| 1949 | George Tauer |
| 1950 | Alex Reed |
| 1951 | Doyal Sorenson |
| 1952 | Dwight Thurber |
| 1953 | Ed Klopp |
| 1954 | William Lloyd |
| 1955 | Les Comstock |
| 1956 | Archie Ackerman |
| 1957 | William Gernes |
| 1958 | Dr. Ross Robertson |
| 1959 | William Dodge (Past Potentate Osman 1967) |
| 1960 | Phil Halling |
| 1961 | Bill Benjamin |
| 1962 | Horace Gillman |
| 1963 | Ralph Edwards |
| 1964 | Harold Blaisdell |
| 1965 | Joseph H. Dingle |
| 1966 | Bernie Lusk |
| 1967 | Lloyd Stoddard |
| 1968 | Harry S. Drosos |
| 1969 | Robert J. Flynn |
| 1970 | Phil Meyer |
| 1971 | Milt Coppe |
| 1972 | Al Brekke |
| 1973 | Richard F. Hawkins |
| 1974 | Cecil S. Morris |
| 1975 | Peter Canellos |
| 1976 | James Keehn |
| 1977 | John Perkins (Past Potentate Osman 1996) |
| 1978 | Allen I. Koenig (Past Potentate Osman (1985) |
| 1979 | D. Hartley Barry |
| 1980 | Bert Alexander Jr. |
| 1981 | Norrin L. Storelee |
| 1982 | Herbert Ney |
| 1983 | Don Yngsdal |
| 1984 | Dick Flynn |
| 1985 | David Hawkins (Past Potentate Osman 1993) |
| 1986 | Charles Schleder |
| 1987 | Ed Highum |
| 1988 | Gregory J. Pepin |
| 1989 | Marv Ramsay |
| 1990 | Richard Thompson (Past Potentate Osman 2002) |
| 1991 | Denny Weestrand |
| 1992 | Mark S. Anderson |
| 1993 | Richard L. Armstrong |
| 1994 | Dr. James Mann Judisch |
| 1995 | Gene L. Johnson |
| 1996 | Ernie Flury |
| 1997 | Rahn S. Lund (Past Potentate Osman 2005) |
| 1998 | Kent Johnson |
| 1999 | Sean Krauss |
| 2000 | John Brockman Jr (Past Potentate Osman 2011) |
| 2001-2002 | Robert Sellers |
| 2003 | Christopher Koenig |
| 2004 | Steve Groteboer |
| 2005 | Roger Berge (Past Potentate Osman 2014) |
| 2006 | Jim Renn |
| 2007 | Jim Zwiener |
| 2008 | Dan Harris |
| 2009 | Russ Billings |
| 2010 | Paul Main |
| 2011-2012 | Arthur L. Pavlish |
| 2013 | Larry F. Norte (Past Potentate Osman 2020) |
| 2014 | Robert Gregor |
| 2015 | Ryan Colligan |
| 2016 | Dan Rasmussen |
| 2017 | Steve Groteboer |
| 2018 | Mike Smith |
| 2019 | Daniel Groteboer |
| 2020 | Paul M. Peterson |
| 2021 | Shawn Davis |
| 2022 | Brian Jennings |
| 2023 | Matthew Verdick |
| 2024 | Bruce Thomas (Past Potentate Osman 2016) |
| 2025 | Jason Kennedy |
| 2026 | Mike Smith |