| 2024 | The Emil J & Marie D Kochton Foundation | 990PF | Trustee | 2 | $1,000 | $0 | View return |
| 2024 | Olga Fleisher Ornithological | 990PF | Vice-Preside | 0 | $0 | $0 | View return |
| 2023 | The Emil J & Marie D Kochton Foundation | 990PF | Trustee | 2 | $1,000 | $0 | View return |
| 2023 | Olga Fleisher Ornithological | 990PF | Vice-Preside | 0 | $0 | $0 | View return |
| 2023 | Kaplan Educational Foundation | 990 | Board Member | 3 | $0 | $0 | View return |
| 2022 | Olga Fleisher Ornithological | 990PF | Vice-Preside | 0 | $0 | $0 | View return |
| 2022 | Kaplan Educational Foundation | 990 | Director | 3 | $0 | $0 | View return |
| 2021 | American Roentgen Ray Society | 990 | Director Of Education | 37.5 | $116,010 | $0 | View return |
| 2021 | Olga Fleisher Ornithological | 990PF | Vice-Preside | 0 | $0 | $0 | View return |
| 2021 | Kaplan Educational Foundation | 990 | Director | 3 | $0 | $0 | View return |
| 2020 | American Roentgen Ray Society | 990 | Director Of Education | 37.5 | $123,228 | $0 | View return |
| 2020 | Olga Fleisher Ornithological | 990PF | Vice-Preside | 0 | $0 | $0 | View return |
| 2020 | Kaplan Educational Foundation | 990 | Director | 3 | $0 | $0 | View return |
| 2019 | American Roentgen Ray Society | 990 | Director Of Education | 37.5 | $120,488 | $0 | View return |
| 2019 | Olga Fleisher Ornithological | 990PF | Vice-Pres | 0 | $0 | $0 | View return |
| 2019 | Kaplan Educational Foundation | 990 | Director | 3 | $0 | $0 | View return |
| 2018 | American Roentgen Ray Society | 990 | Director Of Education | 37.5 | $120,129 | $0 | View return |
| 2018 | Chebeague Transportation Co | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Olga Fleisher Ornithological | 990PF | Vice-Pres | 0 | $0 | $0 | View return |
| 2018 | Kaplan Educational Foundation | 990 | Director | 3 | $0 | $0 | View return |
| 2017 | American Roentgen Ray Society | 990 | Director Of Education | 37.5 | $108,254 | $0 | View return |
| 2017 | Chebeague Transportation Co | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Olga Fleisher Ornithological | 990PF | Vice-Pres | 0 | $0 | $0 | View return |
| 2016 | Chebeague Transportation Co | 990 | Vice Preside | 4 | $0 | $0 | View return |
| 2016 | Olga Fleisher Ornithological | 990PF | Vice-Pres | 0 | $0 | $0 | View return |
| 2015 | Olga Fleisher Ornithological | 990PF | Vice-Pres | 0 | $0 | $0 | View return |
| 2014 | Olga Fleisher Ornithological | 990PF | Vice-Pres | 0 | $0 | $0 | View return |
| 2013 | Olga Fleisher Ornithological | 990PF | Vice-Pres | 0 | $0 | $0 | View return |
| 2012 | Olga Fleisher Ornithological | 990PF | Vice-Pres | 0 | $0 | $0 | View return |
| 2011 | Olga Fleisher Ornithological | 990PF | Vice-Pres | 0 | $0 | $0 | View return |
| 2010 | Olga Fleisher Ornithological | 990PF | Vice-Pres | 0 | $0 | $0 | View return |