Dr. David S Allan is a clinician–researcher with the Blood and Marrow Transplant Program at TOH, the University of Ottawa, and in the Regenerative Medicine and Clinical Epidemiology Programs at The Ottawa Hospital Research Institute. He is a graduate of Queen’s University and completed a residency in Internal Medicine and Hematology at the University of Toronto and the University of Western Ontario. As a post-MD Research Fellow, he studied the regenerative function of hematopoietic stem cells, and he completed a clinical fellowship in blood and marrow transplantation at the Maisonneuve-Rosemont Hospital in Montreal. His fields of interest are vascular progenitors, regenerative therapy, blood stem cells, blood and marrow transplantation, and microbiology.