| Term | Name | Title |
| 1939-1953 | Walter Ball | Secretary/ Treasurer |
| 1954-1955 | W.A. Harvey | Secretary/ Treasurer |
| 1956-1957 | W.C. Robocker | Secretary/ Treasurer |
| 1958-1959 | W.R. Furtick | Secretary/ Treasurer |
| 1960-1961 | Eugene Heikes | Secretary/ Treasurer |
| 1962-1963 | Edward Boles | Secretary/ Treasurer |
| 1964-1966 | Edward Boles | Business Manager |
| 1967-1989 | LaMar Anderson | Treasurer / Business Manager |
| 1990-2006 | Wanda Graves | Treasurer / Business Manager |
| 2007-2017 | Phil Banks | Treasurer / Business Manager |
| 2017-2018 | Tara Steinke | Treasurer / Business Manager |
| 2018- | Kala Travis | Treasurer / Business Manager |
Western Society of Weed Science
