Dr. David Fajgenbaum MD, MBA, MSc Physician Scientist Assistant Professor of Medicine Executive Director of the Castleman disease Collaborative Network Undergrad: Georgetown University Grad School: University of Oxford Business School: Wharton Business School Medical School: Perelman School of Medicine Twitter  |  Instagram  |  Website  |  Facebook  |  BOOK Description: Dr. Fajgenbaum is the Cofounder and…