| 2025 | The Bierly-Boasberg Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2024 | The Bierly-Boasberg Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2024 | Potential Energy Coalition Inc. | 990 | Board Member | 5 | $0 | $0 | View return |
| 2023 | Potential Energy Coalition Inc. | 990 | Board Member | 5 | $0 | $0 | View return |
| 2023 | The Bierly-Boasberg Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2023 | Mass General Brigham Incorporated & Affiliates Group Return | 990 | See Schedule O - O & T Titles | 1 | $0 | $0 | View return |
| 2022 | The Bierly-Boasberg Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2022 | Potential Energy Coalition Inc. | 990 | Board Member | 5 | $0 | $0 | View return |
| 2022 | Mass General Brigham Incorporated & Affiliates Group Return | 990 | See Schedule O - O & T Titles | 1 | $0 | $0 | View return |
| 2022 | Buckingham Browne and Nichols School | 990 | Trustee (Until May 2023) | 1 | $0 | $0 | View return |
| 2021 | The Bierly-Boasberg Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2021 | Buckingham Browne and Nichols School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | The Bierly-Boasberg Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2020 | Buckingham Browne and Nichols School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | The Bierly-Boasberg Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2019 | Buckingham Browne and Nichols School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Bierly-Boasberg Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2018 | Buckingham Browne and Nichols School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | The Bierly-Boasberg Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2017 | Nantucket Dreamland Foundation Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | The Bierly-Boasberg Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2016 | Nantucket Dreamland Foundation Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | The Bierly-Boasberg Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2015 | Park School Corporation | 990 | Trustee | 3.5 | $0 | $0 | View return |
| 2015 | Nantucket Dreamland Foundation Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | The Bierly-Boasberg Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2014 | Park School Corporation | 990 | Trustee | 3.5 | $0 | $0 | View return |
| 2014 | Nantucket Dreamland Foundation Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | The Bierly-Boasberg Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2013 | Park School Corporation | 990 | Trustee | 3.5 | $0 | $0 | View return |
| 2012 | The Bierly-Boasberg Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2011 | The Bierly-Boasberg Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2010 | The Bierly-Boasberg Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |