Our Team

Management Team

Chief Executive Officer, Co-Founder – Akihiro Ko joined Elixirgen, LLC in 2015 and worked as Chief Operating Officer. Through his management efforts, he optimized the company’s business development and operations. With the establishment of Elixirgen Scientific, LLC, he assumed the position of President in August 2016. He has been responsible for business operations, marketing, and business development at Elixirgen Scientific. In 2017, he co-founded Elixirgen Therapeutics with Dr. Minoru Ko and is Chief Executive Officer. He earned a Bachelor of Science degree from University of Virginia, where he cultivated his interest in stem cell biology and epigenetics through his research involving bivalent domains in cancer stem cells.

Chief Scientific Officer, Co-Founder – Minoru S.H. Ko, M.D., Ph.D. is currently Professor and Chair at the Department of Systems Medicine, Keio University School of Medicine. He worked as Assistant Professor and Associate Professor (Tenured) at Wayne State University School of Medicine. He also worked as Senior Investigator (tenured) and Section Chief for nearly 15 years at the National Institute on Aging, a division of the National Institutes of Health. He has published more than 150 peer-reviewed scientific articles and more than 20 other articles and book chapters, including a “Stem Cell Biology” chapter of Harrison’s Principles of Internal Medicine (17th, 18th, 19th editions). He brings more than 30 years of experience in stem cell biology, genetics, molecular and cell biology, and systems biology.


Stephen M. Feinstone, M.D. is currently Adjunct Professor, Department of Biochemistry and Molecular Medicine, George Washington University School of Medicine. He was Senior Investigator, Laboratory of Infectious Diseases,
NIAID, National Institutes of Health (NIH) and also Chief, Laboratory of Hepatitis Viruses, Division of Viral Products, CBER, FDA. He received B.A. from Johns Hopkins University and M.D. from University of Tennessee College of Medicine.

Shigeru B.H. Ko, M.D., Ph.D. got his MD degree at Nagoya University School of Medicine in 1992 and his Ph.D. degree for Internal Medicine at Nagoya University Graduate School of Medicine in 1999. He has been seeing patients as a physician for 25 years (specialist of Pancreatology) at several local clinics to University hospitals including Keio University Hospital. He spent 2.5 years in the department of Physiology, UT Southwestern Medical Center at Dallas, TX as a research fellow from 2000 to 2003. He is currently an Associate Professor at the Department of Systems Medicine, Keio University School of Medicine. His current field of interest in research is Regenerative medicine of the pancreas.

Yoshinari Sato, Ph.D. 

He has worked for Daiichi Pharmaceutical Co., Ltd.(1971 to 2006), and Japan Health Sciences Foundation(2006 to 2012).

Kokichi Nakasuji, Ph.D. is currently Project Professor and IP Advisor at Chiba University. He worked for Daiichi Pharmaceutical Co., Ltd.

Morrison & Foerster, LLP
Corporate and Intellectual Property (IP) Advisors

Board of Directors

Akihiro Ko - Elixirgen Therapeutics, Inc.

Minoru Ko, M.D., Ph.D. - Elixirgen Therapeutics, Inc.

Dr. Maiko Katadae, Ph.D. - Partner, UTEC (University of Tokyo Edge Capital Co., Ltd.) - focuses on the biotech and healthcare fields, taking charge of due diligence in life science technologies and investment operations for seed and early-stage venture enterprises. She invested in PeptiDream Inc. (listed in the TSE Mothers in June 2013 and the first section in December 2015) which utilizes special peptide manufacturing techniques to design new pharmaceutical drugs. She built management teams and was involved in business plans and development. She also served as an auditor.

Naonori Kurokawa - Partner, UTEC - joined UTEC in August 2009. He focuses on physical science investments: advanced material, nanotechnology, optoelectronics, imaging technology, and clean technology. Nori joined ARCH Venture Partners as an intern in February 2008. Prior to ARCH, he was with Samsung Electronics in South Korea, as a senior engineer. He was responsible for R&D of laser printer, specializing in imaging process and material development. Previously, he was a researcher at the Laboratory of Environmental Technology, Ricoh, Japan. He researched on imaging device, battery, and printing technology. He has three issued patents and seven pending patents in the US. Nori recieved his MBA at the University of Chicago Booth School of Business where he won the first place and the award for the most innovative plan in Edward L. Kaplan New Venture Challenge 2008. He earned his Ph.D. in applied physics from Osaka University in 2003.