John McCallum

John McCallum, PC, MP (born April 9, 1950) is a Liberal Canadian politician, economist and university professor. Following the 2006 Federal Election, he became the Liberal Finance Critic in the Official Opposition Shadow Cabinet. Before the election, he was the 37th Minister of National Revenue and was also the Minister responsible for Canada Post Corporation, the Royal Canadian Mint, from 2004 to 2006 and acting Minister of Natural Resources from 2005 to 2006.