2017-2025 - Harley Schieffer, Clarinda (Retired)
2005-07 - Glenn Becker, Odebolt-Arthur
2001-05 - Jan Fletcher, Earlham
1998-01 - Chuck Van Hecke, Muscatine
1995-10 - Gary Christensen, Winterset
1993-98 - Jan Fletcher, Earlham
1993-95 - Ken Howard, Knoxville
1989-93 - Bob Eisenbraun, Denison
1988-89 - Jon Laughhunn, North Scott
1986-88 - Chuck Van Hecke, Muscatine
1985-87 - Paul Lewison, Anamosa
1985-86 - Bob Pattee, Shenandoah