William K. Oh

William K. Oh, is an American medical oncologist, academic leader and expert in the management of prostate cancer. He has also held leadership roles in industry and non-profits, including as current Chair of the American Cancer Society’s National Prostate Cancer Roundtable.

Oh is Director of Precision Medicine for Yale Cancer Center and Smilow Cancer Hospital. He is also Medical Director for the Cancer Service Line at Smilow Cancer Hospital in Greenwich. He previously served as Chief Medical Officer for the Prostate Cancer Foundation, the world’s leading philanthropy for prostate cancer. He was also CMO of Sema4 (now known as GeneDx), a publicly traded genomics and health intelligence company. For 11 years, Oh was Chief of the Division of Hematology and Medical Oncology at The Mount Sinai Medical Center in New York City, Deputy Director at Mount Sinai's NCI-designated Tisch Cancer Institute, Professor of Medicine and Urology and the Ezra M. Greenspan, M.D., Professor in Clinical Cancer Therapeutics at The Icahn School of Medicine at Mount Sinai.

Oh is the author of more than 400 publications. He is the editor of 6 books and the author of 25 book chapters. He has been repeatedly listed in Castle Connolly's "America's Top Doctors for Cancer", "Best Doctors in America”, and in New York Magazine's "Top Doctors" from 2010–2025. He has been named a Top AAPI doctor for 2023, 2024 and 2025. Provided by Wikipedia