| 2024 | Indian Hills Country Club | 990 | Vice President | 2 | $0 | $0 | View return |
| 2023 | Gospel Book and Tract Depot | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Innovative Pavement Research Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Indian Hills Country Club | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2022 | Innovative Pavement Research Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Indian Hills Country Club | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2022 | Gospel Book and Tract Depot | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Indian Hills Country Club | 990 | Secretary | 2 | $0 | $0 | View return |
| 2021 | Des Moines Poverty Relief Trust | 990EZ | Trustee | 3 | $0 | - | View return |
| 2021 | Innovative Pavement Research Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Gospel Book and Tract Depot | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Indian Hills Country Club | 990 | Board Of Directors | 2 | $0 | $0 | View return |
| 2020 | American Concrete Pavement Association | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Des Moines Poverty Relief Trust | 990EZ | Trustee | 3 | $0 | - | View return |
| 2020 | Gospel Book and Tract Depot | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Des Moines Poverty Relief Trust | 990EZ | Trustee | 3 | $0 | - | View return |
| 2019 | Gospel Book and Tract Depot | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | American Concrete Pavement Association | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Indian Hills Country Club | 990 | Board Of Directors | 2 | $0 | $0 | View return |
| 2018 | National Assistance Foundation | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2018 | Des Moines Poverty Relief Trust | 990EZ | Trustee | 3 | $0 | - | View return |
| 2018 | American Concrete Pavement Association | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Indian Hills Country Club | 990 | Board Of Directors | 2 | $0 | $0 | View return |
| 2018 | Gospel Book and Tract Depot | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Des Moines Poverty Relief Trust | 990EZ | Trustee | 3 | $0 | - | View return |
| 2017 | American Concrete Pavement Association | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Des Moines Poverty Relief Trust | 990 | Trustee | 3 | $0 | $0 | View return |
| 2016 | American Concrete Pavement Association | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Des Moines Poverty Relief Trust | 990EZ | Trustee | 3 | $0 | - | View return |
| 2015 | American Concrete Pavement Association | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Sterling Education Inc Finance Manager South | 990 | Vice President | 10 | $0 | $0 | View return |
| 2014 | American Concrete Pavement Association | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Des Moines Poverty Relief Trust | 990EZ | Trustee | 3 | $0 | - | View return |
| 2014 | Sterling Education Inc Finance Manager South | 990 | Vice President | 10 | $0 | $0 | View return |
| 2013 | Des Moines Poverty Relief Trust | 990EZ | Trustee | 3 | $0 | - | View return |
| 2013 | Sterling Education Inc Finance Manager South | 990 | Vice President | 10 | $0 | $0 | View return |
| 2013 | American Concrete Pavement Association | 990 | Director | 1 | $0 | $0 | View return |