David Fajgenbaum, MD, MBA, MSc, is a distinguished physician-scientist at the University of Pennsylvania, where he holds tenure at Penn Medicine. He is also the co-Founder and President of Every Cure, a non-profit dedicated to repurposing existing medicines to unlock new treatments. Fajgenbaum is the national bestselling author of 'Chasing My Cure: A Doctor’s Race to Turn Hope Into Action', a book currently being adapted into a film.