| 2024 | Mapping Boston Foundation Inc C/O Beacon Capital Partners | 990PF | Treasurer | 2 | $0 | $0 | View return |
| 2024 | The American Jewish Joint Distribution Committee Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2024 | The Sidman Family Foundation Inc | 990PF | Pres/Director | 5 | $0 | $0 | View return |
| 2024 | Walk to the Sea Inc C/O Beacon Capital Partners | 990PF | Treasurer | 5 | $0 | $0 | View return |
| 2023 | New Center for Arts and Culture Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | The American Jewish Joint Distribution Committee Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | The Sidman Family Foundation Inc | 990PF | Pres/Director | 5 | $0 | $0 | View return |
| 2023 | Mapping Boston Foundation Inc C/O Beacon Capital Partners | 990PF | Treasurer | 2 | $0 | $0 | View return |
| 2023 | Walk to the Sea Inc C/O Beacon Capital Partners | 990PF | Director (Until 2/24)/Treas. (As Of 3/24) | 1 | $0 | $0 | View return |
| 2022 | The American Jewish Joint Distribution Committee Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | New Center for Arts and Culture Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Mapping Boston Foundation Inc C/O Beacon Capital Partners | 990PF | Treasurer | 2 | $0 | $0 | View return |
| 2022 | The Sidman Family Foundation Inc | 990PF | Pres/Director | 5 | $0 | $0 | View return |
| 2022 | Walk to the Sea Inc C/O Beacon Capital Partners | 990PF | Director | 1 | $0 | $0 | View return |
| 2021 | Mapping Boston Foundation Inc C/O Beacon Capital Partners | 990PF | Treasurer | 2 | $0 | $0 | View return |
| 2021 | The Sidman Family Foundation Inc | 990PF | Pres/Director | 5 | $0 | $0 | View return |
| 2021 | New Center for Arts and Culture Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | The American Jewish Joint Distribution Committee Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Walk to the Sea Inc C/O Beacon Capital Partners | 990PF | Director | 1 | $0 | $0 | View return |
| 2020 | New Center for Arts and Culture Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | The American Jewish Joint Distribution Committee Inc | 990 | Treasurer (Through 2/6/20) | 1 | $0 | $0 | View return |
| 2020 | The Sidman Family Foundation Inc | 990PF | Pres/Director | 5 | $0 | $0 | View return |
| 2020 | Mapping Boston Foundation Inc C/O Beacon Capital Partners | 990PF | Director | 2 | $0 | $0 | View return |
| 2020 | Walk to the Sea Inc C/O Beacon Capital Partners | 990PF | Director | 1 | $0 | $0 | View return |
| 2019 | The Sidman Family Foundation Inc | 990PF | Pres/Director | 5 | $0 | $0 | View return |
| 2019 | New Center for Arts and Culture Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | The American Jewish Joint Distribution Committee Inc | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2019 | Mapping Boston Foundation Inc C/O Beacon Capital Partners | 990PF | Director | 2 | $0 | $0 | View return |
| 2019 | Walk to the Sea Inc C/O Beacon Capital Partners | 990PF | Director | 1 | $0 | $0 | View return |
| 2018 | New Center for Arts and Culture Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Mapping Boston Foundation Inc C/O Beacon Capital Partners | 990PF | Director | 2 | $0 | $0 | View return |
| 2018 | The Sidman Family Foundation Inc | 990PF | Pres/Director | 5 | $0 | $0 | View return |
| 2018 | The American Jewish Joint Distribution Committee Inc | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2018 | Walk to the Sea Inc C/O Beacon Capital Partners | 990PF | Director | 1 | $0 | $0 | View return |
| 2017 | The American Jewish Joint Distribution Committee Inc | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2017 | Jewish Community Centers Association of North America | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | New Center for Arts and Culture Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Mapping Boston Foundation Inc C/O Beacon Capital Partners | 990PF | Director | 2 | $0 | $0 | View return |
| 2017 | The Sidman Family Foundation Inc | 990PF | Pres/Director | 5 | $0 | $0 | View return |
| 2017 | Walk to the Sea Inc C/O Beacon Capital Partners | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Jewish Community Centers Association of North America | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | The Sidman Family Foundation Inc | 990PF | Pres/Director | 5 | $0 | $0 | View return |
| 2016 | The American Jewish Joint Distribution Committee Inc | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2016 | New Center for Arts and Culture Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Walk to the Sea Inc C/O Beacon Capital Partners | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Jewish Community Centers Association of North America | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | The American Jewish Joint Distribution Committee Inc | 990 | Vice President | 1 | $0 | $0 | View return |
| 2015 | Mapping Boston Foundation Inc C/O Beacon Capital Partners | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Muriel and Norman B Leventhal Family Foundation Inc. | 990PF | Director | 2 | $0 | $0 | View return |
| 2015 | Walk to the Sea Inc C/O Beacon Capital Partners | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | The American Jewish Joint Distribution Committee Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Muriel and Norman B Leventhal Family Foundation Inc. | 990PF | Director | 2 | $0 | $0 | View return |
| 2014 | Mapping Boston Foundation Inc C/O Beacon Capital Partners | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Jewish Community Centers Association of North America | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | The Sidman Family Foundation Inc | 990PF | Pres/Director | 5 | $0 | $0 | View return |
| 2014 | New Center for Arts and Culture Inc | 990 | Director | 2 | - | - | View return |
| 2014 | Paula & Edwin Sidman Family Fundin C/O Beacon Companies-Nick Iacuzio | 990 | Vice Pres | 5 | $0 | $0 | View return |
| 2014 | Walk to the Sea Inc C/O Beacon Capital Partners | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | The American Jewish Joint Distribution Committee Inc | 990 | Board Member | 1 | $0 | - | View return |
| 2013 | Muriel and Norman B Leventhal Family Foundation Inc. | 990PF | Director | 2 | $0 | $0 | View return |
| 2013 | Mapping Boston Foundation Inc C/O Beacon Capital Partners | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Jewish Community Centers Association of North America | 990 | Chair | 5 | $0 | $0 | View return |
| 2013 | Walk to the Sea Inc C/O Beacon Capital Partners | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Paula & Edwin Sidman Family Fundin C/O Beacon Companies-Nick Iacuzio | 990 | Vice Pres | 5 | $0 | $0 | View return |
| 2013 | Combined Jewish Philanthropies of Greater Boston Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | The Sidman Family Foundation Inc | 990PF | Pres/Director | 5 | $0 | $0 | View return |
| 2012 | Muriel and Norman B Leventhal Family Foundation Inc. | 990PF | Director | 2 | $0 | $0 | View return |
| 2012 | The Sidman Family Foundation Inc | 990PF | Pres/Director | 5 | $0 | $0 | View return |
| 2011 | Muriel and Norman B Leventhal Family Foundation Inc. | 990PF | Director | 2 | $0 | $0 | View return |
| 2011 | The Sidman Family Foundation Inc | 990PF | Pres/Director | 5 | $0 | $0 | View return |
| 2010 | Muriel and Norman B Leventhal Family Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2009 | The Sidman Family Foundation Inc | 990PF | Pres/Director | 5 | $0 | $0 | View return |