| 2024 | Ben and Sally Lewensohn Foundation | 990PF | Member Bod | 0.1 | $0 | $0 | View return |
| 2023 | Ben and Sally Lewensohn Foundation | 990PF | Member Bod | 0.1 | $0 | $0 | View return |
| 2022 | AIDS Care Group | 990 | Key Employee | 35 | $130,147 | $0 | View return |
| 2022 | Ben and Sally Lewensohn Foundation | 990PF | Member Bod | 0.1 | $0 | $0 | View return |
| 2022 | Massachusetts Adoption Resource Exchange Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Ben and Sally Lewensohn Foundation | 990PF | Member Bod | 0.1 | $0 | $0 | View return |
| 2021 | Massachusetts Adoption Resource Exchange Inc. | 990 | President | 1 | $0 | $0 | View return |
| 2020 | Ben and Sally Lewensohn Foundation | 990PF | Member Bod | 0.1 | $0 | $0 | View return |
| 2020 | Massachusetts Adoption Resource Exchange Inc. | 990 | President | 1 | $0 | $0 | View return |
| 2019 | Ben and Sally Lewensohn Foundation | 990PF | Member Bod | 0.1 | $0 | $0 | View return |
| 2019 | Massachusetts Adoption Resource Exchange Inc. | 990 | President | 1 | $0 | $0 | View return |
| 2018 | Ben and Sally Lewensohn Foundation | 990PF | Member Bod | 0.1 | $0 | $0 | View return |
| 2018 | Massachusetts Adoption Resource Exchange Inc. | 990 | Vice President | 1 | $0 | $0 | View return |
| 2017 | Ben and Sally Lewensohn Foundation | 990PF | Member Bod | 0.1 | $0 | $0 | View return |
| 2017 | Massachusetts Adoption Resource Exchange Inc. | 990 | Vice President | 1 | $0 | $0 | View return |
| 2016 | North Star Academy Foundation Inc. | 990 | Managing Director | 1 | $0 | $213,343 | View return |
| 2016 | Ben and Sally Lewensohn Foundation | 990PF | Member Bod | 0.1 | $0 | $0 | View return |
| 2016 | Massachusetts Adoption Resource Exchange Inc. | 990 | Vice President | 0.2 | $0 | $0 | View return |
| 2015 | Uncommon Schools Inc. | 990 | Managing Director | 40 | $213,343 | $0 | View return |
| 2015 | Uncommon Lender Inc. | 990 | Managing Director | 1 | $0 | $213,343 | View return |
| 2015 | Excellence Academies Foundation Inc | 990 | Managing Director-Boston | 1 | $0 | $213,343 | View return |
| 2015 | Ben and Sally Lewensohn Foundation | 990PF | Member Bod | 0.1 | $0 | $0 | View return |
| 2015 | True North Rochester Preparatory Charter School | 990 | Trustee Through 3/23/16 | 1 | $0 | $0 | View return |
| 2015 | Massachusetts Adoption Resource Exchange Inc. | 990 | Director | 0.1 | $0 | $0 | View return |
| 2015 | True North Troy Preparatory Charter School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Uncommon Schools Inc. | 990 | Managing Director | 40 | $189,816 | $0 | View return |
| 2014 | Uncommon Lender Inc. | 990 | Managing Director | 1 | $0 | $189,816 | View return |
| 2014 | Excellence Academies Foundation Inc | 990 | Managing Director-Boston | 1 | $0 | $189,816 | View return |
| 2014 | Ben and Sally Lewensohn Foundation | 990PF | Member Bod | 0.1 | $0 | $0 | View return |
| 2014 | Massachusetts Adoption Resource Exchange Inc. | 990 | Director | 0 | $0 | $0 | View return |
| 2014 | True North Troy Preparatory Charter School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | True North Rochester Preparatory Charter School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Uncommon Schools Inc. | 990 | Managing Director | 40 | $201,424 | $0 | View return |
| 2013 | Excellence Academies Foundation Inc | 990 | Managing Director-Boston | 0 | $0 | $201,424 | View return |
| 2013 | Uncommon Lender Inc. | 990 | Managing Director | 0 | $0 | $201,424 | View return |