Tyler is a Primary Reserve Officer in the Canadian Armed Forces and a lawyer at Clyde & Co. LLP in Toronto. His legal practice includes civil litigation, regulatory compliance, insurance coverage and criminal defence. Tyler has served as an Infantry Officer in the Canadian Armed Forces since 2002, first as a member of the Regular Force (2002-2011) and now as a member of the Primary Reserve (2011-present). He is an avid historian, having worked as an expert witness and historical consultant. Tyler recently completed his first book, which is undergoing peer review. He is a director of Tickets for Troops Canada and the Friends of Fort York.