| 2002– | Douglas E. Levens '92 |
| 1997–2002 | Thomas J. Bruno '90 |
| 1993–1997 | T. Scot Brown '81 |
| 1992–1993 | William L. Meli '70 |
| 1988–1992 | Andre Martecchini '78 |
| 1984–1988 | Bob Woodworth '71 |
| 1974–1984 | Henry B. McNulty '69 |
| –1974 | Wayne Mezitt '64 |
| – | John “Duke” Schneider '58 |
| 1952– | E.T. Moore '48 |
| 1941–1952 | E.F. Hall '24 |
Notes
The chapter record is incomplete in many locations, since most files that have survived relate to the operations of the active chapter rather than the alumni chapter. Anyone who can clarify or expand this list is asked to contact Jason Cho '98 at historian@iswza.org.