| 2024 | Young Leaders Alumni Council Inc | 990 | Chair Of Board | 3 | $0 | $0 | View return |
| 2024 | Lake Agawam Conservancy Inc. | 990 | President/Secretary/Director | 2 | $0 | $0 | View return |
| 2024 | Supreme Court Historical Society the Society | 990 | Vice President, Chair, Dev | 1 | $0 | $0 | View return |
| 2023 | Lake Agawam Conservancy Inc. | 990 | President/Secretary | 2 | $0 | $0 | View return |
| 2023 | Young Leaders Alumni Council Inc | 990 | Chair | 3 | $0 | $0 | View return |
| 2023 | Supreme Court Historical Society the Society | 990 | Vice President, Chair, Dev | 1 | $0 | $0 | View return |
| 2023 | Young Leaders Alumni Council Inc | 990 | Chair | 3 | $0 | $0 | View return |
| 2022 | Lake Agawam Conservancy Inc. | 990 | President/Secretary | 2 | $0 | $0 | View return |
| 2022 | Young Leaders Alumni Council Inc | 990 | Chair | 3 | $0 | $0 | View return |
| 2022 | The Lebensfeld Foundation C/O Sullivan & Cromwell LLP | 990PF | VP, Treasurer And Secretary | 1 | $0 | $0 | View return |
| 2022 | Supreme Court Historical Society the Society | 990 | Vice President, Chair, Dev | 1 | $0 | $0 | View return |
| 2021 | Lake Agawam Conservancy Inc. | 990 | President/Secretary | 2 | $0 | $0 | View return |
| 2021 | The Lebensfeld Foundation C/O Sullivan & Cromwell LLP | 990PF | VP, Treasurer And Secretary | 1 | $0 | $0 | View return |
| 2021 | Supreme Court Historical Society the Society | 990 | Vice President, Chair, Dev | 1 | $0 | $0 | View return |
| 2020 | Lake Agawam Conservancy Inc. | 990 | President/Secretary | 2 | $0 | $0 | View return |
| 2020 | Supreme Court Historical Society the Society | 990 | Vice President, Chair, Dev | 1 | $0 | $0 | View return |
| 2020 | Federal Bar Council | 990 | Past President | 1 | $0 | $0 | View return |
| 2020 | The Lebensfeld Foundation C/O Sullivan & Cromwell LLP | 990PF | VP, Treasurer And Secretary | 1 | $0 | $0 | View return |
| 2019 | Lake Agawam Conservancy Inc. | 990 | President/Secretary | 2 | $0 | $0 | View return |
| 2019 | The Lebensfeld Foundation C/O Sullivan & Cromwell LLP | 990PF | VP, Treasurer And Secretary | 1 | $0 | $0 | View return |
| 2019 | Supreme Court Historical Society the Society | 990 | Vice President, Chair, Dev | 1 | $0 | $0 | View return |
| 2018 | Supreme Court Historical Society the Society | 990 | Vice President, Chair, Dev | 1 | $0 | $0 | View return |
| 2018 | The Lebensfeld Foundation C/O Sullivan & Cromwell LLP | 990PF | VP, Treasurer And Secretary | 1 | $0 | $0 | View return |
| 2017 | Supreme Court Historical Society the Society | 990 | Vice President, Chair, Dev | 1 | $0 | $0 | View return |
| 2017 | The Lebensfeld Foundation C/O Sullivan & Cromwell LLP | 990PF | VP, Treasurer And Secretary | 1 | $0 | $0 | View return |
| 2016 | Supreme Court Historical Society the Society | 990 | Vice President, Chair, Development Committ | 1 | $0 | $0 | View return |
| 2016 | The Lebensfeld Foundation C/O Sullivan & Cromwell LLP | 990PF | VP, Treasurer And Secretary | 1 | $0 | $0 | View return |
| 2015 | The Lebensfeld Foundation C/O Sullivan & Cromwell LLP | 990PF | VP, Treasurer And Secretary | 1 | $0 | $0 | View return |
| 2015 | Supreme Court Historical Society the Society | 990 | Chair, Development Committ | 1 | $0 | $0 | View return |
| 2015 | Alliance for Downtown New York Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2014 | Alliance for Downtown New York Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2014 | Supreme Court Historical Society the Society | 990 | Chair, Development Committee | 1 | $0 | $0 | View return |
| 2014 | The Lebensfeld Foundation C/O Sullivan & Cromwell LLP | 990PF | VP, Treasurer And Secretary | 1 | $0 | $0 | View return |
| 2013 | Downtown-Lower Manhattan Association Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2013 | Alliance for Downtown New York Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2013 | The Lebensfeld Foundation C/O Sullivan & Cromwell LLP | 990PF | VP, Treasurer And Secretary | 1 | $0 | $0 | View return |
| 2012 | The Lebensfeld Foundation C/O Sullivan & Cromwell LLP | 990PF | VP, Treasurer And Secretary | 0 | $0 | - | View return |
| 2011 | The Lebensfeld Foundation C/O Sullivan & Cromwell LLP | 990PF | VP, Treasurer And Secretary | 1 | $0 | $0 | View return |
| 2010 | The Lebensfeld Foundation C/O Sullivan & Cromwell LLP | 990PF | VP, Treasurer And Secretary | 1 | $0 | $0 | View return |