| 2024 | Donald Learner Family Foundation | 990PF | President Treasurer-Secy, | 0.5 | $0 | $0 | View return |
| 2024 | The Lincoln Academy of Illinois | 990 | Regent | 1 | $0 | $0 | View return |
| 2024 | Citizen Action Illinois | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Forest Preserve Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Environmental Law and Policy Center of the Midwest | 990 | President And Executive Director | 60 | $500,332 | $0 | View return |
| 2023 | Environmental Law and Policy Center Action Fund | 990 | President & Ass'T Treasurer | 1 | $0 | $500,332 | View return |
| 2023 | Citizen Action Illinois | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Donald Learner Family Foundation | 990PF | President Treasurer-Secy, | 0.5 | $0 | $0 | View return |
| 2023 | The Lincoln Academy of Illinois | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Forest Preserve Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Environmental Law and Policy Center of the Midwest | 990 | President & Executive Director | 60 | $503,514 | $0 | View return |
| 2022 | Environmental Law and Policy Center Action Fund | 990 | President & Ass'T Treasurer | 1 | $0 | $503,514 | View return |
| 2022 | The Lincoln Academy of Illinois | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Forest Preserve Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Citizen Action Illinois | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Donald Learner Family Foundation | 990PF | President Treasurer-Secy, | 0.5 | $0 | $0 | View return |
| 2021 | Environmental Law and Policy Center of the Midwest | 990 | President & Executive Director | 60 | $469,868 | $0 | View return |
| 2021 | Citizen Action Illinois | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Forest Preserve Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | The Lincoln Academy of Illinois | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Donald Learner Family Foundation | 990PF | President Treasurer-Secy, | 0.5 | $0 | $0 | View return |
| 2021 | Environmental Law and Policy Center Action Fund | 990EZ | President & Ass'T Treasurer | 1 | $0 | $0 | View return |
| 2020 | Environmental Law and Policy Center of the Midwest | 990 | President & Executive Director | 60 | $456,233 | $0 | View return |
| 2020 | Environmental Law and Policy Center Action Fund | 990 | President, Exec. Director & Asst. Treas. | 1 | $0 | $456,233 | View return |
| 2020 | The Lincoln Academy of Illinois | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | American Friends of the Israel Union for Environmental Defense | 990EZ | Director | 3 | $0 | $0 | View return |
| 2020 | Citizen Action Illinois | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Forest Preserve Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Donald Learner Family Foundation | 990PF | President Treasurer-Secy, | 0 | $0 | $0 | View return |
| 2019 | Environmental Law and Policy Center of the Midwest | 990 | President & Executive Director | 60 | $444,324 | $0 | View return |
| 2019 | Environmental Law and Policy Center Action Fund | 990 | President, Exec. Director & Asst. Treas. | 1 | $0 | $444,324 | View return |
| 2019 | Forest Preserve Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | American Friends of the Israel Union for Environmental Defense | 990 | Director | 3 | $0 | $0 | View return |
| 2019 | The Lincoln Academy of Illinois | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Citizen Action Illinois | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Environmental Law and Policy Center of the Midwest | 990 | President & Executive Director | 60 | $420,691 | $0 | View return |
| 2018 | Environmental Law and Policy Center Action Fund | 990 | President, Exec. Director & Asst. Treas. | 1 | $0 | $420,691 | View return |
| 2018 | Citizen Action Illinois | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | American Friends of the Israel Union for Environmental Defense | 990 | Director | 3 | $0 | $0 | View return |
| 2017 | Environmental Law and Policy Center of the Midwest | 990 | President & Executive Director | 60 | $383,879 | $0 | View return |
| 2017 | Citizen Action Illinois | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | American Friends of the Israel Union for Environmental Defense | 990 | Director | 3 | $0 | $0 | View return |
| 2017 | Environmental Law and Policy Center Action Fund | 990EZ | President & Ass'T Treasurer | 1 | $0 | $0 | View return |
| 2016 | Environmental Law and Policy Center of the Midwest | 990 | President, Ass'T Treasurer | 60 | $371,600 | $0 | View return |
| 2016 | Citizen Action Illinois | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | American Friends of the Israel Union for Environmental Defense | 990 | Director | 3 | $0 | $0 | View return |
| 2016 | Environmental Law and Policy Center Action Fund | 990EZ | President, Ass'T Treasurer | 1 | $0 | $0 | View return |
| 2015 | Environmental Law and Policy Center of the Midwest | 990 | President, Ass'T Treasurer | 60 | $353,909 | $0 | View return |
| 2015 | Environmental Law and Policy Center Action Fund | 990 | President, Ass'T Treasurer | 1 | $0 | $353,909 | View return |
| 2015 | Citizen Action Illinois | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | American Friends of the Israel Union for Environmental Defense | 990 | Director | 3 | $0 | $0 | View return |
| 2015 | Fellows of the Rsa in the United States | 990EZ | Chair | 6 | $0 | - | View return |
| 2014 | Environmental Law and Policy Center of the Midwest | 990 | President | 60 | $317,444 | $0 | View return |
| 2014 | Environmental Law and Policy Center Action Fund | 990 | President | 1 | $0 | $317,444 | View return |
| 2014 | Citizen Action Illinois | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | American Friends of the Israel Union for Environmental Defense | 990 | Vice President | 3 | $0 | $0 | View return |
| 2014 | Fellows of the Rsa in the United States | 990EZ | Trustee/Chairman | 1 | $0 | - | View return |
| 2014 | Forest Preserve Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Environmental Law and Policy Center of the Midwest | 990 | President & Assistant Treasurer | 60 | $317,554 | $0 | View return |
| 2013 | Environmental Law and Policy Center Action Fund | 990 | President & Assistant Treasurer | 1 | $0 | $317,554 | View return |
| 2013 | American Friends of the Israel Union for Environmental Defense | 990 | Vice President | 3 | $0 | $0 | View return |
| 2013 | Fellows of the Rsa in the United States | 990EZ | Trustee | 1 | $0 | - | View return |
| 2013 | Forest Preserve Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Citizen Action Illinois | 990 | Director | 1 | $0 | $0 | View return |