Greg is an accomplished medical and clinical affairs leader with experience as a both a physician and biotech executive. He previously co-founded and served as the chief medical officer of Rumpus Therapeutics. Prior to his time at Rumpus, Greg was vice president of medical affairs at AstraZeneca, overseeing seven therapeutic areas as well as observational research teams. In other previous medical affairs roles, including at Johnson & Johnson and Centocor, Greg helped to bring new treatment options to market for several autoimmune and rare diseases. Greg earned his BS from Colby College and earned his MD from Albany Medical College. He completed his combined residency training in internal medicine and pediatrics at the LAC+USC Medical Center in Los Angeles and his pediatric and adult rheumatology fellowship at the University of Pennsylvania, where he served on the faculty for a number of years before he joined industry.