Susan L. Orloff, M.D., F.A.C.S., F.A.A.S.L.D., is Professor of Surgery of Abdominal Organ Transplantation, Co-Program Director of the HPB Surgery Fellowship at OHSU and , Inaugural Boris & Dorothy Rabkin Endowed Professor. She is the past Head of the OHSU Division of Abdominal Organ Transplantation. She completed a BS in Biology at the University of California, San Diego, where she was Phi Beta Kappa. She then obtained her medical degree and was AOA from the University of California, San Francisco. She subsequently completed an internship in Internal Medicine and a General Surgery internship and residency as well as Abdominal Organ Transplant Surgery Fellowship at the University of California, San Francisco, and has been practicing transplant surgery and hepatobiliary surgery at OHSU since 1995.

She has served as the Medical Director of the Pacific Northwest Transplant Bank and previously served as the Director of Basic Science Research and served as the Inaugural Vice Chair of Research in the Department of Surgery for eight years. Dr. Orloff established and has supervised a highly productive NIH funded research lab for 27 years and holds a joint appointment as Adjunct Professor in the Department of Molecular Microbiology and Immunology at OHSU. 

Her passion for teaching and working with fellows, residents and students is exemplified by having won three teaching awards at OHSU. She is internationally recognized as a leader in hepatobiliary surgery and liver transplantation. She is the author of over 150 peer-reviewed scientific articles, 24 book chapters in the fields of transplant immunology and tolerance, mechanisms of cytomegalovirus infection and accelerated rejection in solid organ transplants, outcomes in liver transplantation and hepatobiliary surgery. 

Dr. Orloff is on the editorial board of 4 journals and is an invited reviewer for 17. She is an active member of several surgical societies including having served as Governor to the American College of Surgeons for the American Surgical Association. In addition, she served as Councilor–at-Large for the American Association for the Study of Liver Disease, serving on the AASLD Governing Board, as well as AASLD Global Outreach and Engagement Committee, Founding Member

She is past Chair of the  American Society of Transplantation, Liver Intestine Community of Practice, Founder and historical Chair of the Society of University Surgeons Committee on Global Academic Surgery, and has served on many committees for UNOS, including Region 6 Representative for the UNOS Liver Intestine Committee, member of the UNOS Membership and Professional Standards Committee, and served on the UNOS Governing Board. Dr. Orloff founded OHSU’s APHBA-certified HPB Surgery Fellowship in 2010 and has been Fellowship Program Director until 2021, and is currently HPB Surgery Fellowship Co-Program Director. She has been Program Chair for the Americas Hepato-Pancreato-Biliary Surgery Annual meeting as well as the Annual American Transplant Congress Program Chair.