(1930 - Present)
| Years of Service | Commissioner | From |
|---|---|---|
| 2021-present | Jim Ziegler | Kewaskum |
| 2017-20 | Rory Holland | Johnson Creek |
| 2015-17 | Gregg Kuehl | Hustisford |
| 2013-14 | Rory Holland | Johnson Creek |
| 2004-13 | Carl Schwarze | Watertown |
| 2001-03 | Steve Salter | Slinger |
| 1991-00 | Gregg Kuehl | Hustisford |
| 1965-90 | Elmer Marks | Ashippun |
| 1957-64 | Bud Bellon | Horicon |
| 1951-56 | Rube Schuster | Theresa |
| 1938-50 | Augie Bischoff | Juneau |
| 1932-37 | Art Noll | Juneau |
| 1930-31 | Edgar Peters | Juneau |