| 2024 | Princeton City School District Scholarship Board | 990 | Member | 0 | $0 | $0 | View return |
| 2023 | Princeton City School District Scholarship Board | 990 | Member | 0 | $0 | $0 | View return |
| 2022 | Princeton City School District Scholarship Board | 990 | Member | 0 | $0 | $0 | View return |
| 2021 | Princeton City School District Scholarship Board | 990 | Member | 0 | $0 | $0 | View return |
| 2021 | Citizens for Conservation Inc. | 990 | Director | 4 | $0 | $0 | View return |
| 2020 | Princeton City School District Scholarship Board | 990 | Member | 0 | $0 | $0 | View return |
| 2020 | Citizens for Conservation Inc. | 990 | Director | 4 | $0 | $0 | View return |
| 2019 | Princeton City School District Scholarship Board | 990 | Member | 0 | $0 | $0 | View return |
| 2019 | Citizens for Conservation Inc. | 990 | Director | 4 | $0 | $0 | View return |
| 2019 | Ecological Landscape Alliance Inc. | 990EZ | Director | 0.5 | $0 | $0 | View return |
| 2018 | Princeton City School District Scholarship Board | 990 | Member | 0 | $0 | $0 | View return |
| 2018 | Citizens for Conservation Inc. | 990 | Director | 4 | $0 | $0 | View return |
| 2017 | Citizens for Conservation Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2017 | Barrington Area Development Council Inc. | 990EZ | Director | 2 | $0 | $0 | View return |
| 2017 | Princeton City School District Scholarship Board | 990 | Member | 0 | $0 | $0 | View return |
| 2016 | Princeton City School District Scholarship Board | 990 | Member | 0 | $0 | $0 | View return |
| 2016 | Barrington Area Development Council Inc. | 990 | Secretary | 5 | $0 | $0 | View return |
| 2016 | Citizens for Conservation Inc. | 990 | Director | 3 | $0 | $0 | View return |
| 2015 | Princeton City School District Scholarship Board | 990 | Member | 0 | $0 | $0 | View return |
| 2015 | Citizens for Conservation Inc. | 990 | Director | 2.5 | $0 | $0 | View return |
| 2015 | Barrington Area Development Council Inc. | 990EZ | Secretary | 2 | $0 | $0 | View return |
| 2015 | Ecological Landscape Alliance Inc. | 990EZ | Director | 0.5 | $0 | $0 | View return |
| 2014 | Citizens for Conservation Inc. | 990 | Director | 3 | $0 | $0 | View return |
| 2014 | Princeton City School District Scholarship Board | 990 | Member | 0 | $0 | $0 | View return |
| 2014 | Ecological Landscape Alliance Inc. | 990EZ | Director | 0.5 | $0 | $0 | View return |
| 2013 | Barrington Area Development Council Inc. | 990EZ | Secretary | 2 | $0 | $0 | View return |
| 2013 | Grow Food Northampton Inc. | 990 | Director | 5 | $0 | $0 | View return |
| 2013 | Citizens for Conservation Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Ecological Landscape Alliance Inc. | 990EZ | Director | 0.5 | $0 | $0 | View return |