| 2025 | Friends of the Aberdeen B and O Train Station Inc. | 990 | Treasurer | 8 | $0 | $0 | View return |
| 2024 | Friends of the Aberdeen B and O Train Station Inc. | 990 | Treasurer | 8 | $0 | $0 | View return |
| 2024 | Margaret D and Jeremy M Jacobs Family Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2024 | Americans for Peace and Tolerance Inc. | 990 | President | 40 | $0 | $0 | View return |
| 2024 | Massachusetts Business Roundtable Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Boston Bruins Charitable Foundation Inc. | 990 | Chief Executive Officer | 1 | $0 | $0 | View return |
| 2024 | Rockaway Development and Revitalization Corporation | 990 | Second Vice | 2 | $0 | $0 | View return |
| 2023 | Friends of the Aberdeen B and O Train Station Inc. | 990 | Treasurer | 8 | $0 | $0 | View return |
| 2023 | Massachusetts Business Roundtable Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Americans for Peace and Tolerance Inc. | 990 | President | 40 | $0 | $0 | View return |
| 2023 | Not Forgotten Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Margaret D and Jeremy M Jacobs Family Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2023 | Rockaway Development and Revitalization Corporation | 990 | Board Member | 2 | $0 | $0 | View return |
| 2023 | Boston Bruins Charitable Foundation Inc. | 990 | Chief Executive Officer | 1 | $0 | $0 | View return |
| 2023 | 716 Squash Inc. | 990 | Secretary | 1 | $0 | $0 | View return |
| 2022 | Friends of the Aberdeen B and O Train Station Inc. | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2022 | Americans for Peace and Tolerance Inc. | 990EZ | President | 40 | $0 | - | View return |
| 2022 | Massachusetts Business Roundtable Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | 716 Squash Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Not Forgotten Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Boston Bruins Charitable Foundation Inc. | 990 | Chief Executive Officer | 1 | $0 | $0 | View return |
| 2022 | Rockaway Development and Revitalization Corporation | 990 | Board Member | 2 | $0 | $0 | View return |
| 2021 | Americans for Peace and Tolerance Inc. | 990 | President | 40 | $0 | $0 | View return |
| 2021 | Palm Beach Masters Horse Show Inc | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2021 | Massachusetts Business Roundtable Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Not Forgotten Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Rockaway Development and Revitalization Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | 716 Squash Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Boston Bruins Charitable Foundation Inc. | 990 | Cheif Executive Officer | 1 | $0 | $0 | View return |
| 2020 | Palm Beach Masters Horse Show Inc | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2020 | Americans for Peace and Tolerance Inc. | 990 | President | 40 | $0 | $0 | View return |
| 2020 | Not Forgotten Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Massachusetts Business Roundtable Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | 716 Squash Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Boston Bruins Charitable Foundation Inc. | 990 | Founder And Chairman | 1 | $0 | $0 | View return |
| 2019 | Not Forgotten Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Americans for Peace and Tolerance Inc. | 990 | President | 40 | $0 | $0 | View return |
| 2019 | Palm Beach Masters Horse Show Inc | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2019 | Hay Creek Valley Historical Association | 990 | Director | 1.8 | $0 | $0 | View return |
| 2019 | Massachusetts Business Roundtable Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Boston Bruins Charitable Foundation Inc. | 990 | Founder And Chairman | 1 | $0 | $0 | View return |
| 2019 | 716 Squash Inc. | 990 | Board Member | 5 | $0 | $0 | View return |
| 2018 | The I3 Cares Foundation | 990PF | Director | 5 | $0 | $0 | View return |
| 2018 | Americans for Peace and Tolerance Inc. | 990 | President | 40 | $0 | $0 | View return |
