| 2025 | Byron J and Linda a Stigge Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2024 | Byron J and Linda a Stigge Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2023 | Byron J and Linda a Stigge Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2023 | The Forum for Urban Design Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Byron J and Linda a Stigge Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2022 | The Forum for Urban Design Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Byron J and Linda a Stigge Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2021 | The Forum for Urban Design Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | The Forum for Urban Design Inc. | 990 | Vice President | 2 | $0 | $0 | View return |
| 2020 | Byron J and Linda a Stigge Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2019 | The Forum for Urban Design Inc. | 990 | Vice President | 0 | $0 | $0 | View return |
| 2019 | Byron J and Linda a Stigge Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2019 | House Corporation of Delta Tau Delta Fraternity | 990 | Director | 0 | $0 | $0 | View return |
| 2018 | Byron J and Linda a Stigge Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2018 | House Corporation of Delta Tau Delta Fraternity | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | The Forum for Urban Design Inc. | 990 | Vice President | 0 | $0 | $0 | View return |
| 2017 | House Corporation of Delta Tau Delta Fraternity | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | Byron J and Linda a Stigge Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2016 | House Corporation of Delta Tau Delta Fraternity | 990 | Director | 0 | $0 | $0 | View return |
| 2016 | The Forum for Urban Design Inc. | 990 | Treasurer | 0 | $0 | $0 | View return |
| 2016 | Byron J and Linda a Stigge Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2015 | Byron J and Linda a Stigge Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2015 | The Forum for Urban Design Inc. | 990EZ | Treasurer | 0 | $0 | $0 | View return |
| 2015 | House Corporation of Delta Tau Delta Fraternity | 990 | Director | - | $0 | $0 | View return |
| 2014 | House Corporation of Delta Tau Delta Fraternity | 990 | Director | - | - | - | View return |
| 2014 | The Forum for Urban Design Inc. | 990EZ | Treasurer | 0 | $0 | $0 | View return |
| 2014 | Byron J and Linda a Stigge Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2013 | The Forum for Urban Design Inc. | 990EZ | Vice President | 0 | $0 | $0 | View return |
| 2013 | Byron J and Linda a Stigge Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2013 | House Corporation of Delta Tau Delta Fraternity | 990 | Director | - | - | - | View return |
| 2012 | Byron J and Linda a Stigge Foundation | 990PF | Director | 4 | $0 | $0 | View return |