P.O. Box 3274, Boulder, Colorado, USA 80307
The Executive Committee oversees and manages the operations of the Institute.
| Years | President | Vice-President | Secretary | Treasurer | Past President |
|---|---|---|---|---|---|
| 2026 | Betsy Suppes | Zack Smith | Darwin Werthessen | David Falkenstern | - |
| 2025 | Darwin Werthessen | Betsy Suppes | Zack Smith | David Falkenstern | David Shetler |
| 2024 | Darwin Werthessen | Betsy Suppes | Zack Smith | Charles G. Howard | David Shetler |
| 2023 | David Shetler | Darwin Werthessen | Betsy Suppes | Charles G. Howard | John B. Gustavson |
| 2022 | David Shetler | Darwin Werthessen | Betsy Suppes | Charles G. Howard | John B. Gustavson |
| 2021 | John B. Gustavson | David Shetler | Darwin Werthessen | Charles G. Howard | Timothy S. Knobloch |
| 2020 | John B. Gustavson | David Shetler | Darwin Werthessen | Charles G. Howard | Timothy S. Knobloch |
| 2019 | Timothy S. Knobloch | John B. Gustavson | David Shetler | Charles G. Howard | John J. Manes |
| 2018 | Timothy S. Knobloch | John B. Gustavson | David Shetler | Charles G. Howard | John J. Manes |
| 2017 | John J. Manes | John B. Gustavson | Timothy S. Knobloch | Charles G. Howard | Fredric L. Pirkle |
| 2016 | John J. Manes | John B. Gustavson | Timothy S. Knobloch | Charles G. Howard | Fredric L. Pirkle |
| 2015 | John J. Manes | John B. Gustavson | Timothy S. Knobloch | Charles G. Howard | Fredric L. Pirkle |
| 2014 | John J. Manes | John B. Gustavson | Timothy S. Knobloch | Charles G. Howard | Fredric L. Pirkle |
| 2013 | Fredric L. Pirkle | Mitch Albert | John J. Manes | Charles G. Howard | John B. Gustavson |
| 2012 | Fredric L. Pirkle | Mitch Albert | John J. Manes | Charles G. Howard | John B. Gustvason |
| 2011 | John B. Gustavson | John J. Manes | Don Warnken | William Bagby | Bob Frahme |
| 2010 | John B. Gustavson | John J. Manes | Don Warnken | William Bagby | Bob Frahme |
| 2009 | John B. Gustavson | John Chance | Don Warnken | William Bagby | Bob Frahme |
| 2008 | John B. Gustavson | John Chance | Don Warnken | William Bagby | Bob Frahme |
| 2007 | Bob Frahme | Charles Melbye | John B. Gustavson | William Bagby | Michael Cartwright |
| 2006 | Michael Cartwright | Charles Melbye | John B. Gustavson | Bob Frahme | Don Warnken |
| 2005 | Don Warnken | Michael Cartwright | John B. Gustavson | Alan Stagg | Edwin Moritz |
| 2004 | Edwin Moritz | Don Warnken | John B. Gustavson | Alan Stagg | Sam Pickering |
| 2003 | Sam Pickering | Edwin Moritz | John B. Gustavson | Lawrence Gregg | Trevor Ellis |
| 2002 | Trevor Ellis | Sam Pickering | John B. Gustavson | Edwin Moritz | Michael Cartwright |
| 2001 | Trevor Ellis | Sam Pickering | John B. Gustavson | Edwin Moritz | Michael Cartwright |
| 2000 | Michael Cartwright | Trevor Ellis | John B. Gustavson | Edwin Moritz | - |
| 1999 | Michael Cartwright | Trevor Ellis | John B. Gustavson | Edwin Moritz | - |
| 1998 | Michael Cartwright | Trevor Ellis | J. Paul Fly | Edwin Moritz | John B. Gustavson |
| 1997 | John B. Gustavson | Michael Cartwright | J. Paul Fly | Trevor Ellis | - |
| 1996 | John B. Gustavson | Don Warnken | J. Paul Fly | Trevor Ellis | - |
| 1995 | John B. Gustavson | Don Warnken | J. Paul Fly | Trevor Ellis | - |