He specializes in Canadian history, particularly Canadian politics and foreign relations, and he has taught undergraduate courses at all three University of Toronto campuses as well as Ryerson University. His first monograph, The Destiny of Canada: Macdonald, Laurier, and the Election of 1891, is scheduled for publication in March 2011, and his current scholarly project is a biography of Erastus Wiman, a prominent late 19th-century Canadian businessman.