Jeffrey Chodakewitz, M.D., is a specialist in internal medicine and infectious diseases with expertise in both early- and late-stage drug development across small and large molecules, as well as broad R&D and organizational experience in large and small companies. He retired in 2019 as past chief medical officer and executive vice president, Clinical Medicine and External Innovation at Vertex Pharmaceuticals, and he currently serves on several boards of directors. Previously, Dr. Chodakewitz spent 23 years at Merck Research Laboratories, holding senior positions in therapeutic areas and in cross-portfolio roles.