Donald M. McSween was the Commissioner for Frank Clement during his second administration.
E. Boyd Garrett was the Commissioner during the Buford Ellington administration, beginning in 1967.
William L. Jenkins and Granville Hinton each served as Commissioner under Winfield Dunn.
Ann R. Tuck and Charles A. Howell, III served as Commissioner during the two terms of Lamar Alexander.
Luna became the first to hold the title of Commissioner of Environment and Conservation under Ned McWherter.