Dr. Stack is on the Steering Committee of Hoosiers for a Commonsense Health Plan. Dr. Stack graduated from Stanford University and went on to receive anĀ MBAĀ from Kellogg School of Management at Northwestern University in 1979. He attended Indiana University Medical School where he specialized in orthopedics. Dr. Stack served in the Vietnam War from 1964-67 and is a decorated Navy Veteran. He retired from practice in 2004.