| 2025 | Calderwood Charitable Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2024 | Edith H Overly Foundation | 990PF | Trustee | 1 | $40,287 | $0 | View return |
| 2024 | Ruby W and Lavon P Linn Foundation | 990PF | Trustee | 1 | $40,000 | $0 | View return |
| 2024 | Pattony Foundation | 990PF | Trustee | 1 | $8,367 | $0 | View return |
| 2024 | Wade Research Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2024 | Calderwood Charitable Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2024 | J David Lowell Foundation Inc. | 990PF | Vice President | 5 | $0 | $0 | View return |
| 2023 | The Lowell Institute | 990PF | Trustee | 1 | $83,144 | $0 | View return |
| 2023 | Edith H Overly Foundation | 990PF | Trustee | 1 | $36,330 | $0 | View return |
| 2023 | Ruby W and Lavon P Linn Foundation | 990PF | Trustee | 1 | $32,000 | $0 | View return |
| 2023 | Pattony Foundation | 990PF | Trustee | 1 | $7,538 | $0 | View return |
| 2023 | Calderwood Charitable Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | Wade Research Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2023 | J David Lowell Foundation Inc. | 990PF | Director | 5 | $0 | $0 | View return |
| 2023 | Wgbh Educational Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Greenwood Research Foundation Inc | 990PF | Director (End 11/2024) | 1 | $0 | $0 | View return |
| 2023 | Northeastern University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | The Lowell Institute | 990PF | Trustee | 1 | $77,428 | $0 | View return |
| 2022 | Trust U/W Amy Lowell 10Th Clause Conrad W Oberdorfer Tr | 990 | Trustee | 1 | $26,210 | $0 | View return |
| 2022 | Ruby W and Lavon P Linn Foundation | 990PF | Trustee | 1 | $24,000 | $0 | View return |
| 2022 | Edith H Overly Foundation | 990PF | Trustee | 1 | $21,218 | $0 | View return |
| 2022 | Pattony Foundation | 990PF | Trustee | 1 | $7,450 | $0 | View return |
| 2022 | Hoffman Family Foundation Stephen Moore & Roger Thomas Trustees | 990PF | Trustee | 3 | $1,288 | $0 | View return |
| 2022 | Philip Hofer Charitable Trust | 990 | Trustee (Part Year) | 1 | $0 | $0 | View return |
| 2022 | Wade Research Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2022 | Garland Memorial Fund | 990 | Trustee (End 4/2022) | 1 | $0 | $0 | View return |
| 2022 | Calderwood Charitable Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | Greenwood Research Foundation Inc | 990PF | Director | 1 | $0 | $0 | View return |
| 2022 | Wgbh Educational Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Northeastern University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | The Lowell Institute | 990PF | Trustee | 1 | $28,498 | $0 | View return |
| 2021 | Ruby W and Lavon P Linn Foundation | 990PF | Trustee | 1 | $18,000 | $0 | View return |
| 2021 | Pattony Foundation | 990PF | Trustee | 1 | $3,613 | $0 | View return |
| 2021 | Hoffman Family Foundation Stephen Moore & Roger Thomas Trustees | 990PF | Trustee | 3 | $2,704 | $0 | View return |
| 2021 | Trowbridge Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | Philip Hofer Charitable Trust | 990 | Managing Trustee | 1 | $0 | $0 | View return |
| 2021 | Edith H Overly Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | Wade Research Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2021 | Calderwood Charitable Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | Garland Memorial Fund | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Northeastern University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | Greenwood Research Foundation Inc | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | Wgbh Educational Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Hoffman Family Foundation Stephen Moore & Roger Thomas Trustees | 990PF | Trustee | 3 | $2,504 | $0 | View return |
| 2020 | Calderwood Charitable Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | Wade Research Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2020 | Pattony Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | Edith H Overly Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | Trowbridge Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | The Cure Cancer Foundation Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2020 | Ruby W and Lavon P Linn Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | Elfers Foundation Inc. | 990PF | Secretary/Clerk | 1 | $0 | $0 | View return |
| 2020 | The Lowell Institute | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | Philip Hofer Charitable Trust | 990 | Managing Trustee | 1 | $0 | $0 | View return |
