| 2024 | John and Margo Catsimatidis Foundation Inc. | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2024 | Wabc Radio Foundation Inc. | 990 | Vice President | 0.5 | $0 | $0 | View return |
| 2023 | Wabc Radio Foundation Inc. | 990EZ | Vice President | 0.5 | $0 | $0 | View return |
| 2023 | John and Margo Catsimatidis Foundation Inc. | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2023 | Hellenic Times Scholarship Fund | 990EZ | Vice Chairman/Treasurer | 0.5 | $0 | $0 | View return |
| 2022 | Hellenic Times Scholarship Fund | 990EZ | Vice Chairman/Treasurer | 0.5 | $0 | $0 | View return |
| 2022 | John and Margo Catsimatidis Foundation Inc. | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2022 | Wabc Radio Foundation Inc. | 990EZ | Vice President | 0.5 | $0 | $0 | View return |
| 2021 | John and Margo Catsimatidis Foundation Inc. | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2021 | Hellenic Times Scholarship Fund | 990EZ | Vice Chairman/Treasurer | 0.5 | $0 | $0 | View return |
| 2021 | Tolstoy Foundation Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2020 | John and Margo Catsimatidis Foundation Inc. | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2020 | Hellenic Times Scholarship Fund | 990EZ | Vice Chairman/Treasurer | 0.5 | $0 | $0 | View return |
| 2020 | Tolstoy Foundation Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2019 | Hellenic Times Scholarship Fund | 990EZ | Vice Chairman/Treasurer | 0.5 | $0 | $0 | View return |
| 2019 | John and Margo Catsimatidis Foundation Inc. | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2019 | Tolstoy Foundation Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2018 | John and Margo Catsimatidis Foundation Inc. | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2018 | Alliance of Guardian Angels Inc | 990 | Member | 0 | $0 | $0 | View return |
| 2018 | Hellenic Times Scholarship Fund | 990EZ | Vice Chairman/Treasurer | 0.5 | $0 | $0 | View return |
| 2018 | Tolstoy Foundation Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | Tolstoy Foundation Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | Hellenic Times Scholarship Fund | 990EZ | Vice-Chairman/Treasurer | 1 | $0 | $0 | View return |
| 2017 | John and Margo Catsimatidis Foundation Inc. | 990PF | Treasurer | 0 | $0 | $0 | View return |
| 2017 | Alliance of Guardian Angels Inc | 990 | Member | 0 | $0 | $0 | View return |
| 2016 | Tolstoy Foundation Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2016 | Hellenic Times Scholarship Fund | 990EZ | Vice-Chairman/Treasurer | 1 | $0 | $0 | View return |
| 2016 | Alliance of Guardian Angels Inc | 990 | Member | 0 | $0 | $0 | View return |
| 2015 | Hellenic Times Scholarship Fund | 990 | Vice-Chairman/Treasurer | 7 | $0 | $0 | View return |
| 2015 | Tolstoy Foundation Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2014 | John and Margo Catsimatidis Foundation Inc. | 990PF | Secretary/Treasurer | 0 | $0 | $0 | View return |
| 2014 | Hellenic Times Scholarship Fund | 990 | Vice-Chairman/Treasurer | 7 | $0 | $0 | View return |
| 2014 | Tolstoy Foundation Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Tolstoy Foundation Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Hellenic Times Scholarship Fund | 990 | Vice-Chairman/Treasurer | 7 | $0 | $0 | View return |
| 2013 | Alliance of Guardian Angels Inc | 990 | Member | - | $0 | $0 | View return |