William Oh, MD

William K. Oh, MD, is Clinical Professor of Medicine at the Icahn School of Medicine at Mount Sinai. He is an expert in the management of genitourinary malignancies, including prostate, renal, bladder, and testicular cancers. Dr. Oh is also Chief Medical Officer at the Prostate Cancer Foundation, the world’s leading prostate cancer philanthropy. Dr. Oh served as Chief of the Division of Hematology and Medical Oncology at Mount Sinai from 2009 to 2020 and as Deputy Director of The Tisch Cancer Institute at Mount Sinai from 2017 to 2020.  He was also CMO at Sema4, a genomics and health intelligence company. 

Dr. Oh’s research interests include novel biomarkers and therapeutics in advanced prostate cancer. In addition to serving as the Principal Investigator of multiple clinical trials in prostate cancer, he has developed large clinical databases and specimen repositories for genitourinary cancers at both Harvard Medical School and the Dana-Farber Cancer Institute and at Mount Sinai, which have enrolled more than 10,000 patients with prostate, renal, and bladder cancer.
Dr. Oh has authored more than 350 articles, reviews, and book chapters on topics relating to prostate, renal, bladder, and testicular cancers. He has edited three books on prostate cancer. He has served in key invited roles for the American Society of Clinical Oncology, the American Cancer Society, and the American Urological Association, including the Guidelines Committee for Advanced Prostate Cancer. In addition to reviewing for top journals such as The New England Journal of Medicine, Journal of Clinical Oncology, and Cancer, Dr. Oh co-edits “Testicular Cancer” for Up to Date and is Associate Editor of CA: A Cancer Journal for Clinicians. He is a member of the prestigious American Society for Clinical Investigation and has been repeatedly selected as a Top Doctor in New York magazine, Castle Connolly, Best Doctors, and Super Doctors over the past decade.

Prior to joining Mount Sinai in 2009, Dr. Oh served as Clinical Director of the Lank Center for Genitourinary Oncology and directed the Gelb Center for Translational Research at the Dana-Farber Cancer Institute and Harvard Medical School in Boston.

Dr. Oh is on Twitter at @williamohmd.

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