April 17, 2003
Rull completed his internal medicine residency at SIU School of Medicine (2001) followed by a year as chief medicine resident for SIU. He earned his bachelor's degree summa cum laude at Southern Illinois University at Edwardsville (1992) and his medical degree with honors at SIU School of Medicine in Springfield (1998).
He is board certified in internal medicine. He is a member of the American College of Physician and Alpha Omega Alpha National Medical Honorary Society.