David A. Hart is a Professor of Surgery and a Professor of Kinesiology at the University of Calgary. He is also Scientific Director of the AHS Bone & Joint Health Strategic Clinical Network, Co-Chair of the Canadian Space Agency Human Spaceflight Consultation Committee, and a Member of the CAHS SCA. He has published >400 original papers, reviews and book chapters in a variety of areas (molecular & cell biology, biology of sex differences, stem cells/regenerative medicine, arthritis, and obesity)