| 2024 | The Slater Foundation Inc | 990PF | Vice-President | 12 | $0 | $0 | View return |
| 2023 | The Slater Foundation Inc | 990PF | Vice-President | 12 | $0 | $0 | View return |
| 2023 | New England Aquarium Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | New England Aquarium Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | The Slater Foundation Inc | 990PF | Vice-President | 12 | $0 | $0 | View return |
| 2021 | The Slater Foundation Inc | 990PF | Vice-President | 12 | $0 | $0 | View return |
| 2020 | The Slater Foundation Inc | 990PF | Vice-President | 12 | $0 | $0 | View return |
| 2020 | Fair Hill Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | The Slater Foundation Inc | 990PF | Vice-President | 12 | $0 | $0 | View return |
| 2019 | Fair Hill Foundation Inc. | 990 | President | 0 | $0 | $0 | View return |
| 2019 | Fair Hill Foundation Inc. | 990 | President | 0 | $0 | $0 | View return |
| 2018 | The Slater Foundation Inc | 990PF | Vice-President | 12 | $0 | $0 | View return |
| 2018 | Fair Hill Foundation Inc. | 990 | President | 0 | $0 | $0 | View return |
| 2017 | Fair Hill Foundation Inc. | 990EZ | President | 3 | $0 | $0 | View return |
| 2017 | Temple Gwathmey Steeplechase Foundation Inc. | 990 | President | 1 | $0 | $0 | View return |
| 2017 | The Slater Foundation Inc | 990PF | Vice-President | 12 | $0 | $0 | View return |
| 2016 | The Slater Foundation Inc | 990PF | Vice-President | 12 | $0 | $0 | View return |
| 2016 | Quest Therapeutic Services Inc. | 990 | Vice President | 1 | $0 | $0 | View return |
| 2016 | The Alliance for Health Equity | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Temple Gwathmey Steeplechase Foundation Inc. | 990 | President | 1 | $0 | $0 | View return |
| 2016 | Cheshire Hunt Conservancy | 990 | President | 1 | $0 | $0 | View return |
| 2015 | Quest Therapeutic Services Inc. | 990 | Vice President | 1 | $0 | $0 | View return |
| 2015 | The Slater Foundation Inc | 990PF | Vice-President | 10 | $0 | $0 | View return |
| 2015 | Temple Gwathmey Steeplechase Foundation Inc. | 990 | President | 0 | $0 | $0 | View return |
| 2015 | Lch Health and Community Services | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Cheshire Hunt Conservancy | 990 | President | 1 | $0 | $0 | View return |
| 2014 | The Slater Foundation Inc | 990PF | Vice-President | 1 | $0 | $0 | View return |
| 2014 | Lch Health and Community Services | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Lch Health and Community Services | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Quest Therapeutic Services Inc. | 990 | Director | 0 | $0 | $0 | View return |
| 2014 | Cheshire Hunt Conservancy | 990 | President | 1 | $0 | $0 | View return |
| 2013 | The Slater Foundation Inc | 990PF | Vice-President | 0 | $0 | $0 | View return |
| 2013 | Quest Therapeutic Services Inc. | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Lch Health and Community Services | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | Cheshire Hunt Conservancy | 990 | Vice President | 0 | $0 | $0 | View return |
| 2012 | The Slater Foundation Inc | 990PF | Vice-President | 0 | $0 | $0 | View return |
| 2011 | The Slater Foundation Inc | 990PF | Vice-President | 0 | $0 | $0 | View return |