| 2025 | Mackinac Center Charitable Foundation | 990EZ | President | 0 | $0 | $0 | View return |
| 2024 | Mackinac Center | 990 | President | 50 | $467,801 | $0 | View return |
| 2024 | Center for Worker Progress Action Inc | 990EZ | President | 0 | $0 | $0 | View return |
| 2024 | Chicago Freedom Trust | 990PF | Co-Trustee | 0 | $0 | $0 | View return |
| 2024 | Mackinac Center Charitable Foundation | 990EZ | President | 0 | $0 | $0 | View return |
| 2024 | Wright Image Group Inc. | 990EZ | Director | 2 | $0 | - | View return |
| 2024 | Institute for the American Worker | 990 | Board Of Directors | 1 | $0 | $0 | View return |
| 2023 | Mackinac Center | 990 | President | 50 | $457,411 | $0 | View return |
| 2023 | Mackinac Center Action | 990 | Secretary/Treasurer | 0.1 | $0 | $457,411 | View return |
| 2023 | Mackinac Center Charitable Foundation | 990EZ | President | 0 | $0 | $0 | View return |
| 2023 | National Taxpayers Union Foundation | 990 | Vice Chairman/Director | 1 | $0 | $0 | View return |
| 2023 | Chicago Freedom Trust | 990PF | Co-Trustee | 0.5 | $0 | $0 | View return |
| 2023 | National Taxpayers Union | 990 | Vice Chairman/Director | 1 | $0 | $0 | View return |
| 2023 | Center for Worker Progress Action Inc | 990EZ | President | 0 | $0 | $0 | View return |
| 2023 | Charter-Tech High School for the Performing Arts Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | National Taxpayers Union Foundation | 990 | Vice Chairman/Director | 1 | $0 | $0 | View return |
| 2022 | Mackinac Center Charitable Foundation | 990EZ | President | 0 | $0 | $0 | View return |
| 2022 | Center for Worker Progress Action Inc | 990 | President | 0 | $0 | $0 | View return |
| 2022 | Chicago Freedom Trust | 990PF | Co-Trustee | 0.5 | $0 | $0 | View return |
| 2022 | National Taxpayers Union | 990 | Vice Chairman/Director | 1 | $0 | $0 | View return |
| 2022 | Charter-Tech High School for the Performing Arts Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | National Taxpayers Union | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2021 | National Taxpayers Union Foundation | 990 | Vice Chairman/Director | 1 | $0 | $0 | View return |
| 2021 | National Taxpayers Union | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2021 | National Taxpayers Union Foundation | 990 | Vice Chairman/Director | 1 | $0 | $0 | View return |
| 2021 | Center for Worker Progress Action Inc | 990EZ | Chairman | 0.25 | $0 | $0 | View return |
| 2021 | Chicago Freedom Trust | 990PF | Co-Trustee | 0.5 | $0 | $0 | View return |
| 2021 | Wright Image Group Inc. | 990EZ | Development | 5 | $0 | - | View return |
| 2021 | Williamsburg House of Mercy Inc. | 990 | Co-President | 1 | $0 | $0 | View return |
| 2021 | Mackinac Center Charitable Foundation | 990EZ | President | 0 | $0 | $0 | View return |
| 2021 | Charter-Tech High School for the Performing Arts Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | National Taxpayers Union Foundation | 990 | Vice Chairman/Director | 1 | $0 | $0 | View return |
| 2020 | National Taxpayers Union | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2020 | Chicago Freedom Trust | 990PF | Co-Trustee | 0.5 | $0 | $0 | View return |
| 2020 | Wright Image Group Inc. | 990EZ | Development | 2.5 | $0 | - | View return |
| 2020 | Williamsburg House of Mercy Inc. | 990 | Co-President | 1 | $0 | $0 | View return |
| 2020 | Charter-Tech High School for the Performing Arts Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | National Taxpayers Union Foundation | 990 | Vice Chairman/Director | 1 | $0 | $0 | View return |
| 2019 | Wright Image Group Inc. | 990EZ | Development | 16 | $0 | - | View return |
| 2019 | Chicago Freedom Trust | 990PF | Co-Trustee | 0.5 | $0 | $0 | View return |
| 2019 | National Taxpayers Union | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2019 | Williamsburg House of Mercy Inc. | 990 | Co-President | 1 | $0 | $0 | View return |
| 2019 | Charter-Tech High School for the Performing Arts Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | Chicago Freedom Trust | 990PF | Co-Trustee | 0.5 | $0 | $0 | View return |
| 2018 | National Taxpayers Union | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2018 | Wright Image Group Inc. | 990EZ | Director | 23.4 | $0 | - | View return |
| 2018 | National Taxpayers Union Foundation | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2018 | Williamsburg House of Mercy Inc. | 990 | Co-President | 1 | $0 | $0 | View return |
| 2018 | Charter-Tech High School for the Performing Arts Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | Fairness Center Inc. | 990 | Trustee And Treasurer | 2 | $0 | $0 | View return |
| 2017 | National Taxpayers Union | 990 | Vice Chairma | 1 | $0 | $0 | View return |
| 2017 | National Taxpayers Union Foundation | 990 | Vice Chairma | 1 | $0 | $0 | View return |
| 2017 | Chicago Freedom Trust | 990PF | Co-Trustee | 0.5 | $0 | $0 | View return |
| 2017 | Charter-Tech High School for the Performing Arts Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | National Taxpayers Union | 990 | Vice Chairma | 5 | $0 | $0 | View return |
| 2016 | Chicago Freedom Trust | 990PF | Co-Trustee | 0.5 | $0 | $0 | View return |
| 2016 | Fairness Center Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | National Taxpayers Union Foundation | 990 | Vice Chairma | 2 | $0 | $0 | View return |
| 2016 | Manhattan Youth Athletic Association | 990EZ | President | 1 | $0 | - | View return |
| 2015 | Pocono Mountain Cliffside CIVIC Club Inc | 990EZ | Secretary | 10 | $2,100 | $0 | View return |
| 2015 | National Taxpayers Union Foundation | 990 | Vice Chairma | 2 | $0 | $0 | View return |
| 2015 | National Taxpayers Union | 990 | Vice Chairma | 5 | $0 | $0 | View return |
| 2015 | Manhattan Youth Athletic Association | 990EZ | President | 1 | $0 | - | View return |
| 2014 | Fairness Center Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2013 | St. Mark Village Inc. | 990 | Director | 1 | $0 | $0 | View return |