| 2024 | Maryland Steeplechase Assoc Inc | 990PF | Director | 2 | $0 | $0 | View return |
| 2023 | Maryland Steeplechase Assoc Inc | 990PF | Director | 2 | $0 | $0 | View return |
| 2023 | Land Preservation Trust Inc | 990 | Director | 7.5 | $0 | $0 | View return |
| 2023 | Scottsbluff Booster Club | 990 | Secretary | 1 | $0 | $0 | View return |
| 2023 | Bay Area Community Land Trust | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Greenspring Valley Hounds Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Scottsbluff Booster Club | 990 | Secretary | 1 | $0 | $0 | View return |
| 2022 | Maryland Steeplechase Assoc Inc | 990PF | President | 2 | $0 | $0 | View return |
| 2022 | Bay Area Community Land Trust | 990 | Secretary | 1 | $0 | $0 | View return |
| 2022 | Land Preservation Trust Inc | 990 | Director | 8 | $0 | $0 | View return |
| 2022 | Stephen P Bratkowski Memorial | 990 | President | 1 | $0 | $0 | View return |
| 2022 | Society of Stvincent De Paul | 990 | Director | 5 | $0 | $0 | View return |
| 2022 | Greenspring Valley Hounds Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Stephen P Bratkowski Memorial | 990 | President | 1 | $0 | $0 | View return |
| 2021 | Scottsbluff Booster Club | 990 | Secretary | 1 | $0 | $0 | View return |
| 2021 | Bay Area Community Land Trust | 990 | Secretary | 1 | $0 | $0 | View return |
| 2021 | Land Preservation Trust Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Maryland Steeplechase Assoc Inc | 990PF | President | 2 | $0 | $0 | View return |
| 2021 | Greenspring Valley Hounds Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Society of Stvincent De Paul | 990 | Director | 5 | $0 | $0 | View return |
| 2020 | Maryland Steeplechase Assoc Inc | 990PF | President | 2 | $0 | $0 | View return |
| 2020 | Sander Family Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2020 | Scottsbluff Booster Club | 990 | Secretary | 1 | $0 | $0 | View return |
| 2020 | Unmc Alumni Association | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Land Preservation Trust Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Stephen P Bratkowski Memorial | 990 | President | 1 | $0 | $0 | View return |
| 2020 | Society of Stvincent De Paul | 990 | Director | 5 | $0 | $0 | View return |
| 2019 | Maryland Steeplechase Assoc Inc | 990PF | President | 2 | $0 | $0 | View return |
| 2019 | Sander Family Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2019 | Unmc Alumni Association | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Society of Stvincent De Paul | 990 | Director | 5 | $0 | $0 | View return |
| 2019 | Bay Area Community Land Trust | 990 | Secretary | 0 | $0 | $0 | View return |
| 2018 | Maryland Steeplechase Assoc Inc | 990PF | President | 2 | $0 | $0 | View return |
| 2018 | Sander Family Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2018 | Unmc Alumni Association | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Society of Stvincent De Paul | 990 | Director | 5 | $0 | $0 | View return |
| 2017 | Sander Family Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2017 | Maryland Steeplechase Assoc Inc | 990PF | Vice President | 1 | $0 | - | View return |
| 2017 | Unmc Alumni Association | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Society of Stvincent De Paul | 990 | Director | 5 | $0 | $0 | View return |
| 2016 | Sander Family Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2015 | Sander Family Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2015 | Cor-Congregations Organizing for Renewal | 990EZ | Director At Large | 0 | $0 | $0 | View return |
| 2014 | Sander Family Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2014 | The Hutchison School | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Sander Family Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2013 | The Hutchison School | 990 | Trustee | 0 | $0 | $0 | View return |
| 2012 | Sander Family Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2011 | Sander Family Foundation | 990PF | Director | 1 | $0 | $0 | View return |