| 2024 | Greater Washington Educational Telecommunications Association Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2024 | International Institute for Conflict Prevention & Resolution Inc | 990 | Chair, Baf: Treasurer | 1 | $0 | $0 | View return |
| 2023 | Greater Washington Educational Telecommunications Association Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | International Institute for Conflict Prevention & Resolution Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Chicago Shakespeare Theater | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | The Trustees of Anatolia College | 990 | Trustee | 2 | $0 | $0 | View return |
| 2023 | Pinewood Schools of Thessaloniki Greece | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2022 | International Institute for Conflict Prevention & Resolution Inc | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2022 | Pinewood Schools of Thessaloniki Greece | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2022 | Greater Washington Educational Telecommunications Association Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Greater Washington Educational Telecommunications Association Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Chicago Shakespeare Theater | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | The Trustees of Anatolia College | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | Greater Washington Educational Telecommunications Association Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | International Institute for Conflict Prevention & Resolution Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Pinewood Schools of Thessaloniki Greece | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2021 | The Trustees of Anatolia College | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | Pinewood Schools of Thessaloniki Greece | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2020 | International Institute for Conflict Prevention & Resolution Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | The Trustees of Anatolia College | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | Wolf Trap Foundation for the Performing Arts | 990 | Director - Thru 02/19 | 1 | $0 | $0 | View return |
| 2019 | Pinewood Schools of Thessaloniki Greece | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2019 | International Institute for Conflict Prevention & Resolution Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Greater Washington Educational Telecommunications Association Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Wolf Trap Foundation for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Greater Washington Educational Telecommunications Association Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | International Institute for Conflict Prevention & Resolution Inc | 990 | Member | 1 | $0 | $0 | View return |
| 2018 | Pinewood Schools of Thessaloniki Greece | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2018 | Greater Washington Educational Telecommunications Association Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Wolf Trap Foundation for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Greater Washington Educational Telecommunications Association Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | International Institute for Conflict Prevention & Resolution Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Greater Washington Educational Telecommunications Association Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Wolf Trap Foundation for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | International Institute for Conflict Prevention & Resolution Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Greater Washington Educational Telecommunications Association Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Wolf Trap Foundation for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | International Institute for Conflict Prevention & Resolution Inc | 990 | Director As Of 2/16 | 1 | $0 | $0 | View return |
| 2015 | Greater Washington Educational Telecommunications Association Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Wolf Trap Foundation for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Greater Washington Educational Telecommunications Association Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Greater Washington Educational Telecommunications Association Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Wolf Trap Foundation for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |