| 2024 | The Glassell Family Foundation Inc | 990PF | President | 0 | $240,000 | $0 | View return |
| 2024 | The Coronado Club | 990 | Secretary Jan-Feb/ Vice Chairman Mar-Dec | 1 | $0 | $0 | View return |
| 2024 | The Glassell Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2024 | Houston Museum of Natural Science | 990 | Trustee | 1 | $0 | $0 | View return |
| 2024 | Cardiopulmonary Perfusion Associates Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2024 | Texas Heart Institute | 990 | Vice Chair | 2 | $0 | $0 | View return |
| 2023 | The Glassell Family Foundation Inc | 990PF | President | 0 | $210,000 | $0 | View return |
| 2023 | The Coronado Club | 990 | Secretary/Director (Jan-Dec 2023) | 1 | $0 | $0 | View return |
| 2023 | Houston Museum of Natural Science | 990 | Exec. Committee | 1 | $0 | $0 | View return |
| 2023 | The Glassell Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2023 | Cardiopulmonary Perfusion Associates Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2023 | Texas Heart Institute | 990 | Vice Chair | 2 | $0 | $0 | View return |
| 2022 | The Glassell Family Foundation Inc | 990PF | President | 0 | $250,000 | $0 | View return |
| 2022 | Houston Museum of Natural Science | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Texas Heart Institute | 990 | Vice Chair | 2 | $0 | $0 | View return |
| 2022 | The Glassell Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2022 | The Coronado Club | 990 | Director (Jan-Dec 2022) | 1 | $0 | $0 | View return |
| 2022 | Cardiopulmonary Perfusion Associates Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | The Glassell Family Foundation Inc | 990PF | President | 0 | $610,000 | $0 | View return |
| 2021 | Houston Museum of Natural Science | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Texas Heart Institute | 990 | Vice Chair | 2 | $0 | $0 | View return |
| 2021 | The Coronado Club | 990 | Director (Mar-Dec 2021) | 1 | $0 | $0 | View return |
| 2021 | The Glassell Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2021 | Cardiopulmonary Perfusion Associates Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | Cardiopulmonary Perfusion Associates Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | The Glassell Family Foundation Inc | 990PF | President | 0 | $0 | $0 | View return |
| 2020 | Texas Heart Institute | 990 | Vice Chair | 2 | $0 | $0 | View return |
| 2020 | The Glassell Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2020 | Houston Museum of Natural Science | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | The Glassell Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2019 | The Glassell Family Foundation Inc | 990PF | President | 0 | $0 | $0 | View return |
| 2019 | Texas Heart Institute | 990 | Vice Chair | 2 | $0 | $0 | View return |
| 2019 | Houston Museum of Natural Science | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Cardiopulmonary Perfusion Associates Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | The Glassell Family Foundation Inc | 990PF | President | 0 | $415,000 | $0 | View return |
| 2018 | Houston Museum of Natural Science | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Monuments Men Foundation for the Preservation of Art | 990 | Director | 0 | $0 | $0 | View return |
| 2018 | The Glassell Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2018 | Texas Heart Institute | 990 | Vice Chair | 2 | $0 | $0 | View return |
| 2017 | Texas Heart Institute | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | Monuments Men Foundation for the Preservation of Art | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | The Glassell Family Foundation Inc | 990PF | President | 0 | $0 | $0 | View return |
| 2017 | Houston Museum of Natural Science | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | The Glassell Family Foundation Inc | 990PF | President | 0 | $210,924 | $0 | View return |
| 2016 | Texas Heart Institute | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | Monuments Men Foundation for the Preservation of Art | 990 | Director | 0 | $0 | $0 | View return |
| 2016 | Houston Museum of Natural Science | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | The Glassell Family Foundation Inc | 990PF | President | 0 | $195,300 | - | View return |
| 2015 | Monuments Men Foundation for the Preservation of Art | 990 | Director | 0 | $0 | $0 | View return |
| 2015 | Houston Museum of Natural Science | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Texas Heart Institute | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | The Glassell Foundation | 990PF | President | 0 | $0 | - | View return |
| 2014 | Houston Museum of Natural Science | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Texas Heart Institute | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | Monuments Men Foundation for the Preservation of Art | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Texas Heart Institute | 990 | Trustee | 5 | $0 | $0 | View return |
| 2013 | Monuments Men Foundation for the Preservation of Art | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | The Glassell Foundation | 990PF | President | 0 | $0 | - | View return |