| 2024 | The Summer Foundation | 990PF | Director | 0.25 | $0 | $0 | View return |
| 2024 | Christian Service Mission Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2023 | The Summer Foundation | 990PF | Director | 0.25 | $0 | $0 | View return |
| 2023 | Forest Landowners Association Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Christian Service Mission Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2022 | Forest Landowners Association Inc | 990 | Nominating Chairman | 1 | $0 | $0 | View return |
| 2022 | The Summer Foundation | 990PF | Director | 0.25 | $0 | $0 | View return |
| 2022 | Christian Service Mission Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2021 | North Dallas Chamber of Commerce Foundation Inc. | 990EZ | Director | 0.25 | $0 | $0 | View return |
| 2021 | The Summer Foundation | 990PF | Director | 0.25 | $0 | $0 | View return |
| 2021 | Forest Landowners Association Inc | 990 | Nominating Chairman | 1 | $0 | $0 | View return |
| 2021 | Christian Service Mission Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2021 | Associated Students Inc California Polytechnic State Univ San Luis Obispo | 990 | Director | 10 | $0 | $0 | View return |
| 2020 | The Summer Foundation | 990PF | Director | 0.25 | $0 | $0 | View return |
| 2020 | North Dallas Chamber of Commerce Foundation Inc. | 990EZ | Vice-President/Director | 0.25 | $0 | $0 | View return |
| 2020 | Forest Landowners Association Inc | 990 | Nominating Chairman | 1 | $0 | $0 | View return |
| 2020 | The Siegel Family Foundation Inc | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2020 | Fox Chapel Racquet Club | 990 | Vice-President | 2 | $0 | $0 | View return |
| 2020 | Christian Service Mission Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2019 | North Dallas Chamber of Commerce Foundation Inc. | 990EZ | Vice-President/Director | 0.25 | $0 | $0 | View return |
| 2019 | Eden Water Works Company | 990 | Vice Preside | 0.5 | $0 | $0 | View return |
| 2019 | The Siegel Family Foundation Inc | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2019 | Forest Landowners Association Inc | 990 | Nominating Chairman | 1 | $0 | $0 | View return |
| 2019 | Christian Service Mission Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2018 | Meriden Historical Society Incorporated | 990 | Board Member | 0 | $0 | $0 | View return |
| 2018 | Eden Water Works Company | 990 | Vice Preside | 0.27 | $0 | $0 | View return |
| 2018 | The Siegel Family Foundation Inc | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2018 | Forest Landowners Association Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Christian Service Mission Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2017 | Forest Landowners Association Inc | 990 | Regional Vice President | 1 | $0 | $0 | View return |
| 2017 | Eden Water Works Company | 990 | Vice Preside | 0.33 | $0 | $0 | View return |
| 2017 | The Siegel Family Foundation Inc | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2017 | Christian Service Mission Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2016 | The Siegel Family Foundation Inc | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2016 | Christian Service Mission Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2016 | Forest Landowners Association Inc | 990 | Regional Vice President | 1 | $0 | $0 | View return |
| 2015 | Forest Landowners Association Inc | 990 | Regional Vice President | 1 | $0 | $0 | View return |
| 2015 | Big Thought | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Christian Service Mission Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2014 | Forest Landowners Association Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Big Thought | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Christian Service Mission Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2013 | Meriden Historical Society Incorporated | 990 | Vice-Preside | 1 | $0 | $0 | View return |
| 2013 | William J and Sally R Siegel Foundation Ltd. | 990PF | President/Treasurer | 0 | $0 | $0 | View return |
| 2013 | Forest Landowners Association Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Thanks to Scandinavia Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Southwest Jewish Congress | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | Christian Service Mission Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2012 | William J and Sally R Siegel Foundation Ltd. | 990PF | President/Treasurer | 0 | $0 | $0 | View return |
| 2011 | William J and Sally R Siegel Foundation Ltd. | 990PF | President | 0 | $0 | $0 | View return |