| 2020 | Trust U/W Amy Lowell 10Th Clause Conrad W Oberdorfer Tr | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Greenwood Research Foundation Inc | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | Northeastern University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | Garland Memorial Fund | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Wgbh Educational Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Hoffman Family Foundation Stephen Moore & Roger Thomas Trustees | 990PF | Trustee | 3 | $2,521 | $0 | View return |
| 2019 | The Lowell Institute | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | Ruby W and Lavon P Linn Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | Wade Research Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2019 | Pattony Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | Elfers Foundation Inc. | 990PF | Secretary/Clerk | 1 | $0 | $0 | View return |
| 2019 | The Cure Cancer Foundation Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2019 | Greenwood Research Foundation Inc | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | Wgbh Educational Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Isabella M Weld Trust Dated 3311910 | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Trust U/W Amy Lowell 10Th Clause Conrad W Oberdorfer Tr | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Northeastern University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | Hoffman Family Foundation Stephen Moore & Roger Thomas Trustees | 990PF | Trustee | 3 | $2,604 | $0 | View return |
| 2018 | Wade Research Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2018 | Isabella M Weld Trust Dated 3311910 | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Trust U/W Amy Lowell 10Th Clause Conrad W Oberdorfer Tr | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Wgbh Educational Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Northeastern University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | The Cure Cancer Foundation Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | Hoffman Family Foundation Stephen Moore & Roger Thomas Trustees | 990PF | Trustee | 3 | $2,631 | $0 | View return |
| 2017 | Wade Research Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2017 | Wgbh Educational Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Isabella M Weld Trust Dated 3311910 | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Northeastern University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | Trust U/W Amy Lowell 10Th Clause Conrad W Oberdorfer Tr | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Wade Research Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2016 | Trust U/W Amy Lowell 10Th Clause Conrad W Oberdorfer Tr | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Wgbh Educational Foundation | 990 | Vice Chair | 2 | $0 | $0 | View return |
| 2016 | Isabella M Weld Trust Dated 3311910 | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Northeastern University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | Perkins School for the Blind | 990 | Vice Chairperson | 5 | $0 | $0 | View return |
| 2015 | Wade Research Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2015 | Samchai | 990 | Past President | 1 | $0 | $0 | View return |
| 2015 | Wgbh Educational Foundation | 990 | Vice Chair | 2 | $0 | $0 | View return |
| 2015 | Isabella M Weld Trust Dated 3311910 | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Trust U/W Amy Lowell 10Th Clause Conrad W Oberdorfer Tr | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Northeastern University | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Perkins School for the Blind | 990 | Vice Chairperson | 5 | $0 | $0 | View return |
| 2014 | The Wisconsin Project on Nuclear Arms Control | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2014 | Trust U/W Amy Lowell 10Th Clause Conrad W Oberdorfer Tr | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Perkins School for the Blind | 990 | Vice Chairperson | 5 | $0 | $0 | View return |
| 2014 | Northeastern University | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Wgbh Educational Foundation | 990 | Vice Chair | 2 | $0 | $0 | View return |
| 2014 | Isabella M Weld Trust Dated 3311910 | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Samchai | 990 | President | 1 | $0 | $0 | View return |
| 2013 | Community Foundation of West Texas | 990 | Director | 2.5 | $0 | $0 | View return |
| 2013 | The Wisconsin Project on Nuclear Arms Control | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2013 | Perkins School for the Blind | 990 | Vice Chairperson | 5 | $0 | $0 | View return |
| 2013 | Isabella M Weld Trust Dated 3311910 | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Samchai | 990 | President | 1 | $0 | $0 | View return |
| 2013 | Trust U/W Amy Lowell 10Th Clause Conrad W Oberdorfer Tr | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Wgbh Educational Foundation | 990 | Trustee | 1 | $0 | $0 | View return |