| 2024 | The Cullen Trust for Health Care | 990 | Chair/Public Trustee | 1 | $0 | $0 | View return |
| 2024 | Turtle Conservancy | 990 | Secretary | 1 | $0 | $0 | View return |
| 2024 | Lone Star Coastal Alliance | 990 | Treasurer | 0 | $0 | $0 | View return |
| 2024 | Longneck Manor Conservation Foundation | 990 | Director | 0.25 | $0 | $0 | View return |
| 2024 | Greater Houston Community Foundation | 990 | Governing Board Member | 2 | $0 | $0 | View return |
| 2023 | The Cullen Trust for Health Care | 990 | Chair/Public Trustee | 1 | $0 | $0 | View return |
| 2023 | Houston Zoo Inc. | 990 | Vice Chair Thru 6/23 | 1 | $0 | $0 | View return |
| 2023 | Greater Houston Community Foundation | 990 | Governing Board Member | 2 | $0 | $0 | View return |
| 2023 | Longneck Manor Conservation Foundation | 990 | Director | 0.25 | $0 | $0 | View return |
| 2023 | Turtle Conservancy | 990 | Secretary | 1 | $0 | $0 | View return |
| 2023 | Turtle Conservancy | 990 | Secretary | 1 | $0 | $0 | View return |
| 2022 | Turtle Conservancy | 990 | Secretary | 1 | $0 | $0 | View return |
| 2022 | The Cullen Trust for Health Care | 990 | Chair/Public Trustee | 1 | $0 | $0 | View return |
| 2022 | Lone Star Coastal Alliance | 990 | Director, Secretary, And T | 2 | $0 | $0 | View return |
| 2022 | Longneck Manor Conservation Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Houston Zoo Inc. | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2022 | Greater Houston Community Foundation | 990 | Governing Board Member | 0 | $0 | $0 | View return |
| 2021 | Longneck Manor Conservation Foundation | 990 | Board Member | 10 | $0 | $0 | View return |
| 2021 | Lone Star Coastal Alliance | 990 | Director, Secretary, And Treasurer | 2 | $0 | $0 | View return |
| 2021 | Greater Houston Community Foundation | 990 | Governing Board Member | 0 | $0 | $0 | View return |
| 2021 | Houston Zoo Inc. | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2021 | Turtle Conservancy | 990 | Secretary | 1 | $0 | $0 | View return |
| 2021 | The Cullen Trust for Health Care | 990 | Chair/Public Trustee | 1 | $0 | $0 | View return |
| 2021 | Houston Parks Board | 990 | Secretary | 3 | $0 | $0 | View return |
| 2020 | Houston Zoo Inc. | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2020 | The Cullen Trust for Health Care | 990 | Chair/P.Trustee | 1 | $0 | $0 | View return |
| 2020 | Turtle Conservancy | 990 | Secretary | 1 | $0 | $0 | View return |
| 2020 | Lone Star Coastal Alliance | 990 | Director And Treasurer | 2 | $0 | $0 | View return |
| 2020 | Houston Parks Board | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Houston Zoo Inc. | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2019 | Turtle Conservancy | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Lone Star Coastal Alliance | 990 | Director And Treasurer | 2 | $0 | $0 | View return |
| 2019 | The Cullen Trust for Health Care | 990 | Chair/P.Trustee | 1 | $0 | $0 | View return |
| 2019 | Longneck Manor Conservation Foundation | 990EZ | Director | 0.77 | $0 | $0 | View return |
| 2019 | Houston Parks Board | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Turtle Conservancy | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | The Cullen Trust for Health Care | 990 | Chair/P.Trustee | 1 | $0 | $0 | View return |
| 2018 | Lone Star Coastal Alliance | 990 | Director And Treasurer | 2 | $0 | $0 | View return |
| 2018 | Houston Zoo Inc. | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2018 | Bat Conservation International Inc. | 990 | Board Chair/Executive Committee | 1 | $0 | $0 | View return |
| 2018 | Houston Parks Board | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Lone Star Coastal Alliance | 990 | Director And Secretary | 2 | $0 | $0 | View return |
| 2017 | The Cullen Trust for Health Care | 990 | Chair/P.Trustee | 1 | $0 | $0 | View return |
| 2017 | Turtle Conservancy | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Houston Zoo Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Houston Parks Board | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Bat Conservation International Inc. | 990 | Board Chair/Executive Committee Chair | 1 | $0 | $0 | View return |
| 2016 | The Cullen Trust for Health Care | 990 | Chair | 1 | $0 | $0 | View return |
| 2016 | Houston Zoo Inc. | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2016 | Lone Star Coastal Alliance | 990 | Director And Secretary | 2 | $0 | $0 | View return |
| 2016 | Houston Parks Board | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Bat Conservation International Inc. | 990 | Board Chair/Executive & Nominations Committee Chai | 1 | $0 | $0 | View return |
| 2015 | Bat Conservation International Inc. | 990 | Chair | 1 | $0 | $0 | View return |
| 2015 | Lone Star Coastal Alliance | 990 | Director And Secretary | 2 | $0 | $0 | View return |
| 2015 | The Cullen Trust for Health Care | 990 | Chair | 1 | $0 | $0 | View return |
| 2014 | Houston Advanced Research Center | 990 | Director | 0.25 | $0 | $0 | View return |
| 2014 | The Cullen Trust for Health Care | 990 | Chair | 1 | - | - | View return |
| 2014 | Lone Star Coastal Alliance | 990 | Director And Secretary | 2 | $0 | $0 | View return |
| 2014 | Bat Conservation International Inc. | 990 | Vice-Chair | 1 | $0 | $0 | View return |
| 2014 | The Houston Seminar | 990EZ | Director | 1 | $0 | - | View return |
| 2013 | Houston Advanced Research Center | 990 | Director | 0.25 | $0 | $0 | View return |
| 2013 | Bat Conservation International Inc. | 990 | Vice-Chair | 1 | $0 | $0 | View return |
| 2013 | The Cullen Trust for Health Care | 990 | Chair | 1 | - | - | View return |
| 2013 | Contemporary Arts Museum Houston | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Houston Parks Board | 990 | Board Member | 1 | $0 | $0 | View return |