| 2025 | Clarksburg Volunteer Fire Company | 990EZ | 1st VP And 1st Captain | 5 | $0 | - | View return |
| 2024 | Clarksburg Volunteer Fire Company | 990EZ | 1st VP And 1st Captain | 5 | $0 | - | View return |
| 2024 | C Kevin Walker Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | Clarksburg Volunteer Fire Company | 990EZ | 1st VP And 1st Captain | 5 | $0 | - | View return |
| 2023 | C Kevin Walker Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | Clarksburg Volunteer Fire Company | 990EZ | 1st VP And 1st Captain | 5 | $0 | - | View return |
| 2022 | C Kevin Walker Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | Clarksburg Volunteer Fire Company | 990EZ | 1st VP And 1st Captain | 5 | $0 | - | View return |
| 2021 | C Kevin Walker Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | C Kevin Walker Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | Middlesex County Chamber of Commerce Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | C Kevin Walker Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2018 | New York-Presbyterian Foundation Inc. | 990EZ | Governor | 0.25 | $0 | $0 | View return |
| 2018 | Drury High School Band Parents | 990EZ | President | 10 | $0 | - | View return |
| 2018 | The New York and Presbyterian Hospital | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | New York-Presbyterian Fund Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2018 | C Kevin Walker Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2017 | New York-Presbyterian Foundation Inc. | 990EZ | Governor | 0.25 | $0 | $0 | View return |
| 2017 | C Kevin Walker Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2017 | The New York and Presbyterian Hospital | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | New York-Presbyterian Fund Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2016 | New York-Presbyterian Fund Inc. | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2016 | The New York and Presbyterian Hospital | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | New York-Presbyterian Foundation Inc. | 990 | Governor | 0.25 | $0 | $0 | View return |
| 2016 | C Kevin Walker Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2015 | C Kevin Walker Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2015 | The New York and Presbyterian Hospital | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | C Kevin Walker Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2014 | The New York and Presbyterian Hospital | 990 | Trustee | 2 | $0 | $0 | View return |
| 2013 | C Kevin Walker Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2013 | The New York and Presbyterian Hospital | 990 | Trustee | 2 | - | - | View return |
| 2012 | C Kevin Walker Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2011 | C Kevin Walker Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2010 | C Kevin Walker Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |