| * | + | Forrrest E. Kempton | 1947 | to | 1963 |
| | * | William A. Litner | 1947 | to | 1957 |
| | * | Eugene Barrett | 1947 | to | 1950 |
| | * | Ralph Waltz | 1947 | to | 1952 |
| | * | Eugene Lafuse | 1947 | to | 1953 |
| | * | Elmer Wampole | 1950 | to | 1954 |
| | * | Lloyd Burdette | 1952 | to | 1955 |
| | * | Charles Swallow | 1953 | to | 1954 |
| | * | James Caldwell | 1954 | to | 1956 |
| | * | Wilbur Ripberger | 1954 | to | 1957 |
| | * | George Klemperer | 1955 | to | 1961 |
| | * | Herman DuGranrut | 1956 | to | 1962 |
| | * | Wayne Williamson | 1957 | to | 1962 |
| | * | Fred Mitchell | 1957 | to | 1975 |
| * | + | T.J. Wright | 1961 | to | 1984 |
| | * | Albert Hunnicutt | 1962 | to | 1965 |
| | * | Loren Cates | 1962 | to | 1965 |
| | * | Raymond Mendenhall | 1963 | to | 1965 |
| | * | John C. Gilmer | 1963 | to | 1966 |
| | * | Howard Sanders | 1965 | to | 1968 |
| | * | Elbert Mendenhall | 1965 | to | 1970 |
| | * | Carl Rodenberg | 1966 | to | 1967 |
| | * | Olen McMinn | 1967 | to | 1970 |
| | * | Stanley Gehr | 1968 | to | 1971 |
| | * | Clayton Clark | 1970 | to | 1977 |
| | * | Wally Pokorny | 1970 | to | 1973 |
| | * | Jerry J. Dils | 1971 | to | 1980 |
| | | Duane Hill | 1973 | to | 1976 |
| | * | J. Joe Meyer | 1974 | to | 1984 |
| ^ | * | Leo J. Pflum | 1976 | to | 1994 |
| | * | Fred J. Miller | 1977 | to | 1982 |
| | * | Russell L. Turner | 1980 | to | 2004 |
| | * | Joe Ryan | 1982 | to | 1985 |
| | | John B. Cain | 1984 | to | 1987 |
| | | Don Thurston | 1984 | to | 1993 |
| | | George Bihl | 1985 | to | 1992 |
| | * | E. Dale Kirtley | 1987 | to | 1996 |
| | * | Amos Bertsch | 1992 | to | 2004 |
| | * | Josh Turner | 1993 | to | 1996 |
| | * | Gerald Davis | 1994 | to | 1997 |
| | | Duane Cates | 1996 | to | 2006 |
| | * | Gene Berry | 1996 | to | 2002 |
| | | David Williamson | 1997 | to | 2006 |
| | | Harold Routson | 2002 | to | 2011 |
| | | Don Berger | 2004 | to | 2007 |
| | | Phil Jordan | 2004 | to | 2010 |
| | * | Tim McConaha | 2006 | to | 2015 |
| | | David Drake | 2006 | to | 2011 |
| | * | Duane Smoker | 2007 | to | 2010 |
| | | Scott McCarty | 2010 | to | 2021 |
| | | Eric Snyder | 2010 | to | 2018 |
| | – | Cathy Becker | 2011 | to | 2023 |
| | | Pam Earlywine | 2011 | to | 2017 |
| | | Stephen Hayes Jr. | 2015 | to | 2021 |
| | | Brad Bihl | 2017 | to | 2020 |
| | | Bill Brown | 2019 | to | 2020 |
| | | Jason Ward | 2020 | to | 2026 |
| | | David Williamson | 2020 | to | 2021 |
| | | Mat Berger | 2021 | to | 2025 |
| | | Travis Frame | 2022 | to | present |
| | | Michelle Walther | 2022 | to | 2024 |
| | | Lisa Bihl | 2023 | to | present |
| | | Mitchell Jordan | 2025 | to | present |
| | | Julie Berger | 2025 | to | present |
| | * | Deceased | | | |
| | + | Past Chairman of State Association of | | | |
| | | Soil & Water Conservation District Supervisors | | | |
| | ^ | Past Area V Chairman for the | | | |
| | | Soil & Water Conservation District Supervisors | | | |
| | – | NSE Region Director | | | |