| George Brady Connor | Director | 17 Feb 2016 | 15 Sept 2017 | American | 58 years |
| James Joseph Jordan | Director | 8 Sept 1993 | 8 Oct 1996 | American | 70 years |
| James Joseph Jordan | Director | 8 Sept 1997 | 30 Apr 2007 | U S Citizen | 70 years |
| Kee Chan Sin | Director | 21 Sept 2017 | 6 Sept 2024 | American | 63 years |
| Louis Charles Lustenberger V | Director | 17 Feb 2016 | 28 Apr 2023 | American | 62 years |
| Marva M Levine | Director | 27 Sept 1993 | 18 Oct 1993 | American | 68 years |
| Michael David Flynn | Director | 8 Sept 1993 | 30 Sept 2001 | U S Citizen | 81 years |
| Michael David Flynn | Secretary | 8 Sept 1993 | 30 Sept 2001 | U S Citizen | - |
| Paul Howard Repp | Director | 12 Sept 2007 | 16 Feb 2016 | American | 70 years |
| Peter Duncan Rutherford | Director | 9 Sept 1993 | 27 Sept 1993 | American | 63 years |
| Peter Duncan Rutherford | Director | 8 Oct 1996 | 31 Dec 2015 | American | 63 years |
| Richard Edward Lucey | Director | 8 Sept 1993 | 21 Mar 1997 | American | 78 years |
| Richard Francis Krakowski | Director | 30 Sept 2001 | 28 Dec 2018 | American | 71 years |
| Richard Francis Krakowski | Secretary | 30 Sept 2001 | 28 Dec 2018 | American | - |
| Theresa Ann Buckley Brasco | Director | 27 Sept 1993 | 18 Oct 1993 | American | 71 years |
| Thomas Gerard Quinn | Director | 9 Sept 1993 | 27 Sept 1993 | British | 67 years |