| 2024 | Bulgarian-American Society Inc. | 990EZ | Vice President | 2 | $0 | $0 | View return |
| 2024 | Belldegrun Family Foundation Inc. | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2023 | Bulgarian-American Society Inc. | 990EZ | Vice President | 2 | $0 | $0 | View return |
| 2023 | The American Academy of Diplomacy | 990 | Director | 0.25 | $0 | $0 | View return |
| 2023 | Belldegrun Family Foundation Inc. | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2023 | Sofia American Schools Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Belldegrun Family Foundation Inc. | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2022 | Bulgarian-American Society Inc. | 990EZ | Vice President | 2 | $0 | $0 | View return |
| 2022 | The American Academy of Diplomacy | 990 | Director | 0.25 | $0 | $0 | View return |
| 2022 | Sofia American Schools Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Belldegrun Family Foundation Inc. | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2021 | Bulgarian-American Society Inc. | 990EZ | Vice President | 2 | $0 | $0 | View return |
| 2021 | The American Academy of Diplomacy | 990 | Director | 0.25 | $0 | $0 | View return |
| 2021 | Sofia American Schools Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Bulgarian-American Society Inc. | 990EZ | Vice President | 2 | $0 | - | View return |
| 2020 | The American Academy of Diplomacy | 990 | Director | 0.25 | $0 | $0 | View return |
| 2020 | Belldegrun Family Foundation Inc. | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2019 | Sofia American Schools Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Belldegrun Family Foundation Inc. | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2019 | Bulgarian-American Society Inc. | 990EZ | Vice Preside | 2 | $0 | - | View return |
| 2019 | The American Academy of Diplomacy | 990 | Director | 0.25 | $0 | $0 | View return |
| 2018 | Bulgarian-American Society Inc. | 990EZ | Vice Preside | 2 | $0 | - | View return |
| 2018 | The Bee Club Inc | 990 | Legal Chair | 1 | $0 | $0 | View return |
| 2018 | The American Academy of Diplomacy | 990 | Director | 0.25 | $0 | $0 | View return |
| 2018 | Sofia American Schools Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | The Bee Club Inc | 990 | Legal Chair | 1 | $0 | $0 | View return |
| 2017 | Bulgarian-American Society Inc. | 990EZ | Vice Preside | 0 | $0 | - | View return |
| 2017 | Sofia American Schools Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Bulgarian-American Society Inc. | 990EZ | Vice Preside | 0 | $0 | - | View return |
| 2016 | Sofia American Schools Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | International Research and Exchanges Board Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Sofia American Schools Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Bulgarian-American Society Inc. | 990EZ | Vice Preside | 0 | $0 | - | View return |
| 2014 | Sofia American Schools Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Sofia American Schools Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | The Henry L Stimson Center | 990 | Board Member | 1 | - | - | View return |