| 2024 | New Jersey Conservation Foundation | 990 | 1st Vice President | 10 | $0 | $0 | View return |
| 2023 | New Jersey Conservation Foundation | 990 | 1st Vice President | 10 | $0 | $0 | View return |
| 2023 | Mountain Lakes Holding Corp | 990 | Vice Preside | 0.5 | $0 | $0 | View return |
| 2023 | Friends of Princeton Open Space | 990 | President | 10 | $0 | $0 | View return |
| 2022 | New Jersey Conservation Foundation | 990 | 1st Vice President | 10 | $0 | $0 | View return |
| 2022 | Friends of Princeton Open Space | 990 | President | 10 | $0 | $0 | View return |
| 2022 | Mountain Lakes Holding Corp | 990 | Vice Preside | 0.5 | $0 | $0 | View return |
| 2021 | New Jersey Conservation Foundation | 990 | 1st Vice President | 10 | $0 | $0 | View return |
| 2021 | Mountain Lakes Holding Corp | 990 | Vice Preside | 0.5 | $0 | $0 | View return |
| 2021 | Friends of Princeton Open Space | 990 | President | 10 | $0 | $0 | View return |
| 2020 | New Jersey Conservation Foundation | 990 | First Vice President | 10 | $0 | $0 | View return |
| 2020 | Mountain Lakes Holding Corp | 990 | Vice Preside | 0.5 | $0 | $0 | View return |
| 2020 | Friends of Princeton Open Space | 990 | President | 10 | $0 | $0 | View return |
| 2019 | New Jersey Conservation Foundation | 990 | First Vice President | 10 | $0 | $0 | View return |
| 2019 | Mountain Lakes Holding Corp | 990 | Vice Preside | 5 | $0 | $0 | View return |
| 2019 | Garden Club of Princeton | 990EZ | Corr. Secretary | 2 | $0 | - | View return |
| 2019 | Friends of Princeton Open Space | 990 | President | 10 | $0 | $0 | View return |
| 2018 | New Jersey Conservation Foundation | 990 | Second Vice President | 10 | $0 | $0 | View return |
| 2018 | Mountain Lakes Holding Corp | 990 | Vice Preside | 5 | $0 | $0 | View return |
| 2018 | Friends of Princeton Open Space | 990 | President | 10 | $0 | $0 | View return |
| 2017 | Friends of Princeton Open Space | 990 | President | 5 | $0 | $0 | View return |
| 2017 | Mountain Lakes Holding Corp | 990 | Vice Preside | 5 | $0 | $0 | View return |
| 2016 | Sustainable Princeton Inc | 990EZ | Trustee | 0.5 | $0 | - | View return |
| 2016 | New Jersey Conservation Foundation | 990 | First Vice President | 10 | $0 | $0 | View return |
| 2016 | Friends of Princeton Open Space | 990 | President | 5 | $0 | $0 | View return |
| 2016 | Mountain Lakes Holding Corp | 990 | Vice Preside | 5 | $0 | $0 | View return |
| 2016 | Friends of Princeton Open Space | 990 | President | 5 | $0 | $0 | View return |
| 2015 | Sustainable Princeton Inc | 990EZ | Trustee | 0.5 | $0 | - | View return |
| 2015 | New Jersey Conservation Foundation | 990 | First Vice President | 10 | $0 | $0 | View return |
| 2015 | Mountain Lakes Holding Corp | 990 | Vice Preside | 5 | $0 | $0 | View return |
| 2015 | Friends of Princeton Open Space | 990 | President | 5 | $0 | $0 | View return |
| 2014 | New Jersey Conservation Foundation | 990 | First Vice President | 10 | $0 | $0 | View return |
| 2014 | Friends of Princeton Open Space | 990 | President | 5 | $0 | $0 | View return |
| 2014 | Mountain Lakes Holding Corp | 990 | Vice Preside | 5 | $0 | $0 | View return |
| 2013 | New Jersey Conservation Foundation | 990 | Vice President | 10 | - | - | View return |
| 2013 | Mountain Lakes Holding Corp | 990 | Vice Preside | 5 | $0 | $0 | View return |
| 2013 | Friends of Princeton Open Space | 990 | President | 5 | $0 | $0 | View return |