Seminar: Vascularized Bone Grafts for Craniofacial Regeneration Published September 2, 2014 By Seminars Biomedical Engineering Graduate Seminar: Warren Grayson, Ph.D. Assistant Professor, Biomedical Engineering, Johns Hopkins University; Friday, September 5 – 138 Fisher at 10:00 a.m. Title: Vascularized Bone Grafts for Craniofacial Regeneration