| 2024 | The Neurosurgical Atlas Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Vollertsen Jack R Annuity Trust | 990 | Vice President & Assistant Secretary | - | $0 | $0 | View return |
| 2023 | The Neurosurgical Atlas Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | State University of Iowa Foundation | 990 | VP/Asst Secretary | 40 | $354,518 | $0 | View return |
| 2021 | Stanley-University of Iowa Foundation Support Org Alumni Cent | 990 | Assistant Treasurer | 1 | $0 | $354,518 | View return |
| 2021 | University of Iowa Facilities Corporation | 990 | VP/Asst Secretary | 1 | $0 | $354,518 | View return |
| 2021 | Vollertsen Jack R Annuity Trust | 990 | Vice President & Assistant Secretary | - | $0 | $0 | View return |
| 2020 | State University of Iowa Foundation | 990 | VP/Asst Secretary | 40 | $346,871 | $0 | View return |
| 2020 | University of Iowa Facilities Corporation | 990 | VP/Asst Secretary | 1 | $0 | $346,871 | View return |
| 2020 | Stanley-University of Iowa Foundation Support Org Alumni Cent | 990 | Assistant Treasurer | 1 | $0 | $346,871 | View return |
| 2020 | Iowa Law School Foundation | 990 | Assistant Treasurer | 5 | $0 | $0 | View return |
| 2020 | Vollertsen Jack R Annuity Trust | 990 | Vice President & Assistant Secretary | - | $0 | $0 | View return |
| 2019 | State University of Iowa Foundation | 990 | VP/Asst Secretary | 40 | $370,422 | $0 | View return |
| 2019 | Stanley-University of Iowa Foundation Support Org Alumni Cent | 990 | Assistant Treasurer | 1 | $0 | $370,422 | View return |
| 2019 | University of Iowa Facilities Corporation | 990 | VP/Asst Secretary | 1 | $0 | $370,422 | View return |
| 2019 | Vollertsen Jack R Annuity Trust | 990 | Vice President & Assistant Secretary | - | $0 | $0 | View return |
| 2019 | Iowa Scholarship Fund Inc | 990 | Assistant Treasurer | 1 | $0 | $0 | View return |
| 2019 | Christian Retirement Services Inc. Oaknoll Retirement Residence | 990 | Secretary, Director | 1 | $0 | $0 | View return |
| 2019 | Iowa Law School Foundation | 990 | Assistant Treasurer | 5 | $0 | $0 | View return |
| 2018 | State University of Iowa Foundation | 990 | VP/Asst Secretary | 40 | $368,883 | $0 | View return |
| 2018 | University of Iowa Facilities Corporation | 990 | VP/Asst Secretary | 1 | $0 | $368,883 | View return |
| 2018 | Iowa Law School Foundation | 990 | Assistant Treasurer | 5 | $0 | $0 | View return |
| 2018 | Christian Retirement Services Inc. Oaknoll Retirement Residence | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | State University of Iowa Foundation | 990 | VP/Asst Secretary | 40 | $313,596 | $0 | View return |
| 2016 | State University of Iowa Foundation | 990 | VP/Asst Secretary | 40 | $297,060 | $0 | View return |
| 2015 | State University of Iowa Foundation | 990 | VP/Asst Secretary | 40 | $279,755 | $0 | View return |
| 2014 | State University of Iowa Foundation | 990 | VP/Asst Secretary | 40 | $268,153 | $0 | View return |
| 2013 | State University of Iowa Foundation | 990 | VP/Asst Secretary | 40 | $259,231 | $0 | View return |