James Scott McCallum is an American businessman and former politician. A member of the Republican Party, he was the 43rd governor of Wisconsin, ascending from the Lieutenant Governorship when Tommy Thompson resigned in 2001 to accept appointment as U.S. Secretary of Health and Human Services. Prior to becoming Governor, McCallum served 14 years as Thompson's Lieutenant Governor and 10 years in the Wisconsin State Senate.

Tommy George Thompson is an American Republican politician from Juneau County, Wisconsin. He served as the 19th United States secretary of Health and Human Services from 2001 to 2005 in the cabinet of President George W. Bush. Before that, he was the 42nd governor of Wisconsin (1987–2001) and Republican floor leader in the Wisconsin State Assembly (1981–1987).