Gregory MacMichael, Ph.D., is Chief Technology Officer of Castle Creek Biosciences, Inc. Dr. MacMichael has more than 35 years of biopharmaceutical experience including the development and manufacturing of biologics. Prior to joining Castle Creek, he served as President of CMC Bioservices and Principal at Cell One Partners. Dr. MacMichael previously served as the Senior Vice President of Technology for Axovant Sciences and held various roles at Novartis, Wyeth, Eli Lilly, Chiron, Centocor and Cook Pharmica. He earned a Ph.D. in Microbiology/