member )
Consultants Tatsuyuki Nio, M.D.
1988: Graduated from Miyazaki Medical College. Joined the Second Internal Medicine Department, Digestive and Lifestyle Diseases, Kagoshima University Graduate School of Medical and Dental Sciences that same year.
1996: Started work at Nanpuh Hospital. 2007: Director, Gastroenterology Department. 2014: Director, Gastroenterology Center.
Took early notice of the effectiveness of N-NOSE nematode cancer screening, and started full-scale clinical research as supervisor while employed at Nanpuh Hospital.
2018: Retired from Nanpuh Hospital in March. 2018: Appointed Director, Clinic First Nishiaira, in April.
Consultants Kiyoteru Suzuki
Assistant to Lawson, Inc. CEO (in charge of HR and healthcare), concurrently served on the health promotion project.
Served as Lawson Executive Officer and Service Head Office Manager, former Japan Post Network Co., Ltd.
Executive Officer and Tokyo Branch Manager, and from 2013 has promoted the Health Action Plan, which aims to better health checkup rates and improve lifestyle habits.
From 2013, has served on the Ministry of Education, Culture, Sports, Science and Technology’s Experts’ Committee on Food Education. 2018: Appointed Director of Hirotsu Bio Science Inc.
Consultants M.D., Ph.D Yoji Harada
1973: Graduated from Tokyo Medical University. Joined The Fourth Internal Medicine Department, Tokyo Medical University Hospital that same year.
1987: Instructor, the Fourth Internal Medicine Department, Tokyo Medical University Hospital.
1992: Manager, Department of Gastroenterology, Todachuo General Hospital, Toko-kai Medical Corporation.
1993: Deputy Director, Todachuo General Hospital.
2009: Director, Todachuo General Hospital. Professor, The Fourth Internal Medicine Department, Tokyo Medical University Hospital.
2021: Director Emeritus, Todachuo General Hospital.
Consultants M.D., Ph.D Kou Nishikawa
1984: Graduated from Teikyo University School of Medicine. Joined The First Internal Medicine Department, Teikyo University Hospital that same year.
1997: Department of Gastroenterology, Ageo Central General Hospital, Aiyu-kai Medical Corporation.
2010: Visiting Associate Professor, Saitama Medical Center.
2011: Deputy Director, Ageo Central General Hospital.
2016: Adviser, Internal Medicine Department, Center for Advanced Treatment of Hepatobiliary and Pancreatic Diseases, Ageo Central General Hospital.
2017: Visiting Professor, Saitama Medical Center.