The Omicron Alumni Association is the chapter alumni organization of Omicron Zeta. These men have served as its president. See notes on this list
| 2016– | Rick M. Meigs '80 |
| 2015–2016 | Mark E. Fernau '82 |
| 2012–2015 | Michael R. Filiatrault '95 |
| 2011–2012 | John F. Zelenka '04 |
| 2010–2011 | Mohamad B. Jardaneh '08 |
| 2008–2010 | Jason J. Cho '98 |
| 2002–2008 | 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 |
| 1978–1984 | Henry B. McNulty '69 |
| 1974-1978 | Wayne Mezitt '64 |
| 1964–1974 | John “Duke” Schneider '58 |
| 1961 –1964 | Bob Ready '54 O-741 |
| 1952–1961 | E.T. Moore '48 |
| 1936–1952 | E.F. Hall '24 |
| 1931-1936 | Ernst J.C. Fischer ’10 |
| 1927–1931 | Clarence T. Keet '15 |
| 1923–1927 | Frederick T. Comstock '21 |
| 1919–1923 | Leon M. Brockway '08 |
Notes
The operations of Omicron Zeta’s house corporation (ISWZA Fraternity, Inc.) and alumni association (the Omicron Alumni Association) were administratively merged between 1948 and 2016. For more background, please see A Brief History of the Omicron Alumni Association.