| 2024 | Alan & Barbara Ackerman Fdn-Cust | 990PF | Director | 2 | $0 | - | View return |
| 2023 | Alan & Barbara Ackerman Fdn-Cust | 990PF | Director | 2 | $0 | - | View return |
| 2022 | Banyan Tree Foundation | 990PF | Secretary/Treasurer | 0 | $0 | $0 | View return |
| 2022 | Atlantic Council of the United States | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Alan & Barbara Ackerman Fdn-Cust | 990PF | Director | 2 | $0 | - | View return |
| 2021 | International Center on Nonviolent Conflict | 990PF | President Emeritus | 10 | $0 | $0 | View return |
| 2021 | Chamberlain Project Foundation | 990EZ | President/Director | 2 | $0 | $0 | View return |
| 2021 | Alan & Barbara Ackerman Fdn-Cust | 990PF | Director | 2 | $0 | - | View return |
| 2021 | Atlantic Council of the United States | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Banyan Tree Foundation | 990PF | Secretary/Treasurer | 2 | $0 | $0 | View return |
| 2021 | Banyan Tree Foundation | 990PF | Secretary/Treasurer | 0 | $0 | $0 | View return |
| 2021 | Junior Tennis Champions Center Inc. | 990 | Chairman | 0.5 | $0 | $0 | View return |
| 2020 | Alan & Barbara Ackerman Fdn-Cust | 990PF | Director | 2 | $0 | - | View return |
| 2020 | Banyan Tree Foundation | 990PF | Secretary/Treasurer | 0 | $0 | $0 | View return |
| 2020 | Chamberlain Project Foundation | 990 | President/Director | 5 | $0 | $0 | View return |
| 2020 | Banyan Tree Foundation | 990PF | Secretary/Treasurer | 2 | $0 | $0 | View return |
| 2020 | Atlantic Council of the United States | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | International Center on Nonviolent Conflict | 990PF | President Emeritus | 10 | $0 | $0 | View return |
| 2020 | Junior Tennis Champions Center Inc. | 990 | Chairman | 0.5 | $0 | $0 | View return |
| 2019 | Banyan Tree Foundation | 990PF | Secretary/Treasurer | 2 | $0 | $0 | View return |
| 2019 | Atlantic Council of the United States | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | International Center on Nonviolent Conflict | 990PF | President Emeritus | 0 | $0 | $0 | View return |
| 2019 | Chamberlain Project Foundation | 990EZ | President/Director | 5 | $0 | $0 | View return |
| 2019 | Banyan Tree Foundation | 990PF | Secretary/Treasurer | 0 | $0 | $0 | View return |
| 2019 | Junior Tennis Champions Center Inc. | 990 | Chairman | 0.5 | $0 | $0 | View return |
| 2018 | Banyan Tree Foundation | 990PF | Secretary/Treasurer | 2 | $0 | $0 | View return |
| 2018 | Atlantic Council of the United States | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | International Center on Nonviolent Conflict | 990PF | President Emeritus | 0 | $0 | $0 | View return |
| 2018 | Chamberlain Project Foundation | 990 | President/Director | 5 | $0 | $0 | View return |
| 2018 | Banyan Tree Foundation | 990PF | Secretary/Treasurer | 0 | $0 | $0 | View return |
| 2018 | Junior Tennis Champions Center Inc. | 990 | Chairman | 0.5 | $0 | $0 | View return |
| 2018 | Junior Tennis Champions Center Inc. | 990 | Chairman | 0.5 | $0 | $0 | View return |
| 2017 | Banyan Tree Foundation | 990PF | Secretary/Treasurer | 0 | $0 | $0 | View return |
| 2017 | Atlantic Council of the United States | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Banyan Tree Foundation | 990PF | Secretary/Treasurer | 2 | $0 | $0 | View return |
| 2017 | International Center on Nonviolent Conflict | 990PF | President | 0 | $0 | $0 | View return |
| 2017 | Capital Area Food Bank Inc | 990 | Board Member (Until 10/2017) | 1 | $0 | $0 | View return |
| 2017 | Capital Area Food Bank Inc | 990 | Board Member (Until 10/2017) | 1 | $0 | $0 | View return |
| 2016 | International Center on Nonviolent Conflict | 990PF | President | 0 | $0 | $0 | View return |
| 2016 | Atlantic Council of the United States | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Banyan Tree Foundation | 990PF | Secretary/Treasurer | 2 | $0 | $0 | View return |
| 2016 | Capital Area Food Bank Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Capital Area Food Bank Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Council on Foreign Relations Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Capital Area Food Bank Inc | 990 | Board Member | 4 | $0 | $0 | View return |
| 2013 | Capital Area Food Bank Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | Council on Foreign Relations Inc. | 990 | Director | 1 | $0 | $0 | View return |