| 2025 | New Hampshire Rivers Council | 990 | Vice Preside | 3 | $0 | $0 | View return |
| 2024 | The Stanford Theatre Foundation | 990PF | Chairman/President | 4 | $0 | $0 | View return |
| 2024 | The Packard Humanities Institute | 990PF | Pres/Chair/Director | 30 | $0 | $0 | View return |
| 2024 | New Hampshire Rivers Council | 990EZ | Vice Preside | 3 | $0 | - | View return |
| 2024 | Kismet Rock Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | San Mateo County Law Library Foundation | 990 | Board Member | 2 | $0 | $0 | View return |
| 2024 | Downtown Improvement District Inc Portlands Downtown District | 990 | Director | 2.5 | $0 | $0 | View return |
| 2023 | Connecticut Society of the Sons of the American Revolution | 990 | Property Steward | 0 | $0 | $0 | View return |
| 2023 | Kismet Rock Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | The Stanford Theatre Foundation | 990PF | Chairman/President | 4 | $0 | $0 | View return |
| 2023 | New Hampshire Rivers Council | 990EZ | Vice Preside | 3 | $0 | - | View return |
| 2023 | The Packard Humanities Institute | 990PF | Pres/Chair/Director | 30 | $0 | $0 | View return |
| 2023 | Downtown Improvement District Inc Portlands Downtown District | 990 | Director | 1.5 | $0 | $0 | View return |
| 2022 | Connecticut Society of the Sons of the American Revolution | 990 | Property Steward | 0 | $0 | $0 | View return |
| 2022 | New Hampshire Rivers Council | 990EZ | Vice President | 5 | $0 | $0 | View return |
| 2022 | The Stanford Theatre Foundation | 990PF | Chairman/President | 4 | $0 | $0 | View return |
| 2022 | The Packard Humanities Institute | 990PF | Pres/Chair/Director | 30 | $0 | $0 | View return |
| 2022 | Kismet Rock Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Downtown Improvement District Inc Portlands Downtown District | 990 | Director | 1.5 | $0 | $0 | View return |
| 2021 | The Packard Humanities Institute | 990PF | Pres/Chair/Director | 30 | $0 | $0 | View return |
| 2021 | Connecticut Society of the Sons of the American Revolution | 990 | Property Steward | 0 | $0 | $0 | View return |
| 2021 | The Stanford Theatre Foundation | 990PF | Chairman/President | 4 | $0 | $0 | View return |
| 2021 | New Hampshire Rivers Council | 990EZ | Vice President | 2 | $0 | $0 | View return |
| 2021 | Downtown Improvement District Inc Portlands Downtown District | 990 | Director | 1.5 | $0 | $0 | View return |
| 2021 | Kismet Rock Foundation | 990EZ | Director | 3 | $0 | $0 | View return |
| 2020 | New Hampshire Rivers Council | 990EZ | Vice President | 2 | $0 | $0 | View return |
| 2020 | The Packard Humanities Institute | 990PF | Pres/Chair/Director | 30 | $0 | $0 | View return |
| 2020 | The Stanford Theatre Foundation | 990PF | Chairman/President | 4 | $0 | $0 | View return |
| 2020 | Merrimac Valley Conference Co Thomas Obrien | 990EZ | Director | 1 | $0 | - | View return |
| 2020 | Society of American Military Engineers | 990 | Comm. Council Chair - Until 05/2020 | 1 | $0 | $0 | View return |
| 2020 | Downtown Improvement District Inc Portlands Downtown District | 990 | Board Chair | 2 | $0 | $0 | View return |
| 2019 | International Cryptozoology Museum | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | New Hampshire Rivers Council | 990EZ | Vice President | 2 | $0 | $0 | View return |
| 2019 | The Packard Humanities Institute | 990PF | Pres/Chair/Director | 30 | $0 | $0 | View return |
| 2019 | The Stanford Theatre Foundation | 990PF | Chairman/President | 4 | $0 | $0 | View return |
| 2019 | Society of American Military Engineers | 990 | Committee Council Chair | 1 | $0 | $0 | View return |
| 2019 | Downtown Improvement District Inc Portlands Downtown District | 990 | Board Chair | 2 | $0 | $0 | View return |
| 2018 | International Cryptozoology Museum | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | The Packard Humanities Institute | 990PF | Pres/Chair/Director | 30 | $0 | $0 | View return |
| 2018 | Downtown Improvement District Inc Portlands Downtown District | 990 | Vice Chair | 2 | $0 | $0 | View return |
| 2018 | Connecticut Society of the Sons of the American Revolution | 990 | Real Property Steward | 0 | $0 | $0 | View return |
| 2018 | New Hampshire Rivers Council | 990EZ | Vice President | 2 | $0 | $0 | View return |
| 2018 | Society of American Military Engineers | 990 | Committee Council Chair | 1 | $0 | $0 | View return |
| 2018 | The Stanford Theatre Foundation | 990PF | Chairman/President | 4 | $0 | $0 | View return |
| 2018 | New Hampshire Lakes Association Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | The Memorial Hospital Foundation | 990 | Chair - Bod | 1 | $0 | $0 | View return |
| 2017 | The Packard Humanities Institute | 990PF | Pres/Chair/Director | 30 | $0 | $0 | View return |
| 2017 | Connecticut Society of the Sons of the American Revolution | 990 | Real Property Steward | 0 | $0 | $0 | View return |
| 2017 | Downtown Improvement District Inc Portlands Downtown District | 990 | Board | 2 | $0 | $0 | View return |
| 2017 | The Stanford Theatre Foundation | 990PF | Chairman/President | 4 | $0 | $0 | View return |
| 2017 | International Cryptozoology Museum | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | New Hampshire Lakes Association Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | The Memorial Hospital Foundation | 990 | Treasurer - Bod | 1 | $0 | $0 | View return |
| 2016 | The Stanford Theatre Foundation | 990PF | Chairman/President | 4 | $0 | $0 | View return |
| 2016 | New Hampshire Lakes Association Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | The Packard Humanities Institute | 990PF | Pres/Chair/Director | 30 | $0 | $0 | View return |
| 2016 | International Cryptozoology Museum | 990EZ | Director | 2 | $0 | - | View return |
| 2016 | Downtown Improvement District Inc Portlands Downtown District | 990 | Board | 2 | $0 | $0 | View return |
| 2016 | The Memorial Hospital Foundation | 990 | Chairman | 1 | $0 | $0 | View return |
| 2015 | The Packard Humanities Institute | 990PF | Pres/Chair/Director | 30 | $0 | $0 | View return |
| 2015 | New Hampshire Lakes Association Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | The Memorial Hospital Foundation | 990 | Chairman | 2 | $0 | $0 | View return |
| 2014 | New Hampshire Lakes Association Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | The Memorial Hospital Foundation | 990 | Chairman | 2 | $0 | $0 | View return |
| 2013 | New Hampshire Lakes Association Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | The Memorial Hospital Foundation | 990 | Chairman | 2 | $0 | $0 | View return |
| 2013 | Guthrie Towanda Memorial Hospital | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2010 | The Stanford Theatre Foundation | 990PF | Chairman/President | 8 | $0 | $0 | View return |