| 2025 | Institute for Justice | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Institute for Justice | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Center for Competitive Politics | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Moving Picture Institute | 990 | Chairman | 0 | $0 | $0 | View return |
| 2024 | American Council on Science and Health | 990 | Vc Until 6/24/Trustee As Of 6/24 | 1 | $0 | $0 | View return |
| 2024 | The Reason Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2024 | Modzelewski Charitable Tr Us 100196 C/O Sterling Foundation Management LLC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | Institute for Justice | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Court Sports for Life Foundation | 990 | President | 15 | $0 | $0 | View return |
| 2023 | Freedomworks Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Center for Competitive Politics | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Moving Picture Institute | 990 | Chairman | 0 | $0 | $0 | View return |
| 2023 | Modzelewski Charitable Tr Us 100196 C/O Sterling Foundation Management LLC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | American Council on Science and Health | 990 | Vice-Chairman | 2 | $0 | $0 | View return |
| 2023 | The Reason Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Institute for Justice | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Center for Competitive Politics | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Court Sports for Life Foundation | 990 | Chair/Director | 2 | $0 | $0 | View return |
| 2022 | Moving Picture Institute | 990 | Director And Chair Person | 1 | $0 | $0 | View return |
| 2022 | Freedomworks Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | American Council on Science and Health | 990 | Vice-Chairman | 2 | $0 | $0 | View return |
| 2022 | Freedomworks Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | The Reason Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Modzelewski Charitable Tr Us 100196 C/O Sterling Foundation Management LLC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | Institute for Justice | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Freedomworks Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Center for Competitive Politics | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Moving Picture Institute | 990 | Director And Chairperson | 1 | $0 | $0 | View return |
| 2021 | Court Sports for Life Foundation | 990 | Chair/Director | 1 | $0 | $0 | View return |
| 2021 | The Reason Foundation | 990 | Board Chair | 1 | $0 | $0 | View return |
| 2021 | Modzelewski Charitable Tr Us 100196 C/O Sterling Foundation Management LLC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | American Council on Science and Health | 990 | Vice-Chairman | 2 | $0 | $0 | View return |
| 2020 | Freedomworks Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Court Sports for Life Foundation | 990EZ | Chair | 1 | $0 | $0 | View return |
| 2020 | Moving Picture Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Center for Competitive Politics | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Institute for Justice | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Modzelewski Charitable Tr Us 100196 C/O Sterling Foundation Management LLC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | The Reason Foundation | 990 | Board Chair | 1 | $0 | $0 | View return |
| 2020 | American Council on Science and Health | 990 | Vice-Chairman | 5 | $0 | $0 | View return |
| 2019 | Moving Picture Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Freedomworks Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Center for Competitive Politics | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Modzelewski Charitable Tr Us 100196 C/O Sterling Foundation Management LLC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | American Council on Science and Health | 990 | Vice-Chairman | 5 | $0 | $0 | View return |
| 2019 | The Reason Foundation | 990 | Board Chair | 1 | $0 | $0 | View return |
| 2018 | Moving Picture Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Freedomworks Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Center for Competitive Politics | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | American Council on Science and Health | 990 | Vice-Chairman | 5 | $0 | $0 | View return |
| 2018 | The Reason Foundation | 990 | Board Chair | 1 | $0 | $0 | View return |
| 2018 | Center for Competitive Politics | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Center for Competitive Politics | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Moving Picture Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | American Council on Science and Health | 990 | Vice-Chairman | 5 | $0 | $0 | View return |
| 2017 | The Reason Foundation | 990 | Board Chair | 1 | $0 | $0 | View return |
| 2016 | Institute for Justice | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Moving Picture Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | The Reason Foundation | 990 | Board Chair | 1 | $0 | $0 | View return |
| 2016 | American Council on Science and Health | 990 | Vice-Chairman | 5 | $0 | $0 | View return |
| 2015 | Institute for Justice | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Moving Picture Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | The Reason Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | American Council on Science and Health | 990 | Vice-Chairman | 5 | $0 | $0 | View return |
| 2014 | Institute for Justice | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Moving Picture Institute | 990 | Director | 5 | $0 | $0 | View return |
| 2014 | American Council on Science and Health | 990 | Vice-Chairman | 5 | $0 | $0 | View return |
| 2014 | The Reason Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Modzelewski Charitable Tr Us 100196 C/O Sterling Foundation Management LLC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2013 | The Reason Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2012 | Modzelewski Charitable Tr Us 100196 C/O Sterling Foundation Management LLC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2012 | Modzelewski Charitable Tr Us 100196 C/O Sterling Foundation Management LLC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2011 | Modzelewski Charitable Tr Us 100196 C/O Sterling Foundation Management LLC | 990PF | Trustee | 1 | $0 | $0 | View return |