| 2018 | Not Forgotten Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Palm Beach Masters Horse Show Inc | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2018 | Massachusetts Business Roundtable Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Hay Creek Valley Historical Association | 990 | Director | 7 | $0 | $0 | View return |
| 2018 | 716 Squash Inc. | 990 | Board Member | 5 | $0 | $0 | View return |
| 2018 | Boston Bruins Charitable Foundation Inc. | 990 | Founder And Chairman | 1 | $0 | $0 | View return |
| 2017 | Americans for Peace and Tolerance Inc. | 990 | President | 40 | $31,250 | $0 | View return |
| 2017 | Massachusetts Business Roundtable Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Not Forgotten Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | 716 Squash Inc. | 990 | Board Member | 5 | $0 | $0 | View return |
| 2017 | Boston Bruins Charitable Foundation Inc. | 990 | Founder And Chairman | 1 | $0 | $0 | View return |
| 2017 | Park School of Baltimore Inc. | 990 | Member-Board Of Trustees | 1 | $0 | $0 | View return |
| 2017 | Boston Bruins Charitable Foundation Inc. | 990 | Founder And Chairman | 1 | $0 | $0 | View return |
| 2016 | Americans for Peace and Tolerance Inc. | 990 | President | 40 | $65,625 | $0 | View return |
| 2016 | Equishare Credit Union | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Massachusetts Business Roundtable Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Not Forgotten Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Boston Bruins Charitable Foundation Inc. | 990 | Founder And Chairman | 1 | $0 | $0 | View return |
| 2016 | Gould Academy | 990 | Member At Large | 1 | $0 | $0 | View return |
| 2016 | Park School of Baltimore Inc. | 990 | Member-Board Of Trustees | 1 | $0 | $0 | View return |
| 2015 | Americans for Peace and Tolerance Inc. | 990 | President | 40 | $60,000 | $0 | View return |
| 2015 | Massachusetts Business Roundtable Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Not Forgotten Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Gould Academy | 990 | Member At Large | 1 | $0 | $0 | View return |
| 2015 | Boston Bruins Charitable Foundation Inc. | 990 | Founder And Chairman | 1 | $0 | $0 | View return |
| 2015 | Heritage Valley Sewickley Foundation | 990 | Director | 0.5 | $0 | $0 | View return |
| 2015 | Park School of Baltimore Inc. | 990 | Member, Board Of Trustees | 1 | $0 | $0 | View return |
| 2014 | North Central States Regional Council of Carpenters | 990 | Executive Committee Member | 45 | $67,033 | $0 | View return |
| 2014 | Not Forgotten Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Americans for Peace and Tolerance Inc. | 990 | President | 40 | $0 | $0 | View return |
| 2014 | Massachusetts Business Roundtable Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | The Bryn Mawr School for Girls of Baltimore City Inc | 990 | Secretary | 1 | $0 | $0 | View return |
| 2014 | Brehm Preparatory School Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Boston Bruins Charitable Foundation Inc. | 990 | Founder And Chairman | 1 | $0 | $0 | View return |
| 2014 | Heritage Valley Sewickley Foundation | 990 | Director | 1 | - | - | View return |
| 2014 | Gould Academy | 990 | Vice President | 1 | $0 | $0 | View return |
| 2013 | Americans for Peace and Tolerance Inc. | 990 | President | 40 | $35,000 | $0 | View return |
| 2013 | Massachusetts Business Roundtable Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | The Bryn Mawr School for Girls of Baltimore City Inc | 990 | Secretary | 1 | $0 | $0 | View return |
| 2013 | Brehm Preparatory School Inc. | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2013 | Boston Bruins Charitable Foundation Inc. | 990 | Founder And Chairman | 1 | $0 | $0 | View return |
| 2013 | Heritage Valley Sewickley Foundation | 990 | Director | 1 | - | - | View return |
| 2013 | Gould Academy | 990 | Vice President | 1 | $0 | $0 | View return |
| 2012 | Jewish Welfare Fund of Baltimore Inc | 990PF | Director | 1.5 | $0 | $0 | View return |
| 2011 | The I3 Cares Foundation | 990PF | Director | 5 | $0 | $0 | View return |
| 2011 | Jewish Welfare Fund of Baltimore Inc | 990PF | Director | 1.5 | $0 | $0 | View return |