David Fajgenbaum, MD, MBA, MSc, is an Associate Professor of Medicine at the University of Pennsylvania and one of the youngest faculty members to receive tenure at Penn Medicine. He is also co-Founder/President of the Castleman Disease Collaborative Network, co-Founder/President of Every Cure, and national bestselling author of ‘Chasing My Cure.’



Dr. Fajgenbaum is also a patient battling a deadly disease that he discovered a repurposed treatment for that is saving his life and others. He has advanced 13 other repurposed treatments and pioneered a new field called computational pharmacophenomics to accelerate drug repurposing.

One of the youngest awardees of multiple top grants, Dr. Fajgenbaum has published nearly 100 papers in journals like NEJM, been profiled by The New York Times, TODAY, and GMA, and received numerous awards like the 2023 Philadelphia Citizen of the Year Award. Dr. Fajgenbaum received a BS (Georgetown), MSc (Oxford), MD (UPenn), and MBA (Wharton).