| 2025 | Cedar Lawn Cemetery Association Inc | 990 | VP & Treasurer | 1 | $11,900 | $0 | View return |
| 2024 | Cedar Lawn Cemetery Association Inc | 990 | VP & Treasurer | 1 | $11,900 | $0 | View return |
| 2023 | Cedar Lawn Cemetery Association Inc | 990 | VP & Treasurer | 1 | $11,900 | $0 | View return |
| 2023 | Embry-Riddle Aeronautical University Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2022 | Cedar Lawn Cemetery Association Inc | 990 | VP & Treasurer | 1 | $11,900 | $0 | View return |
| 2022 | Embry-Riddle Aeronautical University Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2022 | Gymstrada Team Parents Association | 990 | Board Member (Former) | 3 | $0 | $0 | View return |
| 2022 | Benevolent & Protective Order of Elks of the USA | 990 | Lecturing Knight | 1 | $0 | $0 | View return |
| 2021 | Cedar Lawn Cemetery Association Inc | 990 | VP & Treasurer | 1 | $11,900 | $0 | View return |
| 2021 | Benevolent & Protective Order of Elks of the USA | 990 | Lecturing Knight | 1 | $0 | $0 | View return |
| 2021 | Gymstrada Team Parents Association | 990 | Board Member | 3 | $0 | $0 | View return |
| 2021 | Embry-Riddle Aeronautical University Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2020 | Gymstrada Team Parents Association | 990 | Board Member | 3 | $0 | $0 | View return |
| 2020 | Cedar Lawn Cemetery Association Inc | 990 | VP & Treasurer | 1 | $0 | $0 | View return |
| 2020 | Embry-Riddle Aeronautical University Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2019 | Cedar Lawn Cemetery Association Inc | 990 | VP & Treasurer | 1 | $11,900 | $0 | View return |
| 2019 | Agb Strategies | 990 | Director | 1 | $0 | $22,525 | View return |
| 2019 | Sac City Chamber of Commerce | 990EZ | Member | 1 | $0 | - | View return |
| 2019 | Embry-Riddle Aeronautical University Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2018 | Cedar Lawn Cemetery Association Inc | 990 | VP & Treasurer | 1 | $11,900 | $0 | View return |
| 2018 | Benevolent & Protective Order of Elks of the USA | 990 | Leading Knight | 1 | $0 | $0 | View return |
| 2018 | Sac City Chamber of Commerce | 990EZ | Member | 1.5 | $0 | - | View return |
| 2018 | Embry-Riddle Aeronautical University Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2017 | Cedar Lawn Cemetery Association Inc | 990 | VP & Treasurer | 1 | $12,900 | $0 | View return |
| 2017 | Benevolent & Protective Order of Elks of the USA | 990 | Lecturing Knight | 1 | $0 | $0 | View return |
| 2017 | Bayonne Jewish Community Center | 990 | Board Member | 10 | $0 | $0 | View return |
| 2017 | Embry-Riddle Aeronautical University Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2016 | Cedar Lawn Cemetery Association Inc | 990 | VP & Treasurer | 1 | $11,900 | $0 | View return |
| 2016 | The Big Ten Conference Inc | 990 | Former Director | 0 | $0 | $920,100 | View return |
| 2016 | Benevolent & Protective Order of Elks of the USA | 990 | Loyal Knight | 1 | $0 | $0 | View return |
| 2016 | Bayonne Jewish Community Center | 990 | Director | 10 | $0 | $0 | View return |
| 2015 | Cedar Lawn Cemetery Association Inc | 990 | VP & Treasurer | 1 | $12,900 | $0 | View return |
| 2015 | The Big Ten Conference Inc | 990 | Past Director | 5 | $0 | $526,964 | View return |
| 2015 | Bayonne Jewish Community Center | 990 | Director | 10 | $0 | $0 | View return |
| 2014 | Cedar Lawn Cemetery Association Inc | 990 | VP & Treasurer | 1 | $11,900 | $0 | View return |
| 2014 | Miller Endowment Incorporated | 990 | President & Director | 2 | $0 | $528,576 | View return |
| 2014 | University of Iowa Research Foundation | 990 | President | 1 | $0 | $528,576 | View return |
| 2014 | The Big Ten Conference Inc | 990 | Chair | 5 | $0 | $528,576 | View return |
| 2014 | Association of Public and Land-Grant Universities | 990 | Past Chair | 1 | $0 | $0 | View return |
| 2014 | Campus Compact | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Bayonne Jewish Community Center | 990 | Director | 10 | $0 | $0 | View return |
| 2014 | State University of Iowa Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Universities Research Association Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Cedar Lawn Cemetery Association Inc | 990 | VP & Treasurer | 1 | $11,900 | $0 | View return |
| 2013 | Miller Endowment Incorporated | 990 | President & Director | 2 | $0 | $511,770 | View return |
| 2013 | University of Iowa Research Foundation | 990 | President | 1 | $0 | $511,770 | View return |
| 2013 | The Big Ten Conference Inc | 990 | Chair | 5 | $0 | $511,770 | View return |
| 2013 | Bayonne Jewish Community Center | 990 | Director | 10 | $0 | $0 | View return |
| 2013 | Campus Compact | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | State University of Iowa Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Iowa City Unesco City of Literature | 990 | Vice President | 1 | $0 | $0 | View return |
| 2013 | Universities Research Association Inc. | 990 | Trustee | 1 | $0 | $0 | View return |