| 2025 | Texas Association of Defense | 990 | Director | - | $0 | $0 | View return |
| 2024 | Texans for Greater Mental Health Inc | 990 | Member | 2 | $0 | $0 | View return |
| 2024 | Howard W and Katherine L Gwaltney | 990PF | Trustee | 0 | $0 | - | View return |
| 2024 | Texas Association of Defense | 990 | Director | - | $0 | $0 | View return |
| 2024 | Virginia Beach Events Unlimited Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Texas Association of Defense | 990 | Director | - | $0 | $0 | View return |
| 2023 | Sandler Center for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Howard W and Katherine L Gwaltney | 990PF | Trustee | 0 | $0 | - | View return |
| 2023 | Central Valley Clean Water Assn | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2023 | Texans for Greater Mental Health Inc | 990 | Member | 2 | $0 | $0 | View return |
| 2022 | Howard W and Katherine L Gwaltney | 990PF | Trustee | 0 | $0 | - | View return |
| 2022 | Sandler Center for the Performing Arts | 990 | Vice Chair | 5 | $0 | $0 | View return |
| 2022 | Westminster Canterbury on Chesapeake Bay | 990 | Trustee, Treasurer | 1 | $0 | $0 | View return |
| 2022 | International Biogeography Society Inc | 990EZ | Board Member | 2 | $0 | $0 | View return |
| 2022 | Central Valley Clean Water Assn | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | The Ballentine Home Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Howard W and Katherine L Gwaltney | 990PF | Trustee | 0 | $0 | - | View return |
| 2021 | Westminster Canterbury on Chesapeake Bay | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Central Valley Clean Water Assn | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Sandler Center for the Performing Arts | 990 | Vice Chair | 5 | $0 | $0 | View return |
| 2020 | Howard W and Katherine L Gwaltney | 990PF | Trustee | 0 | $0 | - | View return |
| 2020 | Westminster Canterbury on Chesapeake Bay | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Sandler Center for the Performing Arts | 990 | Vice Chair | 5 | $0 | $0 | View return |
| 2020 | The Ballentine Home Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Sandler Center for the Performing Arts | 990 | Vice Chair | 5 | $0 | $0 | View return |
| 2019 | Howard W and Katherine L Gwaltney | 990PF | Trustee | 0 | $0 | - | View return |
| 2019 | Westminster Canterbury on Chesapeake Bay | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | The Ballentine Home Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Sandler Center for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Howard W and Katherine L Gwaltney | 990PF | Trustee | 0 | $0 | - | View return |
| 2018 | Westminster Canterbury on Chesapeake Bay | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Ballentine Home Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Sandler Center for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Howard W and Katherine L Gwaltney | 990PF | Trustee | 0 | $0 | - | View return |
| 2017 | International Biogeography Society Inc | 990EZ | President Elect | 0 | $0 | $0 | View return |
| 2017 | The Ballentine Home Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Sandler Center for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Westminster Canterbury on Chesapeake Bay | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Howard W and Katherine L Gwaltney | 990PF | Trustee | 0 | $0 | - | View return |
| 2016 | Sandler Center for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Cora Inc | 990 | Secretary | 0 | $0 | $0 | View return |
| 2015 | Howard W and Katherine L Gwaltney | 990PF | Trustee | 0 | $0 | - | View return |
| 2015 | Cora Inc | 990 | Secretary | 0 | $0 | $0 | View return |
| 2015 | San Antonio Chapter of Associated | 990 | Director | 0.7 | $0 | $0 | View return |
| 2015 | Sandler Center for the Performing Arts | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Childrens Chorus of San Antonio | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2014 | Howard W and Katherine L Gwaltney | 990PF | Trustee | 0 | $0 | - | View return |
| 2014 | Sandler Center for the Performing Arts | 990 | Vice President | 5 | $0 | $0 | View return |
| 2014 | Cora Inc | 990 | Secretary | 0 | $0 | $0 | View return |
| 2013 | Childrens Chorus of San Antonio | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2013 | San Antonio Chapter of Associated | 990 | Director | 0.7 | - | - | View return |
| 2013 | Sandler Center for the Performing Arts | 990 | Vice President | 1 | $0 | $0 | View return |