Albert D. LaLonde September 29, 2012
Charles W. White August 1, 2012
Lawrence Dunn April 2, 2012
Tommy Thompson March 19, 2011
Michael E. Fedor December 10, 2010
Harry E. Hawkins September 12, 2010
David E. McRoberts May 9, 2010
William H. Riggs April 22, 2010
William E. Shaw April 2, 2010
Elmer Parker August 25, 2009