| 2025 | The Postl Family Foundation | 990PF | Pre/Director As Needed | 1 | $0 | $0 | View return |
| 2024 | American Heart Association Inc. | 990 | Board Member | 1 | $826 | $0 | View return |
| 2024 | The Postl Family Foundation | 990PF | Pre/Director As Needed | 1 | $0 | $0 | View return |
| 2024 | Newco Worldwide Inc. | 990EZ | Director | 0.1 | $0 | $0 | View return |
| 2023 | The Postl Family Foundation | 990PF | Pre/Director As Needed | 1 | $0 | $0 | View return |
| 2023 | Performing Arts Houston Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | American Heart Association Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Memorial Hermann Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | The Postl Family Foundation | 990PF | Pre/Director As Needed | 1 | $0 | $0 | View return |
| 2022 | Performing Arts Houston Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Memorial Hermann Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Greater Houston Partnership Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | The Postl Family Foundation | 990PF | Pre/Director As Needed | 1 | $0 | $0 | View return |
| 2021 | Memorial Hermann Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Performing Arts Houston Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | The Postl Family Foundation | 990PF | Pre/Director As Needed | 1 | $0 | $0 | View return |
| 2020 | Greater Houston Partnership Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Memorial Hermann Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Performing Arts Houston Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Early Matters Co Good Reason Houston | 990EZ | President | 10 | $0 | - | View return |
| 2019 | Greater Houston Partnership Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | The Postl Family Foundation | 990PF | Pre/Director As Needed | 1 | $0 | $0 | View return |
| 2019 | American Heart Association Inc. | 990 | Immediate Pa | 4 | $0 | $0 | View return |
| 2019 | Greater Houston Partnership Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Society for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Performing Arts Houston Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Memorial Hermann Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Early Matters Co Good Reason Houston | 990 | President | 10 | $0 | $0 | View return |
| 2018 | The Postl Family Foundation | 990PF | Pre/Director As Needed | 1 | $0 | $0 | View return |
| 2018 | Greater Houston Partnership Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Good Reason Houston Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | American Heart Association Inc. | 990 | Chairman | 6 | $0 | $0 | View return |
| 2018 | Performing Arts Houston Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Society for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Memorial Hermann Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Early Matters Co Good Reason Houston | 990 | President | 10 | $0 | $0 | View return |
| 2017 | The Postl Family Foundation | 990PF | Pre/Director As Need | 1 | $0 | $0 | View return |
| 2017 | Greater Houston Partnership Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | American Heart Association Inc. | 990 | Chairman | 7 | $0 | $0 | View return |
| 2017 | Society for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Performing Arts Houston Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Early Matters Co Good Reason Houston | 990 | President | 10 | $0 | $0 | View return |
| 2016 | The Postl Family Foundation | 990PF | Pre/Director As Need | 1 | $0 | $0 | View return |
| 2016 | Greater Houston Partnership Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | American Heart Association Inc. | 990 | Chairman-Elect | 5 | $0 | $0 | View return |
| 2016 | The Foundation for Jones Hall | 990 | President | 1 | $0 | $0 | View return |
| 2016 | Society for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Performing Arts Houston Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | The Postl Family Foundation | 990PF | Pre/Director As Need | 1 | $0 | $0 | View return |
| 2015 | The Foundation for Jones Hall | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2015 | American Heart Association Inc. | 990 | Chairman-Elect | 5 | $0 | $0 | View return |
| 2015 | Society for the Performing Arts | 990 | Vice President/Director | 1 | $0 | $0 | View return |
| 2015 | Performing Arts Houston Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | The Postl Family Foundation | 990PF | Pre/Director As Need | 1 | $0 | $0 | View return |
| 2014 | The Foundation for Jones Hall | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2014 | Performing Arts Houston Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Society for the Performing Arts | 990 | Vice President | 2 | $0 | $0 | View return |
| 2013 | The Postl Family Foundation | 990PF | Pre/Director As Need | 1 | $0 | $0 | View return |
| 2013 | The Foundation for Jones Hall | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2013 | American Heart Association Inc. | 990 | Board Member | 3 | $0 | $0 | View return |
| 2013 | Performing Arts Houston Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Society for the Performing Arts | 990 | Chairman | 2 | $0 | $0 | View return |