| 2024 | Iowans for Tax Relief Foundation | 990EZ | Chairman | 1 | $0 | $0 | View return |
| 2024 | Iowans for Tax Relief | 990 | Chairman | 1 | $0 | $0 | View return |
| 2024 | New Hope Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2024 | Voorhees Family Foundation | 990PF | Director | 2 | $0 | $0 | View return |
| 2024 | Tax Education Support Organization | 990 | Chairman | 2 | $0 | $0 | View return |
| 2023 | Iowans for Tax Relief | 990 | Chairman | 2 | $0 | $0 | View return |
| 2023 | New Hope Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2023 | Tax Education Support Organization | 990 | Chairman | 2 | $0 | $0 | View return |
| 2023 | Iowans for Tax Relief Foundation | 990 | Chairman | 1 | $0 | $0 | View return |
| 2023 | Voorhees Family Foundation | 990PF | Director | 2 | $0 | - | View return |
| 2023 | Iowa College Foundation | 990 | Past Board Chair | 1 | $0 | $0 | View return |
| 2023 | Iowa Association of Business & Industry | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Surdna Foundation Inc | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2023 | Hoover Presidential Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Tax Education Support Organization | 990 | Chairman | 2 | $0 | $0 | View return |
| 2022 | New Hope Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2022 | Voorhees Family Foundation | 990PF | Director | 2 | $0 | - | View return |
| 2022 | Iowans for Tax Relief | 990 | Chairman | 2 | $0 | $0 | View return |
| 2022 | Iowans for Tax Relief Foundation | 990EZ | Chairman | 1 | $0 | $0 | View return |
| 2022 | Surdna Foundation Inc | 990PF | Treasurer/Secretary | 1 | $0 | $0 | View return |
| 2022 | Iowa Association of Business & Industry | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Iowa College Foundation | 990 | Board Chair | 1 | $0 | $0 | View return |
| 2022 | Hoover Presidential Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Voorhees Family Foundation | 990PF | Director | 2 | $0 | - | View return |
| 2021 | Iowans for Tax Relief | 990 | Chairman | 2 | $0 | $0 | View return |
| 2021 | Iowa Association of Business & Industry | 990 | Assistant Chair | 1 | $0 | $0 | View return |
| 2021 | New Hope Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2021 | Tax Education Support Organization | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2021 | Surdna Foundation Inc | 990PF | Treasurer/Secretary | 1 | $0 | $0 | View return |
| 2021 | Iowa College Foundation | 990 | Board Chair | 1 | $0 | $0 | View return |
| 2021 | Hoover Presidential Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Tax Education Support Organization | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2020 | Iowans for Tax Relief | 990 | Chairman | 2 | $0 | $0 | View return |
| 2020 | Voorhees Family Foundation | 990PF | Director | 2 | $0 | - | View return |
| 2020 | Surdna Foundation Inc | 990PF | Treasurer/Secretary | 1 | $0 | $0 | View return |
| 2020 | Iowa Association of Business & Industry | 990 | Assistant Chair | 1 | $0 | $0 | View return |
| 2020 | Hoover Presidential Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Tax Education Support Organization | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2019 | Iowans for Tax Relief | 990 | Chairman | 2 | $0 | $0 | View return |
| 2019 | New Hope Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2019 | Overlook House | 990 | Secretary | 1 | $0 | $0 | View return |
| 2019 | Iowa Association of Business & Industry | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Iowa College Foundation | 990 | Member | 1 | $0 | $0 | View return |
| 2019 | Hoover Presidential Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Surdna Foundation Inc | 990PF | Treasurer/Secretary | 1 | $0 | $0 | View return |
| 2018 | New Hope Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2018 | Iowans for Tax Relief | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2018 | Iowa Association of Business & Industry | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Tax Education Support Organization | 990 | Vice Chairman | 5 | $0 | $0 | View return |
| 2018 | Overlook House | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Hoover Presidential Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Iowa College Foundation | 990 | Member | 1 | $0 | $0 | View return |
| 2018 | Surdna Foundation Inc | 990PF | Treasurer/Secretary | 1 | $0 | $0 | View return |
| 2017 | Tax Education Support Organization | 990 | Finance Chai | 1 | $0 | $0 | View return |
| 2017 | New Hope Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2017 | Iowans for Tax Relief | 990 | Finance Chai | 1 | $0 | $0 | View return |
| 2017 | Overlook House | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Iowa College Foundation | 990 | Member | 1 | $0 | $0 | View return |
| 2017 | Iowa Association of Business & Industry | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Surdna Foundation Inc | 990PF | Treasurer/Secretary | 1 | $0 | $0 | View return |
| 2017 | Hoover Presidential Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Surdna Foundation Inc | 990PF | Treasurer/Secretary | 1 | $0 | $0 | View return |
| 2016 | Iowans for Tax Relief | 990 | Finance Chai | 1 | $0 | $0 | View return |
| 2016 | Iowans for Tax Relief Foundation | 990EZ | Finance Chai | 1 | $0 | - | View return |
| 2016 | Tax Education Support Organization | 990 | Finance Chai | 1 | $0 | $0 | View return |
| 2016 | Iowa Association of Business & Industry | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Iowa College Foundation | 990 | Member | 1 | $0 | $0 | View return |
| 2016 | Hoover Presidential Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Iowans for Tax Relief Foundation | 990EZ | Finance Chai | 4 | $0 | - | View return |
| 2015 | Iowa Association of Business & Industry | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Tax Education Support Organization | 990 | Finance Chai | 5 | $0 | $0 | View return |
| 2015 | Iowans for Tax Relief | 990 | Finance Chai | 4 | $0 | $0 | View return |
| 2014 | Tax Education Support Organization | 990 | Fin Chairman | 10 | $0 | $0 | View return |
| 2014 | Iowans for Tax Relief Foundation | 990EZ | Fin. Chair | 5 | $0 | - | View return |
| 2014 | Iowans for Tax Relief | 990 | Fin. Chairman | 5 | $0 | $0 | View return |
| 2014 | Iowa Association of Business & Industry | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Iowa Association of Business & Industry | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Tax Education Support Organization | 990 | Fin Chairman | 10 | $0 | $0 | View return |
| 2013 | Iowans for Tax Relief | 990 | Fin. Chairman | 0 | $0 | $0 | View return |
| 2013 | Iowans for Tax Relief Foundation | 990EZ | Fin. Chair | 0 | $0 | - | View return |