| 2024 | Growth Energy | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | American Coalition for Ethanol | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Iowa Renewable Fuels Association | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | American Coalition for Ethanol | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Growth Energy | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Renewable Fuels Association | 990 | Rfa Secretary | 1 | $0 | $0 | View return |
| 2022 | American Coalition for Ethanol | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Iowa Renewable Fuels Association | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Growth Energy | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Renewable Fuels Association | 990 | Rfa Secretary | 1 | $0 | $0 | View return |
| 2021 | Iowa Renewable Fuels Association | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Growth Energy | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | American Coalition for Ethanol | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Renewable Fuels Association | 990 | Secretary | 3 | $0 | $0 | View return |
| 2021 | Us Grains Council | 990 | Agbus-Ethanol Sector Director | 2 | $0 | $0 | View return |
| 2020 | Growth Energy | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Iowa Renewable Fuels Association | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | American Coalition for Ethanol | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Us Grains Council | 990 | Agbus-Ethanol Sector Director | 2 | $0 | $0 | View return |
| 2020 | Renewable Fuels Association | 990 | Secretary | 3 | $0 | $0 | View return |
| 2019 | Iowa Renewable Fuels Association | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Growth Energy | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Us Grains Council | 990 | Agbus-Ethanol Sector Director | 2 | $0 | $0 | View return |
| 2019 | Renewable Fuels Association | 990 | Secretary | 3 | $0 | $0 | View return |
| 2018 | Growth Energy | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Iowa Renewable Fuels Association | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Renewable Fuels Association | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Iowa Renewable Fuels Association | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Renewable Fuels Association | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Iowa Renewable Fuels Association | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2016 | Renewable Fuels Association | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Iowa Renewable Fuels Association | 990 | Secretary | 1 | $0 | $0 | View return |
| 2015 | Renewable Fuels Association | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Iowa Renewable Fuels Association | 990 | Past President | 1 | $0 | $0 | View return |
| 2014 | Renewable Fuels Association | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Iowa Renewable Fuels Association | 990 | President | 5 | $0 | $0 | View return |
| 2013 | Renewable Fuels Association | 990 | Director | 1 | $0 | $0 | View return |