| 2025 | The Ladd Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2025 | The Ladd Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2024 | Boston Committee on Foreign Relations Inc. | 990EZ | Former Chair | 1 | $0 | $0 | View return |
| 2024 | A Better City Inc | 990 | Former Treasurer/Board Member | 0 | $0 | $0 | View return |
| 2024 | The Trustees of Reservations | 990 | Assistant Secretary (Until 11/01/24) | 2 | $0 | $0 | View return |
| 2023 | A Better City Initiative Inc. | 990 | Treasurer, Director | 0 | $0 | $0 | View return |
| 2023 | Massachusetts Taxpayers Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | A Better City Inc | 990 | Treasurer | 0 | $0 | $0 | View return |
| 2023 | The Ladd Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2023 | The Ladd Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2023 | The Trustees of Reservations | 990 | Assistant Secretary | 2 | $0 | $0 | View return |
| 2023 | Medical Academic and Scientific Community Organization Inc | 990 | Member At Large | 1 | $0 | $0 | View return |
| 2022 | A Better City Initiative Inc. | 990 | Treasurer, Director | 0 | $0 | $0 | View return |
| 2022 | Boston Committee on Foreign Relations Inc. | 990EZ | Former Chair | 1 | $0 | $0 | View return |
| 2022 | A Better City Inc | 990 | Treasurer | 0 | $0 | $0 | View return |
| 2022 | Massachusetts Taxpayers Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | The Ladd Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2022 | The Ladd Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2022 | The Trustees of Reservations | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Medical Academic and Scientific Community Organization Inc | 990 | Member At Large | 1 | $0 | $0 | View return |
| 2021 | Boston Committee on Foreign Relations Inc. | 990EZ | Chairman | 1 | $0 | $0 | View return |
| 2021 | John P Peterson Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2021 | A Better City Initiative Inc. | 990 | Treasurer, Director | 0 | $0 | $0 | View return |
| 2021 | A Better City Inc | 990 | Treasurer | 0 | $0 | $0 | View return |
| 2021 | Massachusetts Taxpayers Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | The Trustees of Reservations | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | The Ladd Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2021 | The Ladd Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2021 | Medical Academic and Scientific Community Organization Inc | 990 | Member At Large | 1 | $0 | $0 | View return |
| 2020 | John P Peterson Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2020 | A Better City Inc | 990 | Treasurer | 0 | $0 | $0 | View return |
| 2020 | A Better City Initiative Inc. | 990 | Treasurer, Director | 0 | $0 | $0 | View return |
| 2020 | Massachusetts Taxpayers Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | The Trustees of Reservations | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Medical Academic and Scientific Community Organization Inc | 990 | Member At Large | 1 | $0 | $0 | View return |
| 2020 | The Ladd Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2020 | The Ladd Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2020 | Mobile Carnival Association Inc. | 990 | Director Emeritus | 1 | $0 | $0 | View return |
| 2019 | A Better City Inc | 990 | Treasurer | 0 | $0 | $0 | View return |
| 2019 | Massachusetts Taxpayers Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | John P Peterson Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2019 | A Better City Initiative Inc. | 990 | Treasurer, Director | 0 | $0 | $0 | View return |
| 2019 | Mobile Carnival Association Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | The Trustees of Reservations | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | Medical Academic and Scientific Community Organization Inc | 990 | Member At Large | 1 | $0 | $0 | View return |
| 2018 | Hult International Business School Inc. | 990 | Hult School Professor | 40 | $246,277 | $0 | View return |
| 2018 | A Better City Initiative Inc. | 990 | Treasurer, Director | 0 | $0 | $0 | View return |
| 2018 | A Better City Inc | 990 | Treasurer | 0 | $0 | $0 | View return |
| 2018 | John P Peterson Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2018 | Massachusetts Taxpayers Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Trustees of Reservations | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Medical Academic and Scientific Community Organization Inc | 990 | Member At Large | 1 | $0 | $0 | View return |
| 2018 | Mobile Carnival Association Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | A Better City Inc | 990 | Clerk | 0 | $0 | $0 | View return |
| 2017 | A Better City Initiative Inc. | 990 | Clerk, Director | 0 | $0 | $0 | View return |
| 2017 | Massachusetts Taxpayers Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | The Healing Place of Hampton Roads | 990EZ | Director | 1 | $0 | - | View return |
| 2017 | John P Peterson Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2017 | Medical Academic and Scientific Community Organization Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | The Trustees of Reservations | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Mobile Carnival Association Inc. | 990 | Director/Curator | 20 | $20,000 | $0 | View return |
| 2016 | The Healing Place of Hampton Roads | 990EZ | Director | 1 | $0 | - | View return |
| 2016 | John P Peterson Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2016 | A Better City Inc | 990 | Clerk | 0 | $0 | $0 | View return |
| 2016 | A Better City Initiative Inc. | 990 | Clerk, Director | 0 | $0 | $0 | View return |
| 2016 | Massachusetts Taxpayers Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | The Trustees of Reservations | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Medical Academic and Scientific Community Organization Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Wheelock College | 990 | Board Member | 3 | $0 | $0 | View return |
| 2015 | Mobile Carnival Association Inc. | 990 | Director/Curator | 20 | $20,000 | $0 | View return |
| 2015 | The Healing Place of Hampton Roads | 990EZ | Director | 1 | $0 | - | View return |
| 2015 | John P Peterson Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2015 | Massachusetts Taxpayers Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | The Trustees of Reservations | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Medical Academic and Scientific Community Organization Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Medical Academic and Scientific Community Organization Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Mobile Carnival Association Inc. | 990 | Director/Curator | 20 | $20,000 | $0 | View return |
| 2014 | Massachusetts Taxpayers Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | John P Peterson Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2014 | Medical Academic and Scientific Community Organization Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | The Trustees of Reservations | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Mobile Carnival Association Inc. | 990 | Director/Curator | 20 | $20,000 | $0 | View return |
| 2013 | John P Peterson Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2013 | Land Trust Alliance Incorporated | 990 | Secretary/Treas, Dover, Ma | 3 | $0 | $0 | View return |
| 2013 | Massachusetts Taxpayers Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Medical Academic and Scientific Community Organization Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | The Trustees of Reservations | 990 | Director | 2 | $0 | $0 | View return |
| 2012 | John P Peterson Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |