| 2025 | Chambers Family Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2024 | Chambers Family Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2024 | Eugene Symphony Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2023 | Chambers Family Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2023 | Eugene Symphony Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2022 | Every Child Lane County | 990 | President | 2 | $0 | $0 | View return |
| 2022 | Chambers Family Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2022 | Eugene Symphony Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2021 | Every Child Lane County | 990 | Chair | 1 | $0 | $0 | View return |
| 2021 | Chambers Family Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2020 | Every Child Lane County | 990 | President | 5 | $0 | $0 | View return |
| 2020 | Chambers Family Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2020 | Peacehealth Sacred Heart Medical Center Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2020 | Endowment Fund of Eugene Symphony Association Inc | 990 | Vice President | 1 | $0 | $0 | View return |
| 2019 | Chambers Family Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2019 | Peacehealth Sacred Heart Medical Center Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Endowment Fund of Eugene Symphony Association Inc | 990 | Vice President | 1 | $0 | $0 | View return |
| 2018 | Chambers Family Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2018 | Peacehealth Sacred Heart Medical Center Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Endowment Fund of Eugene Symphony Association Inc | 990 | Vice Preside | 1 | $0 | $0 | View return |
| 2017 | Chambers Family Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2017 | Peacehealth Sacred Heart Medical Center Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Endowment Fund of Eugene Symphony Association Inc | 990 | Vice Preside | 1 | $0 | $0 | View return |
| 2016 | Peacehealth Sacred Heart Medical Center Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Chambers Family Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2016 | Endowment Fund of Eugene Symphony Association Inc | 990 | Vice Preside | 1 | $0 | $0 | View return |
| 2015 | Chambers Family Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2015 | Peacehealth Sacred Heart Medical Center Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Endowment Fund of Eugene Symphony Association Inc | 990 | Vice Preside | 1 | $0 | $0 | View return |
| 2014 | Chambers Family Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2014 | Peacehealth Sacred Heart Medical Center Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Endowment Fund of Eugene Symphony Association Inc | 990 | Vice Preside | 1 | $0 | $0 | View return |
| 2013 | Chambers Family Foundation | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2013 | Peacehealth Sacred Heart Medical Center Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Endowment Fund of Eugene Symphony Association Inc | 990 | Vice Preside | 1 | $0 | $0 | View return |