According to the Washington Post, "Duncan knows every prominent Republican in Washington.”
He is currently a chairman for Amercan Crossroads, a political pressure group led by Karl Rove. He is also the president and CEO of the American Coallition for Clean Coal electricity (ACCCE), a front group for the coal industry.
Mike Duncan has served as the President of the Kentucky Bankers Association, the Director of the Cleveland Federal Reserve Bank Cincinnati Branch, and is currently the principal owner of two community banks with five offices in eastern Kentucky.
From 1989-91, he worked in the Bush White House as Assistant Director of Public Liaison.
In 1998, he took a leave of absence from his business and chaired Jim Bunning’s successful U.S. Senate race
President George W. Bush appointed him to the President’s Commission on White House Fellows in 2001 and nominated him to the Tennessee Valley Authority Board, a position to which he was unanimously confirmed by the United States Senate, in March 2006.
Mike Duncan was General Counsel of the Republican National Committee (RNC) from July 10, 2002 until his election as Chairman. He previously was elected Treasurer of the RNC in January 2001.
Duncan has served the republican party at every level from precinct captain, county chairman, state chairman, to national officer. He was a delegate to the 1972, 1976, 1992, 1996, 2000, 2004, and 2008 Republican National Conventions.
Mike Duncan is one of the few persons ever to serve on the four standing convention committees at the RNC. He was elected to serve as the 15th Chairman of the Tennessee Valley Authority in May 2009 and served until May 2010.
Duncan ran for reelection in the 2009 RNC Chairmanship Election, but dropped out after the third round of balloting when elections were held on January 30, 2009 in Washington, D.C. Michael S. Steele was later that day elected Chairman of the Republican National Committee.