W. Ray Kim, MD is Professor of Medicine at the Mayo Clinic College of Medicine and Science and at Mayo Clinic Arizona.

Dr. Kim earned his medical diploma at Seoul National University. In the United States, he underwent gastroenterology and hepatology training at Mayo Clinic Rochester, where he rose through the ranks to be a Professor of Medicine.

In 2013, he moved to Stanford University to lead the Division of Gastroenterology and Hepatology. As Chief of the Division, he made numerous positive changes leading to a five-fold growth in the size of the faculty and trainees and an exponential increase in their academic productivity, earning Stanford a widespread recognition as an academic center of excellence in the GI and liver community. In 2024, he returned to Mayo Clinic to found and direct the Center for Policy and Outcomes Research in Transplant (CPORT) and continue his research and mentorship.

Dr. Kim has been a leading figure in academic hepatology. He has served on the boards of the American Association for the Study of Liver Disease (AASLD) and AASLD Foundation, culminating as President of AASLD in 2024.

Dr. Kim's research interest has been in prognostication in chronic liver disease. His research accomplishments include development, validation and continued refinement of the Model for End Stage Liver Disease (MELD) and the Steatosis-Associated Fibrosis Estimator (SAFE) score. His research has produced >250 original publications to date with an h-index of >100.