| 2024 | The Katharine Bradford Foundation | 990PF | Trustee (See Footnote) | 1 | $0 | - | View return |
| 2024 | Norfolk Foundation Inc. | 990PF | President | 3 | $0 | $0 | View return |
| 2023 | Norfolk Land Trust Inc. | 990 | Co-President | 2 | $0 | $0 | View return |
| 2023 | Norfolk Foundation Inc. | 990PF | President | 3 | $0 | $0 | View return |
| 2023 | Open Space Institute Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2023 | The Katharine Bradford Foundation | 990PF | Trustee (See Footnote) | 1 | $0 | - | View return |
| 2023 | Open Space Institute Land Trust Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2022 | Open Space Institute Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2022 | The Katharine Bradford Foundation | 990PF | Trustee (See Footnote) | 1 | $0 | - | View return |
| 2022 | Norfolk Foundation Inc. | 990PF | President | 5 | $0 | $0 | View return |
| 2022 | Norfolk Land Trust Inc. | 990 | Co-President | 2 | $0 | $0 | View return |
| 2022 | Open Space Institute Land Trust Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2021 | Norfolk Land Trust Inc. | 990 | President | 2 | $1,200 | $0 | View return |
| 2021 | Open Space Institute Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Norfolk Foundation Inc. | 990PF | President | 5 | $0 | $0 | View return |
| 2021 | The Katharine Bradford Foundation | 990PF | Trustee (See Footnote) | 1 | $0 | - | View return |
| 2021 | Open Space Institute Land Trust Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Norfolk Land Trust Inc. | 990 | President | 2 | $1,200 | $0 | View return |
| 2020 | Greater Ny Overeaters Anonymous Intergroup | 990EZ | Director | 5 | $0 | $0 | View return |
| 2020 | Open Space Institute Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Open Space Institute Land Trust Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | The Katharine Bradford Foundation | 990PF | Trustee (See Footnote) | 1 | $0 | - | View return |
| 2019 | Norfolk Land Trust Inc. | 990 | President | 2 | $1,200 | $0 | View return |
| 2019 | The Katharine Bradford Foundation | 990PF | Trustee (See Footnote) | 1 | $0 | - | View return |
| 2019 | Coalition for Sound Growth of Norfolk Inc | 990EZ | Treasurer | 2 | $0 | - | View return |
| 2019 | Open Space Institute Land Trust Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Norfolk Foundation Inc. | 990PF | Treasurer | 2 | $0 | $0 | View return |
| 2019 | Open Space Institute Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Norfolk Land Trust Inc. | 990 | President | 2 | $600 | $0 | View return |
| 2018 | Norfolk Foundation Inc. | 990PF | Treasurer | 2 | $0 | $0 | View return |
| 2018 | Open Space Institute Land Trust Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | The Katharine Bradford Foundation | 990PF | Trustee (See Footnote) | 1 | $0 | - | View return |
| 2018 | Coalition for Sound Growth of Norfolk Inc | 990EZ | Treasurer | 2 | $0 | - | View return |
| 2018 | Open Space Institute Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | The Katharine Bradford Foundation | 990PF | Trustee (See Footnote) | 1 | $0 | - | View return |
| 2017 | Doolittle Club Inc | 990EZ | Director | 1 | $0 | - | View return |
| 2017 | Norfolk Land Trust Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2017 | Coalition for Sound Growth of Norfolk Inc | 990EZ | Treasurer | 2 | $0 | - | View return |
| 2017 | Norfolk Foundation Inc. | 990PF | Treasurer | 2 | $0 | $0 | View return |
| 2017 | The Katharine Bradford Foundation | 990PF | Trustee (See Footnote) | 1 | $0 | - | View return |
| 2017 | Open Space Institute Land Trust Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Open Space Institute Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Doolittle Club Inc | 990EZ | Director | 1 | $0 | - | View return |
| 2016 | The Katharine Bradford Foundation | 990PF | Trustee (See Footnote) | 1 | $0 | - | View return |
| 2016 | Norfolk Land Trust Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2016 | Open Space Institute Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Open Space Institute Land Trust Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | The Katharine Bradford Foundation | 990PF | Trustee (See Footnote) | 1 | $0 | - | View return |
| 2015 | Norfolk Land Trust Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2015 | Open Space Institute Land Trust Inc. | 990 | Trustee | 3 | $0 | $0 | View return |
| 2015 | Doolittle Club Inc | 990EZ | Treasurer | 3 | $0 | - | View return |
| 2015 | Open Space Institute Inc. | 990 | Board Member | 3 | $0 | $0 | View return |
| 2014 | Norfolk Land Trust Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2014 | Open Space Institute Inc. | 990 | Treasurer | 3 | $0 | $0 | View return |
| 2014 | Open Space Institute Land Trust Inc. | 990 | Treasurer | 3 | $0 | $0 | View return |
| 2013 | Open Space Institute Inc. | 990 | Treasurer | 3 | $0 | $0 | View return |
| 2013 | Norfolk Land Trust Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2012 | The Jane Coffin Childs Memorial Fund for Medical Research | 990PF | Director | 1 | $0 | $0 | View return |
| 2011 | The Jane Coffin Childs Memorial Fund for Medical Research | 990PF | Director | 1 | $0 | $0 | View return |
| 2010 | The Jane Coffin Childs Memorial Fund for Medical Research | 990PF | Director | 1 | $0 | $0 | View return |