| 2024 | Open Doors to Future Possibilities Inc. | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2024 | Muwekma Ohlone Preservation Foundation | 990EZ | Board Member | 5 | $0 | $0 | View return |
| 2023 | Muwekma Ohlone Preservation Foundation | 990EZ | Board Member | 5 | $0 | - | View return |
| 2023 | Open Doors to Future Possibilities Inc. | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2022 | Muwekma Ohlone Preservation Foundation | 990EZ | Board Member | 5 | $0 | - | View return |
| 2022 | Open Doors to Future Possibilities Inc. | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2022 | Sherry and Alan Leventhal Family Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2022 | Boston Municipal Research Bureau Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Boston Municipal Research Bureau Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Open Doors to Future Possibilities Inc. | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2021 | Muriel and Norman B Leventhal Family Foundation Inc. | 990PF | Treasurer/ Director | 2 | $0 | $0 | View return |
| 2021 | A Better City Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2021 | Muriel G and Norman B Leventhal Charitable Trust | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2021 | Muwekma Ohlone Preservation Foundation | 990EZ | Board Member | 5 | $0 | $0 | View return |
| 2021 | Sherry and Alan Leventhal Family Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2021 | The Norman B Leventhal Map & Education Center Inc | 990 | Board Member, Chair (End 2/2022) | 1 | $0 | $0 | View return |
| 2021 | Cancer Research Fund of the Damon Runyon-Walter Winchell Foundation | 990 | Director (Thru 6/16/22) | 1 | $0 | $0 | View return |
| 2021 | The National World War II Museum Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | Muriel G and Norman B Leventhal Charitable Trust | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2020 | Muriel and Norman B Leventhal Family Foundation Inc. | 990PF | Treasurer/ Director | 2 | $0 | $0 | View return |
| 2020 | Mapping Boston Foundation Inc. | 990PF | Director | 2 | $0 | $0 | View return |
| 2020 | Boston Municipal Research Bureau Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | The National World War II Museum Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | Sherry and Alan Leventhal Family Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2020 | The Norman B Leventhal Map & Education Center Inc | 990 | Board Member, Chair | 1 | $0 | $0 | View return |
| 2020 | Walk to the Sea Inc. | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2019 | Muriel G and Norman B Leventhal Charitable Trust | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2019 | Muriel and Norman B Leventhal Family Foundation Inc. | 990PF | Treasurer/ Director | 2 | $0 | $0 | View return |
| 2019 | Boston Municipal Research Bureau Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Mapping Boston Foundation Inc. | 990PF | Director | 2 | $0 | $0 | View return |
| 2019 | Sherry and Alan Leventhal Family Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2019 | The Norman B Leventhal Map & Education Center Inc | 990 | Board Member, Chair | 1 | $0 | $0 | View return |
| 2019 | The National World War II Museum Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | Walk to the Sea Inc. | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2019 | Cancer Research Fund of the Damon Runyon-Walter Winchell Foundation | 990 | Chairman | 1 | $0 | $0 | View return |
| 2018 | Boston Municipal Research Bureau Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Muriel G and Norman B Leventhal Charitable Trust | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2018 | Mapping Boston Foundation Inc. | 990PF | Director | 2 | $0 | $0 | View return |
| 2018 | Muriel and Norman B Leventhal Family Foundation Inc. | 990PF | Treasurer/ Director | 2 | $0 | $0 | View return |
| 2018 | The National World War II Museum Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | Walk to the Sea Inc. | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2018 | Cancer Research Fund of the Damon Runyon-Walter Winchell Foundation | 990 | Chairman | 1 | $0 | $0 | View return |
| 2018 | Sherry and Alan Leventhal Family Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2017 | Muriel G and Norman B Leventhal Charitable Trust | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2017 | Mapping Boston Foundation Inc. | 990PF | Director | 2 | $0 | $0 | View return |
