Gregory is Board Certified in Surgery and Undersea and Hyperbaric Medicine. He is certified in Wound Care by the American Board of Wound Healing. He is a Fellow of the American Professional Wound Care Association with the Distinction of Masters, MAPWCA. He is an Assistant Professor of Surgery with Central Michigan School of Medicine. He is the President of the American Board of Wound Healing and Past President of the AAWC. He has published on a
variety of Wound and Hyperbaric Medicine topics.