Dr. Marsh received his doctorate of medicine from the University of Illinois Medical Center and completed his internship, residency and fellowship at the University of Florida College of Medicine, Gainesville, where he was honored with the National Service Award, National Institutes of Health.

Dr. Marsh is a published author and has been a principal research investigator for several cancer related drug studies.  During his spare time, he is a Volunteer Trainer for the Prince William County 4-H Bull’s-Eye Shooting Sports Club.