| Year | Professor/Instructor | Operator |
|---|---|---|
| 2023 | Skylar Rinker | Jacob Parr |
| 2022 | Skylar Rinker | Jacob Parr |
| 2021 | Skylar Rinker | Jacob Parr |
| 2020 | Skylar Rinker | Jacob Parr |
| 2019 | Skylar Rinker Robby Frutchey | Jacob Parr Greg Vogel |
| 2018 | Robby Frutchey | Greg Vogel |
| 2017 | Robby Frutchey | Greg Vogel |
| 2016 | Robby Frutchey | Greg Vogel |
| 2015 | Thomas Paulsen | Greg Vogel |
| 2014 | Thomas Paulsen | Greg Vogel |
| 2013 | Thomas Paulsen | Greg Vogel |
| 2012 | Thomas Paulsen | Greg Vogel |
| 2011 | Thomas Paulsen | Greg Vogel |
| 2010 | Thomas Paulsen | Greg Vogel |
| 2009 | Thomas Paulsen | Greg Vogel |
| 2008 | Thomas Paulsen | Greg Vogel |
| 2007 | Tyler Schau | Greg Vogel |
| 2006 | Charles R. Steiner | Greg Vogel |
| 2005 | Charles R. Steiner | Greg Vogel |
| 2004 | Charles R. Steiner | Greg Vogel |
| 2003 | Larry D. Trede | Greg Vogel |
| 2002 | Larry D. Trede | Greg Vogel |
| 2001 | Larry D. Trede | Greg Vogel |
| 2000 | Larry D. Trede | Greg Vogel |
| 1999 | Larry D. Trede | Greg Vogel |
| 1998 | Larry D. Trede | Greg Vogel |
| 1997 | Larry D. Trede | Greg Vogel |
| 1996 | Larry D. Trede | Greg Vogel |
| 1995 | W. Wade Miller | Greg Vogel |
| 1994 | W. Wade Miller | Greg Vogel |
| 1993 | W. Wade Miller | Greg Vogel |
| 1992 | W. Wade Miller | Greg Vogel |
| 1991 | Richard Hall | Craig Taylor |
| 1990 | Richard Hall | Craig Taylor |
| 1989 | Richard Hall | Bruce Knoke |
| 1988 | Joe Dunn | Bruce Knoke |
| 1987 | Randy Madden | Bruce Knoke |
| 1986 | Stewart Galoway | Bruce Knoke |
| 1985 | Stewart Galoway | Bruce Knoke |
| 1984 | Stewart Galoway | Bruce Knoke |
| 1983 | Mark S. Honeyman | William Connolly |
| 1982 | Mark S. Honeyman | William Connolly |
| 1981 | Mark S. Honeyman | William Connolly |
| 1980 | Mark S. Honeyman | Arvine Foll |
| 1979 | Ronald J. Herr | Arvine Foll |
| 1978 | Ronald J. Herr | Arvine Foll |
| 1977 | Ronald J. Herr | Michael Christensen |
| 1976 | L. Craig Harris | Steve Legrold |
| 1975 | Jack L. Alexander | Ricky Bozwell |
| 1974 | Jack L. Alexander | Ricky Bozwell |
| 1973 | Dale Weber | Boyd Brink |
| 1972 | Dale Weber | Boyd Brink |
| 1971 | Dale Weber | Boyd Brink |
| 1970 | Philip Gibson | Boyd Brink |
| 1969 | Neil Patrick | Boyd Brink |
| 1968 | Neil Patrick | Boyd Brink |
| 1967 | Neil Patrick | Boyd Brink |
| 1966 | Neil Patrick | Boyd Brink |
| 1965 | Jack L. Alexander | Boyd Brink |
| 1964 | Jack L. Alexander | Boyd Brink |
| 1963 | James L. Wallace | Boyd Brink |
| 1962 | James L. Wallace | Boyd Brink |
| 1961 | James L. Wallace | Boyd Brink |
| 1960 | James L. Wallace | Boyd Brink |
| 1959 | James L. Wallace | Boyd Brink |
| 1958 | James L. Wallace | Boyd Brink |
| 1957 | James L. Wallace | Boyd Brink |
| 1956 | James L. Wallace | Hugo Plant |
| 1955 | James L. Wallace | Hugo Plant |
| 1954 | James L. Wallace | Hugo Plant |
| 1953 | Robert L. Skinner | Hugo Plant |
| 1952 | Robert L. Skinner | Hugo Plant Lloyd Olsen |
| 1951 | Robert L. Skinner | Charles Purdue Lloyd Olsen Roy Picht |
| 1950 | S. K. (Ken) Oakleaf L. M. (Lewis) Thompson | Roy Picht |
| 1949 | A. T. (Alf) Odegaard | Roy Picht |
| 1948 | A. T. (Alf) Odegaard | Roy Picht |
| 1947 | A. T. (Alf) Odegaard | Roy Picht |
| 1946 | J. M. (Milt) Holcomb | Roy Picht |
| 1945 | J. M. (Milt) Holcomb | Roy Picht |
| 1944 | J. M. (Milt) Holcomb | Roy Picht |
| 1943 | William G. Murray | Roy Picht |