| 2025 | Off the Streets York Inc | 990EZ | Administrator | 12 | $0 | $0 | View return |
| 2025 | Brennan Family Foundation | 990PF | Chairman | 1 | $0 | $0 | View return |
| 2024 | American Fly Fishing Trade Association Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Intermountain Tennis Association | 990 | Section Delegate | 3 | $0 | $0 | View return |
| 2024 | Montana Tennis Association Co Sarrah Carlson | 990EZ | Secretary | 0.25 | $0 | - | View return |
| 2024 | Brennan Family Foundation | 990PF | Chairman | 1 | $0 | $0 | View return |
| 2024 | Public Land Water Access Association Inc. | 990EZ | Director | 2 | $0 | - | View return |
| 2024 | Overland Expo Foundation Incorporated | 990 | Board Member | 3 | $0 | $0 | View return |
| 2024 | Advaita Society- Mount Madonna School | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Public Land Water Access Association Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Intermountain Tennis Association | 990 | President | 3 | $0 | $0 | View return |
| 2023 | Montana Tennis Association Co Sarrah Carlson | 990EZ | Secretary | 0.25 | $0 | - | View return |
| 2023 | Rotary Club of York - North | 990EZ | President - Elect | 2 | $0 | $0 | View return |
| 2023 | Advaita Society- Mount Madonna School | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Montana Tennis Association Co Sarrah Carlson | 990EZ | Secretary | 0.25 | $0 | - | View return |
| 2022 | Intermountain Tennis Association | 990 | Vice President, Mt Rep | 3 | $0 | $0 | View return |
| 2021 | Elisabeth Morrow School Inc | 990 | Head Of Lower School | 35 | $147,276 | $0 | View return |
| 2021 | Montana Tennis Association Co Sarrah Carlson | 990EZ | Secretary | 0.25 | $0 | - | View return |
| 2021 | Intermountain Tennis Association | 990 | Vice President, Mt Rep | 3 | $0 | $0 | View return |
| 2020 | Montana Tennis Association Co Sarrah Carlson | 990EZ | Secretary | 0.25 | $0 | - | View return |
| 2020 | Intermountain Tennis Association | 990 | Treasurer, Mt Rep | 5 | $0 | $0 | View return |
| 2020 | The Childrens Museum at the Paso Robles Volunteer Fire House | 990 | Director | 0 | $0 | $0 | View return |
| 2019 | Montana Tennis Association Co Sarrah Carlson | 990EZ | Secretary | 0.25 | $0 | - | View return |
| 2019 | Clark Fork Coalition | 990 | Board Member (Former) | 1 | $0 | $0 | View return |
| 2019 | The Childrens Museum at the Paso Robles Volunteer Fire House | 990 | Director | 0 | $0 | $0 | View return |
| 2019 | Intermountain Tennis Association | 990 | Treasurer, Mt Rep | 5 | $0 | $0 | View return |
| 2018 | Clark Fork Coalition | 990 | President | 1 | $0 | $0 | View return |
| 2018 | Montana Tennis Association Co Sarrah Carlson | 990EZ | Secretary | 0.25 | $0 | - | View return |
| 2018 | Intermountain Tennis Association | 990 | Treasurer, Mt Rep | 5 | $0 | $0 | View return |
| 2018 | The Childrens Museum at the Paso Robles Volunteer Fire House | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | Intermountain Tennis Association | 990 | Secretary | 5 | $0 | $0 | View return |
| 2017 | Montana Tennis Association Co Sarrah Carlson | 990EZ | Secretary | 0.25 | $0 | - | View return |
| 2017 | Clark Fork Coalition | 990 | President | 1 | $0 | $0 | View return |
| 2017 | The Childrens Museum at the Paso Robles Volunteer Fire House | 990 | Director | 0 | $0 | $0 | View return |
| 2016 | Montana Tennis Association Co Sarrah Carlson | 990EZ | Secretary | 0.25 | $0 | - | View return |
| 2016 | The Childrens Museum at the Paso Robles Volunteer Fire House | 990 | Director | 0 | $0 | $0 | View return |
| 2016 | Clark Fork Coalition | 990 | President | 1 | $0 | $0 | View return |
| 2016 | Intermountain Tennis Association | 990 | Montana Rep | 5 | $0 | $0 | View return |
| 2015 | Montana Tennis Association Co Sarrah Carlson | 990EZ | Secretary | 0.25 | $0 | - | View return |
| 2015 | The Childrens Museum at the Paso Robles Volunteer Fire House | 990 | Director | 0 | $0 | $0 | View return |
| 2015 | Clark Fork Coalition | 990 | Vice President | 1 | $0 | $0 | View return |
| 2014 | Montana Tennis Association Co Sarrah Carlson | 990EZ | Secretary | 0.25 | $0 | - | View return |
| 2014 | Clark Fork Coalition | 990 | Vice President | 1 | $0 | $0 | View return |
| 2014 | Ronald Mcdonald House Charities Northern Nevada Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | The Childrens Museum at the Paso Robles Volunteer Fire House | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Montana Tennis Association Co Sarrah Carlson | 990EZ | Secretary | 1 | $0 | - | View return |
| 2013 | Ronald Mcdonald House Charities Northern Nevada Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Clark Fork Coalition | 990 | Vice President | 1 | $0 | $0 | View return |