| 2024 | John E Andrus Memorial Inc. | 990 | Vice Chair | 4 | $0 | $0 | View return |
| 2023 | Helen C Benedict Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2023 | John E Andrus Memorial Inc. | 990 | Vice Chair | 4 | $0 | $0 | View return |
| 2022 | Helen C Benedict Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2022 | John E Andrus Memorial Inc. | 990 | Board Director | 4 | $0 | $0 | View return |
| 2021 | Helen C Benedict Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2021 | John E Andrus Memorial Inc. | 990 | Board Director | 4 | $0 | $0 | View return |
| 2020 | John E Andrus Memorial Inc. | 990 | Board Director | 4 | $0 | $0 | View return |
| 2020 | Helen C Benedict Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2019 | Helen C Benedict Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2019 | John E Andrus Memorial Inc. | 990 | Board Director | 4 | $0 | $0 | View return |
| 2018 | Helen C Benedict Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2018 | John E Andrus Memorial Inc. | 990 | Board Director | 4 | $0 | $0 | View return |
| 2018 | Surdna Foundation Inc Att Marc De Venoge | 990PF | Director | 1 | $0 | $0 | View return |
| 2017 | John E Andrus Memorial Inc. | 990 | Board Director | 4 | $0 | $0 | View return |
| 2017 | Helen C Benedict Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2017 | Surdna Foundation Inc Att Marc De Venoge | 990PF | Director | 1 | $0 | $0 | View return |
| 2017 | Surdna Foundation Inc Att Marc De Venoge | 990PF | Director | 1 | $0 | $0 | View return |
| 2016 | John E Andrus Memorial Inc. | 990 | Board Director | 4 | $0 | $0 | View return |
| 2016 | Surdna Foundation Inc Att Marc De Venoge | 990PF | Chairperson | 1 | $0 | $0 | View return |
| 2015 | John E Andrus Memorial Inc. | 990 | Board Director | 4 | $0 | $0 | View return |
| 2015 | Surdna Foundation Inc Att Marc De Venoge | 990PF | Chairperson | 1 | $0 | $0 | View return |
| 2014 | John E Andrus Memorial Inc. | 990 | Board Director | 4 | $0 | $0 | View return |
| 2014 | Surdna Foundation Inc Att Marc De Venoge | 990PF | Chairperson | 4 | $0 | $0 | View return |
| 2013 | Surdna Foundation Inc Att Marc De Venoge | 990PF | Chairperson | 4 | $0 | $0 | View return |
| 2012 | Surdna Foundation Inc Att Marc De Venoge | 990PF | Director | 2 | $0 | $0 | View return |
| 2011 | Surdna Foundation Inc Att Marc De Venoge | 990PF | Director | 2 | $0 | $0 | View return |
| 2010 | Surdna Foundation Inc Att Marc De Venoge | 990PF | Director | 2 | $0 | $0 | View return |
| 2009 | Surdna Foundation Inc Att Marc De Venoge | 990PF | Director | 2 | $0 | $0 | View return |