| 2025 | Select Equity Group Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2024 | William Lawrence Camp Inc. | 990 | Executive Director | 40 | $37,286 | $0 | View return |
| 2024 | Conover Family Foundation | 990PF | Secretary | 5 | $0 | $0 | View return |
| 2024 | Select Equity Group Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2024 | Matts Maker Space Inc. | 990 | Secretary | 1 | $0 | $0 | View return |
| 2024 | National Association of Postal Supervisors | 990 | Vice President | 2 | $0 | $0 | View return |
| 2024 | Kinder Morgan Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2024 | Greater Elmer Area Historical Society | 990EZ | Trustee | 4 | $0 | - | View return |
| 2024 | Oregon Contemporary Theatre | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Greater Elmer Area Historical Society | 990EZ | Trustee | 4 | $0 | - | View return |
| 2023 | Select Equity Group Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2023 | The Hurricane Island Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Pleasant Hill Cemetery Association | 990 | President | 2 | $0 | $0 | View return |
| 2023 | MID-Atlantic Christadelphian Bible School | 990EZ | Trustee | 2 | $0 | $0 | View return |
| 2023 | Matts Maker Space Inc. | 990EZ | Secretary | 1 | $0 | $0 | View return |
| 2023 | Kinder Morgan Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2023 | National Association of Postal Supervisors | 990 | Vice President | 2 | $0 | $0 | View return |
| 2023 | Oregon Contemporary Theatre | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | MID-Atlantic Christadelphian Bible School | 990EZ | Trustee | 2 | $0 | $0 | View return |
| 2022 | Pleasant Hill Cemetery Association | 990 | President | 2 | $0 | $0 | View return |
| 2022 | National Association of Postal Supervisors | 990 | Vice President | 2 | $0 | $0 | View return |
| 2022 | Select Equity Group Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2022 | Greater Elmer Area Historical Society | 990EZ | Trustee | 4 | $0 | - | View return |
| 2022 | Matts Maker Space Inc. | 990EZ | Secretary | 1 | $0 | $0 | View return |
| 2022 | Kinder Morgan Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2022 | The Hurricane Island Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2021 | MID-Atlantic Christadelphian Bible School | 990EZ | Trustee | 2 | $0 | $0 | View return |
| 2021 | Matts Maker Space Inc. | 990EZ | Secretary | 5 | $0 | $0 | View return |
| 2021 | Select Equity Group Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2021 | Greater Elmer Area Historical Society | 990EZ | Trustee | 5 | $0 | - | View return |
| 2021 | The Hurricane Island Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2021 | Kinder Morgan Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2021 | Pleasant Hill Cemetery Association | 990 | President | 4 | $0 | $0 | View return |
| 2020 | Select Equity Group Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2020 | Pleasant Hill Cemetery Association | 990 | Vice President | 2 | $0 | $0 | View return |
| 2020 | The Hurricane Island Foundation | 990 | President | 2 | $0 | $0 | View return |
| 2020 | Matts Maker Space Inc. | 990EZ | Secretary | 5 | $0 | $0 | View return |
| 2020 | Kinder Morgan Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2020 | Greater Elmer Area Historical Society | 990EZ | Trustee | 5 | $0 | - | View return |
| 2019 | The Hurricane Island Foundation | 990 | Director | 4 | $0 | $0 | View return |
| 2019 | Greater Elmer Area Historical Society | 990EZ | Trustee | 3 | $0 | - | View return |
| 2019 | Select Equity Group Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2019 | Matts Maker Space Inc. | 990EZ | Secretary | 3 | $0 | $0 | View return |
| 2019 | Pleasant Hill Cemetery Association | 990 | Vice President | 2 | $0 | $0 | View return |
| 2019 | San Diego Repertory Theatre Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2019 | Oregon Built Environment & Sustainable Technologies Center Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | American Institute of Graphic Arts Inc San Diego | 990EZ | Past President | 3 | $0 | - | View return |
| 2019 | Regional Accelerator & Innovation Network of Oregon | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Oregon Nanoscience and Microtechnologies Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Select Equity Group Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2018 | Greater Elmer Area Historical Society | 990EZ | Trustee | 3 | $0 | - | View return |
| 2018 | Cincinnati Outboard | 990EZ | Trustee | 10 | $0 | $0 | View return |
| 2018 | The Hurricane Island Foundation | 990 | Director | 4 | $0 | $0 | View return |
| 2018 | San Diego Repertory Theatre Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2018 | Oregon Built Environment & Sustainable Technologies Center Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Regional Accelerator & Innovation Network of Oregon | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Oregon Nanoscience and Microtechnologies Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | American Institute of Graphic Arts Inc San Diego | 990EZ | Past President | 3 | $0 | - | View return |
| 2018 | Select Equity Group Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2017 | The Hurricane Island Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Select Equity Group Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2017 | Cincinnati Outboard | 990EZ | Trustee | 10 | $0 | $0 | View return |
| 2017 | San Diego Repertory Theatre Inc | 990 | Secretary | 1 | $0 | $0 | View return |
| 2017 | Regional Accelerator & Innovation Network of Oregon | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Oregon Nanoscience and Microtechnologies Institute | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Regional Accelerator & Innovation Network of Oregon | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Hudson River Sloop Clearwater Inc. | 990 | Term Ended S | - | $52,378 | $0 | View return |
| 2016 | Cincinnati Outboard | 990EZ | Trustee | 10 | $0 | $0 | View return |
| 2016 | Oregon Nanoscience and Microtechnologies Institute | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Select Equity Group Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2016 | The Hurricane Island Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | San Diego Repertory Theatre Inc | 990 | Secretary | 1 | $0 | $0 | View return |
| 2016 | Kiwanis Club of North Lake Tahoe | 990EZ | Treasurer | 1 | $0 | - | View return |
| 2016 | Oregon Built Environment & Sustainable Technologies Center Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Regional Accelerator & Innovation Network of Oregon | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Hudson River Sloop Clearwater Inc. | 990 | Interim Exec | 40 | $52,080 | $0 | View return |
| 2015 | Construction Management Association of America Foundation Inc. | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2015 | Select Equity Group Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2015 | Oregon Nanoscience and Microtechnologies Institute | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Cincinnati Outboard | 990EZ | Trustee | 10 | $0 | $0 | View return |
| 2015 | Kiwanis Club of North Lake Tahoe | 990EZ | Secretary | 1 | $0 | - | View return |
| 2015 | Kiwanis Club of North Lake Tahoe | 990EZ | Treasurer | 1 | $0 | - | View return |
| 2015 | Oregon Built Environment & Sustainable Technologies Center Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Select Equity Group Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2014 | USA Pickleball Association | 990 | Education An | 5 | $0 | $0 | View return |
| 2014 | Construction Management Association of America Foundation Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2014 | Kiwanis Club of North Lake Tahoe | 990EZ | Treasurer | 1 | $0 | - | View return |
| 2013 | Penobscot Marine Museum | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Kiwanis Club of North Lake Tahoe | 990EZ | Treasurer | 1 | $0 | - | View return |