Dr. Marshall is an internationally recognized expert in new drug development for GI cancer and has served as Principal Investigator for more than one hundred clinical trials throughout his career. He established the Otto J Ruesch Center for the Cure of GI Cancers as well as the Precision Oncology Alliance. He currently serves as the Oncology CMO for Indivumed. Dr. Marshall received his training at Duke University, the University of Louisville, and Georgetown University.