| 2023 | Iowa City Public Library Friends Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Iowa City Public Library Friends Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | American Fence Association Inc | 990 | Imm Past Pres. | 1 | $0 | $0 | View return |
| 2021 | Afa Education Foundation | 990EZ | Chairman Elect | 0.5 | $0 | - | View return |
| 2021 | Iowa City Public Library Friends Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Afa Education Foundation | 990EZ | Director/Secretary-Treasurer | 0.5 | $0 | $0 | View return |
| 2020 | American Fence Association Inc | 990 | President - New | 1 | $0 | $0 | View return |
| 2019 | American Fence Association Inc | 990 | Director/Vice P-Past/President Elect-New | 1 | $0 | $0 | View return |
| 2019 | Afa Education Foundation | 990EZ | Director/Secretary-Treasur | 0.5 | $0 | $0 | View return |
| 2018 | Afa Education Foundation | 990EZ | Director/Secretary-Treasurer | 0.5 | $0 | $0 | View return |
| 2018 | Colorado Chapter American Society of Landscape Architects | 990EZ | Treasurer | 1 | $0 | - | View return |
| 2018 | American Fence Association Inc | 990 | Director/Treas-Past/Vice Pres-New | 1 | $0 | $0 | View return |
| 2018 | Afa Education Foundation | 990EZ | Director/Secretary-Treasurer | 0.5 | $0 | $0 | View return |
| 2018 | American Fence Association Inc | 990 | Director/Treas-Past/Vice Pres-New | 1 | $0 | $0 | View return |
| 2017 | Afa Education Foundation | 990EZ | Secretary-Treasurer | 0.5 | $0 | $0 | View return |
| 2017 | Colorado Chapter American Society of Landscape Architects | 990EZ | Treasurer | 1 | $0 | - | View return |
| 2017 | American Fence Association Inc | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2016 | Colorado Chapter American Society of Landscape Architects | 990EZ | VP Programs | 1 | $0 | - | View return |
| 2016 | American Fence Association Inc | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2016 | Afa Education Foundation | 990EZ | Secretary-Treasurer | 0.5 | $0 | $0 | View return |
| 2015 | Colorado Chapter American Society of Landscape Architects | 990EZ | VP Programs | 1 | $0 | - | View return |
| 2015 | Afa Education Foundation | 990EZ | Secretary-Treasurer | 0.5 | $0 | $0 | View return |
| 2015 | American Fence Association Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Big Brothers & Big Sisters of Cedar Rapids and East Central Iowa Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Colorado Chapter American Society of Landscape Architects | 990EZ | VP Programs | 0 | $0 | - | View return |
| 2014 | Afa Education Foundation | 990EZ | Secretary-Treasurer | 0.5 | $0 | $0 | View return |
| 2014 | American Fence Association Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Charlotte County Family YMCA Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Big Brothers & Big Sisters of Cedar Rapids and East Central Iowa Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | American Fence Association Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | American Fence Association Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Big Brothers & Big Sisters of Cedar Rapids and East Central Iowa Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Charlotte County Family YMCA Inc | 990 | Director | 2 | $0 | $0 | View return |