RBG Communiversity eLibrary: Drimhotep in Ethiopia 2015-17 The certificate and description below represents documentation of Marc Cray, M.D.’s 12 months of volunteer service as a Medical Instructor in Pharmacology at Madda Walabu University, College of Medicine and Health Sciences (Ethiopia, Africa), under the sponsorship of American International Health Alliance’s (AIHA) Volunteer Health Corps (VHC) program, … Continue reading Dr. Cray Completes 2 years as Volunteer in Ethiopia, Africa as Medical Pharmacology and Introduction to Clinical Medicine Teacher