Koji Hashimoto, MD, PhD
Liver Transplant Surgery
Highlights
Age Groups Seen
- Adult
Languages
- Japanese
- English
Gender
MaleAbout Koji Hashimoto
Title
Director of Liver Transplantation
Biography
Koji Hashimoto, M.D., Ph.D., is the Director of Liver Transplantation at the Cleveland Clinic Main Campus and Professor of Surgery at Cleveland Clinic Lerner College of Medicine of Case Western Reserve University. His areas of special interest are living donor liver transplantation, pediatric liver transplantation, liver transplantation using partial livers, liver malignancy, organ preservation, and transplant immunology. He is an ASTS Certified Abdominal Transplant Surgeon and has been personally involved in more than 2000 liver transplants including more than 200 living donor liver transplants.
Dr. Hashimoto has been involved in many basic and clinical research projects with more than 130 scientific research articles. He holds professional memberships both nationally and internationally, including American Society of Transplant Surgeons, The Transplantation Society, International Hepato-Pancreato Biliary Association, American Association for the Study of Liver Diseases, Society of Pediatric Liver Transplantation, and International Liver Transplantation Society. He also serves as a member of various committees in these societies.
He is a graduate of Kyushu University School of Medicine in Japan. He completed his surgical residency at Kyushu University Hospital and a clinical fellowship in abdominal organ transplantation at Cleveland Clinic. After his surgical training, Dr. Hashimoto joined the Cleveland Clinic Liver Transplant Program as a full-time transplant surgeon. He received the Cowan Family Endowed Chair in Living Donor Liver Transplantation in 2016. Dr. Hashimoto’s surgical career continued at Cleveland Clinic as the Director of Living Donor Liver Transplantation and Pediatric Liver Transplantation from 2017 to 2022.
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Education & Board Certifications
Education
- Fellowship: Cleveland Clinic, 2009
- Fellowship: Cleveland Clinic, 2008
- Graduate School: Kyushu University School of Medicine, Graduate School of Medical Sciences, 2001
- Residency: Saiseikai Yahata General Hospital, 1997
- Residency: Kyushu University Hospital, 1996
- Medical Education: Kyushu University School of Medicine, 1995
Professional Highlights
- ASTS Certified Abdominal Transplant Surgeon
- Professor of Surgery at Cleveland Clinic Lerner College of Medicine of Case Western Reserve University
- The Cowan Family Endowed Chair in Living Donor Liver Transplantation
Awards
- Vanguard Award for Outstanding Young Investigator, International Liver Transplantation Society - 2010
- Rising Star Mentor Award for Outstanding Young Investigator, International Liver Transplantation Society - 2019
Professional Memberships
Research & Publications
See publications for this provider. (Disclaimer: This search is powered by PubMed, a service of the U.S. National Library of Medicine. PubMed is a third-party website with no affiliation with Cleveland Clinic.)
Industry Relationships
Cleveland Clinic physicians and scientists collaborate with industry to advance medical breakthroughs. These partnerships help commercialize discoveries for public benefit while maintaining scientific integrity. To ensure transparency and minimize potential bias, Cleveland Clinic reviews these relationships and publicly discloses when physicians/scientists receive significant compensation for consulting, serve in fiduciary roles, receive royalties, or hold equity interests related to their work. We manage potential conflicts through approval processes, annual reporting, and targeted management plans.
As of 2025-11-21, Dr. Hashimoto has reported the financial relationships with the companies listed below.
Consulting and/or Speaking. Dr. Hashimoto receives fees of $5,000 or more per year (or, in rare cases, equity or stock options) as a paid consultant, speaker or as a member of an advisory committee for the following companies:
- OrganOx Limited
Public Health Service-Reportable Financial Conflicts of Interest. Cleveland Clinic scientists and physicians engage in basic, translational and clinical research activities, working to solve health problems, enhance patient care and improve quality of life for patients. Interactions with industry are essential to bringing the researchers' discoveries to the public, but can present the potential for conflicts of interest related to their research activities. Click here to view a listing of instances where Cleveland Clinic has identified a Public Health Service (PHS)-Reportable Financial Conflict of Interest and has put measures in place to ensure that, to the extent possible, the design, conduct and reporting of the research is free from bias.
* Cleveland Clinic physicians and scientists subscribe to the guidance presented in the PhRMA Code on Interactions with Healthcare Professionals and the AdvaMed Code of Ethics on Interactions with Health Care Professionals. As such, gifts of substantial value are generally prohibited.