Indiana College
Past Chief Adepts
- Carl A. Ploch 1957–1961
- William R. Dexheimer 1961–1964
- Kenneth E. Yates 1964–1967
- Alex M. Clark 1967–1988
- James R. Phillippe 1988–2003
- James S. DeMond 2003–2006
- George E. Proctor 2006–2010
- Michael D. Brumback 2010–2016
- Roger S. VanGorden 2016–2026