| 2025 | Davidson Family Foundation | 990PF | Vice President - Director | 0.5 | $0 | $0 | View return |
| 2025 | HR Open Standards Consortium Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2024 | HR Open Standards Consortium Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2024 | Earth University Foundation Inc | 990 | Trustee | 10 | $0 | $0 | View return |
| 2024 | Rockland Housing Foundation Inc. | 990 | Board Member | 0.25 | $0 | $0 | View return |
| 2024 | Davidson Family Foundation | 990PF | Vice President - Director | 0.5 | $0 | $0 | View return |
| 2024 | American Friends of Birdlife International Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2023 | Earth University Foundation Inc | 990 | Trustee | 10 | $0 | $0 | View return |
| 2023 | Davidson Family Foundation | 990PF | Vice President - Director | 0.5 | $0 | $0 | View return |
| 2023 | American Friends of Birdlife International Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2023 | Rockland Housing Foundation Inc. | 990 | Board Member | 0.25 | $0 | $0 | View return |
| 2022 | Davidson Family Foundation | 990PF | Vice President - Director | 0.5 | $0 | $0 | View return |
| 2022 | Society for Wilderness Stewardship | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Rockland Housing Foundation Inc. | 990 | Board Member | 0.25 | $0 | $0 | View return |
| 2022 | American Friends of Birdlife International Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2022 | HR Open Standards Consortium Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Earth University Foundation Inc | 990 | Trustee | 10 | $0 | $0 | View return |
| 2022 | Carroll County Farm Bureau | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Davidson Family Foundation | 990PF | Vice President - Director | 0.5 | $0 | $0 | View return |
| 2021 | American Friends of Birdlife International Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2021 | Society for Wilderness Stewardship | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Earth University Foundation Inc | 990 | Trustee | 10 | $0 | $0 | View return |
| 2021 | Carroll County Farm Bureau | 990 | Board Member | 2 | $0 | $0 | View return |
| 2020 | American Friends of Birdlife International Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2020 | Davidson Family Foundation | 990PF | Vice President - Director | 0.5 | $0 | $0 | View return |
| 2020 | Earth University Foundation Inc | 990 | Trustee | 10 | $0 | $0 | View return |
| 2020 | Society for Wilderness Stewardship | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Davidson Family Foundation | 990PF | Vice President - Director | 0.5 | $0 | $0 | View return |
| 2019 | American Friends of Birdlife International Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2019 | Earth University Foundation Inc | 990 | Trustee | 10 | $0 | $0 | View return |
| 2019 | Cub Educational Fund Incorporated | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Earth University Foundation Inc | 990 | Trustee | 10 | $0 | $0 | View return |
| 2018 | Davidson Family Foundation | 990PF | Vice President - Director | 0.5 | $0 | $0 | View return |
| 2018 | Cub Educational Fund Incorporated | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Environment for the Americas Inc. | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | Riverside Downtown Partnership Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | Davidson Family Foundation | 990PF | Vice President - Director | 0.5 | $0 | $0 | View return |
| 2017 | Environment for the Americas Inc. | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | Earth University Foundation Inc | 990 | Trustee | 10 | $0 | $0 | View return |
| 2016 | Davidson Family Foundation | 990PF | Vice President - Director | 0.5 | $0 | $0 | View return |
| 2016 | Environment for the Americas Inc. | 990 | Director | - | $0 | $0 | View return |
| 2016 | Earth University Foundation Inc | 990 | Trustee | 10 | $0 | $0 | View return |
| 2016 | Riverside Downtown Partnership Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2015 | Davidson Family Foundation | 990PF | President - Director | 2 | $0 | $0 | View return |
| 2015 | Earth University Foundation Inc | 990 | Trustee | 10 | $0 | $0 | View return |
| 2014 | Davidson Family Foundation | 990PF | President - Director | 2 | $0 | $0 | View return |
| 2013 | Davidson Family Foundation | 990PF | President - Director | 2 | $0 | $0 | View return |
| 2013 | Fair Housing Council of Riverside County Inc. | 990 | Member | 0 | $0 | $0 | View return |
| 2013 | Riverside Rotary Foundation | 990EZ | President | 3 | $0 | $0 | View return |
| 2013 | Rotary Club of Riverside | 990EZ | President | 20 | $0 | $0 | View return |
| 2012 | Davidson Family Foundation | 990PF | President - Director | 2 | $0 | $0 | View return |
| 2011 | Davidson Family Foundation | 990PF | President - Director | 2 | $0 | $0 | View return |
| 2010 | Davidson Family Foundation | 990PF | President - Director | 2 | $0 | $0 | View return |