Mario Sznol, M.D., professor of medicine and clinical research leader in the melanoma program and co-leader, cancer immunology program at Yale Cancer Center. Dr. Sznol conducts clinical research for melanoma and kidney cancer patients with a major focus on immunotherapies. Before joining Yale in 2004, Dr. Sznol served as vice president, clinical affairs of Vion Pharmaceuticals where he oversaw development of the company’s anticancer drug candidates. Prior to that, he served as head of the Biologics Evaluation Section, Investigational Drug Branch at the National Cancer Institute. Dr. Sznol earned a M.D. from Baylor College of Medicine and a B.S. in biochemistry from Rice University.