| 2024 | The Fund for American Studies | 990 | Chairman | 24 | $95,000 | $0 | View return |
| 2024 | Friends of Mengo Hospital USA Ltd. | 990 | Board Member | 5 | $0 | $0 | View return |
| 2023 | The Fund for American Studies | 990 | Chairman | 24 | $95,000 | $0 | View return |
| 2023 | Friends of Mengo Hospital USA Ltd. | 990 | Board Member | 5 | $0 | $0 | View return |
| 2023 | Victims of Communism Memorial Foundation Inc. | 990 | Vice-Chairman | 1 | $0 | $0 | View return |
| 2023 | International Foundation for Electoral Systems | 990 | Secretary, Director | 2.5 | $0 | $0 | View return |
| 2022 | The Fund for American Studies | 990 | Chairman | 24 | $95,000 | $0 | View return |
| 2022 | Friends of Mengo Hospital USA Ltd. | 990 | Board Member | 5 | $0 | $0 | View return |
| 2022 | International Foundation for Electoral Systems | 990 | Secretary, Director | 1 | $0 | $0 | View return |
| 2021 | The Fund for American Studies | 990 | Chairman | 24 | $95,000 | $0 | View return |
| 2021 | The Fund for American Studies | 990 | Chairman | 24 | $0 | $0 | View return |
| 2021 | Victims of Communism Memorial Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Friends of Mengo Hospital USA Ltd. | 990 | Board Member | 5 | $0 | $0 | View return |
| 2021 | International Foundation for Electoral Systems | 990 | Secretary, Director | 1 | $0 | $0 | View return |
| 2020 | The Fund for American Studies | 990 | Chairman | 24 | $95,000 | $0 | View return |
| 2020 | The Thomas Jefferson Institute for Public Policy | 990 | Chairman (Former) | 1 | $0 | $0 | View return |
| 2020 | Victims of Communism Memorial Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | International Foundation for Electoral Systems | 990 | Secretary, Director | 1 | $0 | $0 | View return |
| 2019 | The Fund for American Studies | 990 | Chairman | 24 | $95,000 | $0 | View return |
| 2019 | The Thomas Jefferson Institute for Public Policy | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2019 | Victims of Communism Memorial Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | International Foundation for Electoral Systems | 990 | Secretary, Director | 1 | $0 | $0 | View return |
| 2018 | The Fund for American Studies | 990 | Chairman | 24 | $95,000 | $0 | View return |
| 2018 | Escuela De Agricultura De La Region | 990 | Pres. Of Junta De Fiduciarios | 2 | $0 | $0 | View return |
| 2018 | Victims of Communism Memorial Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | International Foundation for Electoral Systems | 990 | Secretary, Director | 1 | $0 | $0 | View return |
| 2018 | Hdi Inc. | 990 | Secretary | 1 | $0 | $0 | View return |
| 2017 | The Fund for American Studies | 990 | Chairman | 24 | $95,000 | $0 | View return |
| 2017 | The Thomas Jefferson Institute for Public Policy | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2017 | Salzburg Global Seminar Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Escuela De Agricultura De La Region | 990 | Pres. Of Junta De Fiduciarios | 2 | $0 | $0 | View return |
| 2017 | Victims of Communism Memorial Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Hdi Inc. | 990 | Secretary | 1 | $0 | $0 | View return |
| 2017 | International Foundation for Electoral Systems | 990 | Secretary, Director | 1 | $0 | $0 | View return |
| 2016 | The Fund for American Studies | 990 | Chairman | 24 | $95,000 | $0 | View return |
| 2016 | Escuela De Agricultura De La Region | 990 | Pres. Of Junta De Fiduciarios | 2 | $0 | $0 | View return |
| 2016 | Salzburg Global Seminar Inc. | 990 | Secretary | 1 | $0 | $0 | View return |
| 2016 | Victims of Communism Memorial Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | The Thomas Jefferson Institute for Public Policy | 990 | Treasurer | 1 | - | - | View return |
| 2016 | Hdi Inc. | 990 | Secretary | 1 | $0 | $0 | View return |
| 2016 | International Foundation for Electoral Systems | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Virginia Institute of Marine Science Foundation | 990 | Board Member | 0.2 | $0 | $0 | View return |
| 2015 | The Fund for American Studies | 990 | Chairman | 24 | $95,000 | $0 | View return |
| 2015 | The Thomas Jefferson Institute for Public Policy | 990 | Treasurer | 1 | - | - | View return |
| 2015 | Escuela De Agricultura De La Region | 990 | Pres. Of Junta De Fiduciarios | 2 | $0 | $0 | View return |
| 2015 | Hdi Inc. | 990 | Secretary | 1 | $0 | $0 | View return |
| 2014 | Victims of Communism Memorial Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | The Fund for American Studies | 990 | Chairman | 1 | $0 | $0 | View return |
| 2014 | The Thomas Jefferson Institute for Public Policy | 990 | Treasurer | 1 | - | - | View return |
| 2014 | Hdi Inc. | 990 | Secretary | 1 | $0 | $0 | View return |
| 2013 | The Fund for American Studies | 990 | Chairman | 11 | $0 | $0 | View return |
| 2013 | The Thomas Jefferson Institute for Public Policy | 990 | Treasurer | 1 | - | - | View return |
| 2013 | Victims of Communism Memorial Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Hdi Inc. | 990 | Secretary | 1 | $0 | $0 | View return |