| 2025 | Travis County Parks Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Travis County Parks Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Texas Fund for Energy and Environmental Education | 990 | President | 1 | $0 | $0 | View return |
| 2023 | Chihuahuan Desert Research Institute | 990 | Member At Large | 0 | $0 | $0 | View return |
| 2023 | Texas Fund for Energy and Environmental Education | 990 | President | 1 | $0 | $0 | View return |
| 2023 | Travis County Parks Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Chihuahuan Desert Research Institute | 990 | Member At Large | 0 | $0 | $0 | View return |
| 2022 | Travis County Parks Foundation | 990EZ | At Large | 2 | $0 | $0 | View return |
| 2022 | Texas Fund for Energy and Environmental Education | 990 | President | 1 | $0 | $0 | View return |
| 2021 | Chihuahuan Desert Research Institute | 990 | Member At Large | 0 | $0 | $0 | View return |
| 2021 | Texas Fund for Energy and Environmental Education | 990 | President | 1 | $0 | $0 | View return |
| 2020 | Texas Fund for Energy and Environmental Education | 990 | President | 1 | $0 | $0 | View return |
| 2020 | Chihuahuan Desert Research Institute | 990 | Member At Large | 0 | $0 | $0 | View return |
| 2019 | Beloit Youth Hockey Association Inc. | 990EZ | Director | 5 | $0 | $0 | View return |
| 2019 | Texas Fund for Energy and Environmental Education | 990 | President | 1 | $0 | $0 | View return |
| 2019 | Foundation Industries Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2018 | Texas Fund for Energy and Environmental Education | 990 | President | 1 | $0 | $0 | View return |
| 2018 | Foundation Industries Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2017 | Foundation Industries Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2017 | Texas Fund for Energy and Environmental Education | 990 | President | 1 | $0 | $0 | View return |
| 2016 | Foundation Industries Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2016 | Texas Fund for Energy and Environmental Education | 990 | President | 1 | $0 | $0 | View return |
| 2016 | Aclu Foundation of Texas Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2016 | American CIVIL Liberties Union of Texas Inc | 990 | Member | 1 | $0 | $0 | View return |
| 2015 | Aclu Foundation of Texas Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2015 | American CIVIL Liberties Union of Texas Inc | 990 | Member | 1 | $0 | $0 | View return |
| 2015 | Texas Fund for Energy and Environmental Education | 990 | President | 1 | $0 | $0 | View return |
| 2015 | Foundation Industries Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2014 | Texas Fund for Energy and Environmental Education | 990 | President | 1 | $0 | $0 | View return |
| 2014 | Foundation Industries Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2014 | American CIVIL Liberties Union of Texas Inc | 990 | Member | 1 | $0 | $0 | View return |
| 2014 | Aclu Foundation of Texas Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2013 | Texas Fund for Energy and Environmental Education | 990 | President | 1 | $0 | $0 | View return |
| 2013 | Foundation Industries Inc | 990 | Board Member | 0 | $0 | $0 | View return |