| 2017 | Muriel and Norman B Leventhal Family Foundation Inc. | 990PF | Treasurer/ Director | 2 | $0 | $0 | View return |
| 2017 | Boston Municipal Research Bureau Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | The Norman B Leventhal Map & Education Center Inc | 990 | Board Member, Vice Chair | 1 | $0 | $0 | View return |
| 2017 | Cancer Research Fund of the Damon Runyon-Walter Winchell Foundation | 990 | Chairman | 1 | $0 | $0 | View return |
| 2017 | Sherry and Alan Leventhal Family Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2017 | Walk to the Sea Inc. | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2017 | The National World War II Museum Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | Cancer Research Fund of the Damon Runyon-Walter Winchell Foundation | 990 | Chairman | 1 | $0 | $0 | View return |
| 2016 | Boston Municipal Research Bureau Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | The Norman B Leventhal Map & Education Center Inc | 990 | Board Member, Vice Chair | 2 | $0 | $0 | View return |
| 2016 | Muriel and Norman B Leventhal Family Foundation Inc. | 990PF | Treasurer/ Director | 2 | $0 | $0 | View return |
| 2016 | Cancer Research Fund of the Damon Runyon-Walter Winchell Foundation | 990 | Chairman | 1 | $0 | $0 | View return |
| 2016 | The National World War II Museum Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | Walk to the Sea Inc. | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2016 | Sherry and Alan Leventhal Family Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2015 | Monroe Free Library | 990 | Trustee | 10 | $0 | $0 | View return |
| 2015 | Mapping Boston Foundation Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | The Norman B Leventhal Map & Education Center Inc | 990 | Board Member, Vice Chair | 1 | $0 | $0 | View return |
| 2015 | Boston Municipal Research Bureau Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Muriel and Norman B Leventhal Family Foundation Inc. | 990PF | Director | 2 | $0 | $0 | View return |
| 2015 | Cancer Research Fund of the Damon Runyon-Walter Winchell Foundation | 990 | Chairman | 1 | $0 | $0 | View return |
| 2015 | Sherry and Alan Leventhal Family Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2015 | Walk to the Sea Inc. | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2015 | Trustees of Boston University | 990 | Trustee (Until 09/17/2015) | 3 | $0 | $0 | View return |
| 2014 | Boston Municipal Research Bureau Inc. | 990 | Director | 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 | Monroe Free Library | 990 | Trustee | 10 | $0 | $0 | View return |
| 2014 | Cancer Research Fund of the Damon Runyon-Walter Winchell Foundation | 990 | Chairman | 1 | $0 | $0 | View return |
| 2014 | The Norman B Leventhal Map & Education Center Inc | 990 | Board Member, Vice Chair | 1 | $0 | $0 | View return |
| 2014 | Trustees of Boston University | 990 | Trustee | 3 | $0 | $0 | View return |
| 2014 | Walk to the Sea Inc. | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2014 | Sherry and Alan Leventhal Family Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2013 | Boston Municipal Research Bureau Inc. | 990 | Director | 1 | $0 | $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 | Walk to the Sea Inc. | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2013 | The Norman B Leventhal Map & Education Center Inc | 990 | Board Member, Vice Chairman | 1 | $0 | $0 | View return |
| 2013 | Trustees of Boston University | 990 | Trustee | 3 | - | - | View return |
| 2013 | Cancer Research Fund of the Damon Runyon-Walter Winchell Foundation | 990 | Chairman | 1 | $0 | $0 | View return |
| 2013 | Sherry and Alan Leventhal Family Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2012 | Muriel and Norman B Leventhal Family Foundation Inc. | 990PF | Director | 2 | $0 | $0 | View return |
| 2012 | Sherry and Alan Leventhal Family Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2011 | Muriel and Norman B Leventhal Family Foundation Inc. | 990PF | Director | 2 | $0 | $0 | View return |
| 2011 | Sherry and Alan Leventhal Family Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2010 | Muriel and Norman B Leventhal Family Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |