O.A.R.S. Presidents
| Stanley H. Collins | 1972 - 1974 |
| Ernest D. Scullion | 1974 - 1976 |
| B. Sen Mathur | 1976 - 1978 |
| David K. Erb | 1978 - 1979 |
| S. J. Glenn Bird | 1979 - 1982 |
| Edward Wedler | 1982 |
| Philip J. Howarth | 1982 - 1986 |
| Richard N. Pierce | 1986 - 1988 |
| Anne Tyrie | 1988 - 1990 |
| Thomas L. Erb | 1990 - 1992 |
| Joseph M. Piwowar | 1992 - 1994 |
| Simsek Pala | 1994 - 1997 |
| Ellsworth F. LeDrew | 1997 - 2000 |
| Anthony P. Sani | 2000 - 2004 |
| Roger Buxton | 2004 - 2009 |
| Irene Rubenstein | 2009 |