| 2024 | Lewis Wetzel Rifle & Pistol Club Inc C/O Friedrich Hempelmann | 990 | Executive Di | 1 | $0 | $0 | View return |
| 2024 | Goodwill Industries of South Texas Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | South Texas Institute for the Arts | 990 | Treasurer/Finance Committee Chair | 1 | $0 | $0 | View return |
| 2024 | Texas State Aquarium Association | 990 | Member | 1 | $0 | $0 | View return |
| 2023 | Lewis Wetzel Rifle & Pistol Club Inc C/O Friedrich Hempelmann | 990 | Executive Director | 1 | $0 | $0 | View return |
| 2023 | Goodwill Industries of South Texas Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Texas State Aquarium Association | 990 | Member | 1 | $0 | $0 | View return |
| 2023 | Chi Phi Fraternity Inc | 990 | Grand Gamma | 1 | $0 | $0 | View return |
| 2022 | Lewis Wetzel Rifle & Pistol Club Inc C/O Friedrich Hempelmann | 990 | Executive Director | 1 | $0 | $0 | View return |
| 2022 | Texas State Aquarium Association | 990 | Member | 1 | $0 | $0 | View return |
| 2022 | Goodwill Industries of South Texas Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Chi Phi Fraternity Inc | 990 | Grand Gamma | 1 | $0 | $0 | View return |
| 2021 | Lewis Wetzel Rifle & Pistol Club Inc C/O Friedrich Hempelmann | 990 | Executive Director | 1 | $0 | $0 | View return |
| 2021 | Goodwill Industries of South Texas Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Texas State Aquarium Association | 990 | Member | 1 | $0 | $0 | View return |
| 2021 | National Organization for Albinism and Hypopigmentation | 990 | Board Treasu | 1 | $0 | $0 | View return |
| 2021 | Chi Phi Fraternity Inc | 990 | Grand Gamma | 1 | $0 | $0 | View return |
| 2020 | National Organization for Albinism and Hypopigmentation | 990 | Board Treasu | 1 | $0 | $0 | View return |
| 2020 | Goodwill Industries of South Texas Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Texas State Aquarium Association | 990 | Member | 1 | $0 | $0 | View return |
| 2020 | Lewis Wetzel Rifle & Pistol Club Inc C/O Friedrich Hempelmann | 990 | Executive Director | 1 | $0 | $0 | View return |
| 2019 | Lewis Wetzel Rifle & Pistol Club Inc C/O Friedrich Hempelmann | 990EZ | Executive Director | 1 | $0 | $0 | View return |
| 2019 | National Organization for Albinism and Hypopigmentation | 990 | Board Treasu | 1 | $0 | $0 | View return |
| 2019 | Goodwill Industries of South Texas Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | National Organization for Albinism and Hypopigmentation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Lewis Wetzel Rifle & Pistol Club Inc C/O Friedrich Hempelmann | 990EZ | Executive Director | 1 | $0 | $0 | View return |
| 2018 | The Red MILL Museum Village Inc | 990 | Vice President | 0 | $0 | $0 | View return |
| 2017 | National Organization for Albinism and Hypopigmentation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Lewis Wetzel Rifle & Pistol Club Inc C/O Friedrich Hempelmann | 990EZ | Executive Director | 1 | $0 | $0 | View return |
| 2017 | The Red MILL Museum Village Inc | 990 | Vice President | 0 | $0 | $0 | View return |
| 2017 | Hillcrest Family Services | 990 | Treasurer Until Mar 2018 | 0.3 | $0 | $0 | View return |
| 2016 | National Organization for Albinism and Hypopigmentation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | The Red MILL Museum Village Inc | 990 | Vice President | 0 | $0 | $0 | View return |
| 2016 | Hillcrest Family Services | 990 | Treasurer | 0.3 | $0 | $0 | View return |
| 2015 | National Organization for Albinism and Hypopigmentation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | The Red MILL Museum Village Inc | 990 | Trustee | 0 | $0 | $0 | View return |
| 2015 | Hillcrest Family Services | 990 | Treasurer Began March 2016 | 0.3 | $0 | $0 | View return |
| 2014 | The Red MILL Museum Village Inc | 990 | Trustee | 0 | $0 | $0 | View return |
| 2014 | Hillcrest Family Services | 990 | Member | 0.3 | $0 | $0 | View return |
| 2013 | The Red MILL Museum Village Inc | 990 | Trustee | 0 | $0 | $0 | View return |
