| 2024 | Mapping Boston Foundation Inc. | 990PF | Treasurer | 2 | $0 | $0 | View return |
| 2024 | American Jewish Joint Distribution Committee Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2024 | Sidman Family Foundation | 990PF | Pres/Director | 5 | $0 | $0 | View return |
| 2023 | Jewish Arts Collaborative Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | American Jewish Joint Distribution Committee Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Sidman Family Foundation | 990PF | Pres/Director | 5 | $0 | $0 | View return |
| 2023 | Mapping Boston Foundation Inc. | 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 | American Jewish Joint Distribution Committee Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Jewish Arts Collaborative Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Mapping Boston Foundation Inc. | 990PF | Treasurer | 2 | $0 | $0 | View return |
| 2022 | Sidman Family Foundation | 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. | 990PF | Treasurer | 2 | $0 | $0 | View return |
| 2021 | Sidman Family Foundation | 990PF | Pres/Director | 5 | $0 | $0 | View return |
| 2021 | Jewish Arts Collaborative Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | 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 | Jewish Arts Collaborative Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | American Jewish Joint Distribution Committee Inc. | 990 | Treasurer (Through 2/6/20) | 1 | $0 | $0 | View return |
| 2020 | Sidman Family Foundation | 990PF | Pres/Director | 5 | $0 | $0 | View return |
| 2020 | Mapping Boston Foundation Inc. | 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 | Sidman Family Foundation | 990PF | Pres/Director | 5 | $0 | $0 | View return |
| 2019 | Jewish Arts Collaborative Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | American Jewish Joint Distribution Committee Inc. | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2019 | Mapping Boston Foundation Inc. | 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 | Jewish Arts Collaborative Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Mapping Boston Foundation Inc. | 990PF | Director | 2 | $0 | $0 | View return |
| 2018 | Sidman Family Foundation | 990PF | Pres/Director | 5 | $0 | $0 | View return |
| 2018 | 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 | 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 | Jewish Arts Collaborative Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Mapping Boston Foundation Inc. | 990PF | Director | 2 | $0 | $0 | View return |
| 2017 | Sidman Family Foundation | 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 | Sidman Family Foundation | 990PF | Pres/Director | 5 | $0 | $0 | View return |
| 2016 | American Jewish Joint Distribution Committee Inc. | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2016 | Jewish Arts Collaborative 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 | American Jewish Joint Distribution Committee Inc. | 990 | Vice President | 1 | $0 | $0 | View return |
| 2015 | Mapping Boston Foundation Inc. | 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 | 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. | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Jewish Community Centers Association of North America | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Sidman Family Foundation | 990PF | Pres/Director | 5 | $0 | $0 | View return |
| 2014 | Jewish Arts Collaborative Inc | 990 | Director | 2 | - | - | View return |
| 2014 | Paula L and Edwin Sidman Family Fund Inc. | 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 | 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. | 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 L and Edwin Sidman Family Fund Inc. | 990 | Vice Pres | 5 | $0 | $0 | View return |
| 2013 | Combined Jewish Philanthropies of Greater Boston Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Sidman Family Foundation | 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 | Sidman Family Foundation | 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 | Sidman Family Foundation | 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 | Sidman Family Foundation | 990PF | Pres/Director | 5 | $0 | $0 | View return |