Dr. Sim received his bachelor's from Wabash College in Crawfordsville, Indiana, in 1988. He received his medical degree from Indiana University School of Medicine, Indianapolis, Indiana in 1993. He completed a one-year internship at Ball Memorial Hospital, Muncie, Indiana, in 1994. Dr. Sim completed his residency in anesthesiology at the Indianapolis University School of Medicine, Indianapolis, Indiana in 1997. Dr. Sim is board certified by the American Society of Anesthesiology and American Board of Pain Management. He is a member of the Indiana Society of Anesthesiologists and has been on the board of directors since 2003.