Commissioners serve four year terms, or at the pleasure of the governor.
James Harrington, 1976-1978; Dick Braun, 1979-1986; Leonard Levine, 1986-1991; John H. Riley, 1991; James Denn, 1991-1999; Elwyn Tinklenberg, 1999-2002; Lt. Gov. Carol Molnau, 2003-2008; Robert J. McFarlin, 2008; Thomas K. Sorel, 2008-2012; Bernie Arseneau, 2012; Charlie Zelle, 2013-January 6, 2019; Margaret Anderson Kelliher, January 7, 2019-March 1, 2022; Nancy Daubenberger (Temporary Commissioner), March 2, 2022 - May 23, 2022. On May 23, 2022, Govenor Walz announced the appointment of Nancy Daubenberger as Commissioner of Transportation.