| 2024 | Timken Foundation of Canton | 990PF | President/Trustee | 25 | $119,646 | $31,191 | View return |
| 2024 | Arts in Stark | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Brookside Country Club Inc | 990 | Governor | 2 | $0 | $0 | View return |
| 2023 | Timken Foundation of Canton | 990PF | President/Trustee | 25 | $115,889 | $26,978 | View return |
| 2023 | Downtown Canton Land Foundation Corp | 990 | Chair | 2 | $0 | $0 | View return |
| 2023 | Brookside Country Club Inc | 990 | Governor | 2 | $0 | $0 | View return |
| 2023 | Arts in Stark | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Timken Foundation of Canton | 990PF | President/Trustee | 25 | $115,896 | $21,799 | View return |
| 2022 | Downtown Canton Land Foundation Corp | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Henry and Louise Timken Foundation | 990 | President (Through 6/22) | 1 | $0 | $0 | View return |
| 2022 | Brookside Country Club Inc | 990 | Governor | 2 | $0 | $0 | View return |
| 2022 | Arts in Stark | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Timken Foundation of Canton | 990PF | President/Trustee | 10 | $91,517 | $16,457 | View return |
| 2021 | Downtown Canton Land Foundation Corp | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Henry and Louise Timken Foundation | 990 | President | 1 | $0 | $0 | View return |
| 2021 | Arts in Stark | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Brookside Country Club Inc | 990 | Governor | 2 | $0 | $0 | View return |
| 2020 | Downtown Canton Land Foundation Corp | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Henry and Louise Timken Foundation | 990 | President | 1 | $0 | $0 | View return |
| 2020 | Timken Foundation of Canton | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | Arts in Stark | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Henry and Louise Timken Foundation | 990 | V.P., Treasurer | 1 | $0 | $0 | View return |
| 2019 | Downtown Canton Land Foundation Corp | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | Timken Foundation of Canton | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | Arts in Stark | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Downtown Canton Land Foundation Corp | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Henry and Louise Timken Foundation | 990 | V.P., Treasurer | 1 | $0 | $0 | View return |
| 2018 | Arts in Stark | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Downtown Canton Land Foundation Corp | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Henry and Louise Timken Foundation | 990 | V.P., Treasurer | 1 | $0 | $0 | View return |
| 2017 | Arts in Stark | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Downtown Canton Land Foundation Corp | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Henry and Louise Timken Foundation | 990 | V.P., Treasurer | 1 | $0 | $0 | View return |
| 2016 | Arts in Stark | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Downtown Canton Land Foundation Corp | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Henry and Louise Timken Foundation | 990 | V.P., Treasurer | 1 | $0 | $0 | View return |
| 2015 | Arts in Stark | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Downtown Canton Land Foundation Corp | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Henry and Louise Timken Foundation | 990 | V.P., Treasurer | 1 | - | - | View return |
| 2014 | Arts in Stark | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Downtown Canton Land Foundation Corp | 990 | Chairman | 2 | $0 | $0 | View return |
| 2013 | Cleveland Clinic Mercy Hospital | 990 | Trustee (Resigned Aug'13) | 2 | $0 | $0 | View return |
| 2013 | Henry and Louise Timken Foundation | 990 | V.P., Treasurer | 1 | $0 | $0 | View return |
| 2013 | Arts in Stark | 990 | Director | 1 | $0 | - | View return |