| 2025 | Arlington 4Th of July Association | 990EZ | Secretary | 10 | $0 | $0 | View return |
| 2025 | Mansfield Invitational Inc. | 990EZ | President | 0 | $0 | $0 | View return |
| 2024 | Casa of the Southern Tier Inc. | 990 | Secretary | 2 | $0 | $0 | View return |
| 2024 | American Society of Health Economists | 990 | Director | 0.5 | $0 | $0 | View return |
| 2024 | American Economic Association Inc. | 990 | Executive Committee | 1 | $0 | $0 | View return |
| 2024 | Mansfield Invitational Inc. | 990EZ | President | 0 | $0 | $0 | View return |
| 2024 | Kowalski Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | Kowalski Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | Casa of the Southern Tier Inc. | 990 | Secretary | 1.8 | $0 | $0 | View return |
| 2023 | Certification Council for Professional Dog Trainers | 990 | Vice Preside | - | $0 | $0 | View return |
| 2023 | American Society of Health Economists | 990 | Director | 0.5 | $0 | $0 | View return |
| 2022 | Certification Council for Professional Dog Trainers | 990 | Vice Preside | - | $0 | $0 | View return |
| 2022 | American Society of Health Economists | 990 | Director | 0.5 | $0 | $0 | View return |
| 2022 | Casa of the Southern Tier Inc. | 990 | Secretary | 2 | $0 | $0 | View return |
| 2022 | Common Ground Network Inc. | 990EZ | Member | 2 | $0 | - | View return |
| 2022 | Kowalski Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | Kowalski Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | Certification Council for Professional Dog Trainers | 990 | Vice Preside | - | $0 | $0 | View return |
| 2021 | American Society of Health Economists | 990 | Director | 0.5 | $0 | $0 | View return |
| 2021 | Casa of the Southern Tier Inc. | 990 | Secretary | 1.5 | $0 | $0 | View return |
| 2020 | American Society of Health Economists | 990 | Director | 0.5 | $0 | $0 | View return |
| 2020 | Kowalski Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | Casa of the Southern Tier Inc. | 990EZ | Board Member (Starting 5/2021) | 0.4 | $0 | $0 | View return |
| 2020 | Certification Council for Professional Dog Trainers | 990 | Vice Preside | - | $0 | $0 | View return |
| 2019 | Kowalski Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | American Society of Health Economists | 990 | Director | 0.5 | $0 | $0 | View return |
| 2019 | Certification Council for Professional Dog Trainers | 990 | Vice Preside | - | $0 | $0 | View return |
| 2019 | Pickled Mansfield Society | 990EZ | Vice President | 0 | $0 | $0 | View return |
| 2018 | Certification Council for Professional Dog Trainers | 990 | Vice Preside | - | $0 | $0 | View return |
| 2018 | Kowalski Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2018 | American Society of Health Economists | 990 | Director | 0.5 | $0 | $0 | View return |
| 2017 | Kowalski Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2017 | American Society of Health Economists | 990 | Director | 0.5 | $0 | $0 | View return |
| 2016 | Kowalski Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
