| 2022- Ruth A. Roberts |  | 2021- A. Wallace Hayes |  |
| 2019- William Slikker, Jr. |  | 2020- Samuel M. Cohen |  |
| 2017- Jack H. Dean |  | 2018- Linda S. Birnbaum |  |
| 2015 - I. Glenn Sipes |  | 2016- Melvin E. Andersen |  |
| 2013 - John Doull |  | 2014- Roger O. McClellan |  |
| 2011 - Bruce Ames |  | 2012 - Curt Klaassen |  |
