| 2024 | Sanford Consortium for Regenerative | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Sanford Consortium for Regenerative | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Sanford Consortium for Regenerative | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Mt Pleasant Cemetery Assn of Sioux Falls | 990 | President Oc | 1 | $0 | $0 | View return |
| 2020 | Mt Pleasant Cemetery Assn of Sioux Falls | 990 | Secretary | 1 | $0 | $0 | View return |
| 2020 | The National Academies Corporation | 990 | Board Member (End 2/15/20) | 1 | $0 | $0 | View return |
| 2019 | The National Academies Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Mt Pleasant Cemetery Assn of Sioux Falls | 990 | Secretary | 1 | $0 | $0 | View return |
| 2019 | National Academy of Sciences | 990 | Nas Council Member End 6/30/19 | 4 | $0 | $0 | View return |
| 2018 | Mt Pleasant Cemetery Assn of Sioux Falls | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | The National Academies Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | National Academy of Sciences | 990 | Nas Council Member | 4 | $0 | $0 | View return |
| 2017 | Academy of Neuroscience for Architecture | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Mt Pleasant Cemetery Assn of Sioux Falls | 990 | Board Member | 0 | $0 | $0 | View return |
| 2017 | National Academy of Sciences | 990 | Nas Council Member | 4 | $0 | $0 | View return |
| 2017 | The National Academies Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Academy of Neuroscience for Architecture | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Mt Pleasant Cemetery Assn of Sioux Falls | 990 | Board Member | 0 | $0 | $0 | View return |
| 2016 | Sertoma International Club | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | National Academy of Sciences | 990 | Nas Council Member Beg 7/1/16 | 4 | $0 | $0 | View return |
| 2016 | The National Academies Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | International Society for STEM Cell Rese | 990 | Ex Officio Member | 1 | $0 | $0 | View return |
| 2015 | Sertoma International Club | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | The National Academies Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Academy of Neuroscience for Architecture | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | St Stephen'S School | 990 | Board Of Trustee | 1 | $0 | $0 | View return |
| 2014 | The National Academies Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | International Society for STEM Cell Rese | 990 | Ex Officio Member | 1 | $0 | $0 | View return |
| 2014 | Academy of Neuroscience for Architecture | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | St Stephen'S School | 990 | Board Of Trustee | 1 | $0 | $0 | View return |
| 2013 | Academy of Neuroscience for Architecture | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | The National Academies Corporation | 990 | Board Member - Beg 7/1/13 | 1 | $0 | $0 | View return |
| 2013 | International Society for STEM Cell Rese | 990 | Ex Officio Member | 1 | $0 | $0 | View return |
| 2013 | St Stephen'S School | 990 | Board Of Trustee | 1 | $0 | $0 | View return |