Dr David Carr is a Professor in the Division of Emergency Medicine and Department of Family and Community Medicine at the University of Toronto.  He is an Emergency Physician and Clinical Investigator at the University Health Network and Mackenzie Health Hospital. He is also the Continuing Professional Development Lead in the Tri-Division of Emergency Medicine at the University of Toronto and is the course director for the Annual Update of Emergency Medicine that takes place in Whistler, British Columbia. Dr. Carr has lectured over 110 times Internationally in over 30 different countries. He has been the recipient of multiple Undergraduate and Post Graduate Clinical Teaching awards. For the past four years, he has been recognized in the list of Toronto’s top emergency physicians. During the Baseball season, he works at the Roger's Centre as the Medical director of Stadium Medicine for the Toronto Blue Jays. He has co- authored the chapter on Occlusive Arterial Disease in the 7-9^th editions of Tintinalli's Emergency Medicine.