| 2025 | Friends of Jerusalem International YMCA | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2024 | Friends of Jerusalem International YMCA | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2024 | The Mellor Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2024 | Pemberton Jr Hornets | 990EZ | President | 40 | $0 | $0 | View return |
| 2023 | Friends of Jerusalem International YMCA | 990 | Treasurer | 6 | $0 | $0 | View return |
| 2023 | Friends of Jerusalem International YMCA | 990 | Treasurer | 6 | $0 | $0 | View return |
| 2023 | The Mellor Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2023 | Pemberton Jr Hornets | 990EZ | President | 40 | $0 | $0 | View return |
| 2023 | Laguna College of Art and Design | 990 | Trustee | 0 | $0 | $0 | View return |
| 2022 | Pemberton Jr Hornets | 990EZ | President | 40 | $0 | $0 | View return |
| 2022 | Friends of Jerusalem International YMCA | 990 | Treasurer | 6 | $0 | $0 | View return |
| 2022 | The Mellor Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2022 | Laguna College of Art and Design | 990 | Trustee | 0 | $0 | $0 | View return |
| 2021 | National Trust for the Humanities | 990 | Director Emeritus | 0 | $0 | $0 | View return |
| 2021 | Pemberton Jr Hornets | 990EZ | President | 40 | $0 | $0 | View return |
| 2021 | The Mellor Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2021 | Laguna College of Art and Design | 990 | Trustee | 0 | $0 | $0 | View return |
| 2020 | National Trust for the Humanities | 990 | Director Emeritus | 0 | $0 | $0 | View return |
| 2020 | The Mellor Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2020 | The Laguna Playhouse | 990 | Trustee | 4 | $0 | $0 | View return |
| 2020 | Laguna College of Art and Design | 990 | Trustee | 0 | $0 | $0 | View return |
| 2019 | The Mellor Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2019 | National Trust for the Humanities | 990 | Trustee | 0 | $0 | $0 | View return |
| 2019 | Laguna College of Art and Design | 990 | Trustee | 0 | $0 | $0 | View return |
| 2019 | The Laguna Playhouse | 990 | Trustee | 4 | $0 | $0 | View return |
| 2018 | National Trust for the Humanities | 990 | Trustee | 0 | $0 | $0 | View return |
| 2018 | The Mellor Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2018 | The Laguna Playhouse | 990 | Trustee | 4 | $0 | $0 | View return |
| 2018 | Laguna College of Art and Design | 990 | Trustee | 0 | $0 | $0 | View return |
| 2017 | The Mellor Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2017 | National Trust for the Humanities | 990 | Trustee | 0 | $0 | $0 | View return |
| 2017 | Laguna College of Art and Design | 990 | Chair | 0 | $0 | $0 | View return |
| 2016 | National Trust for the Humanities | 990 | Trustee | 0 | $0 | $0 | View return |
| 2016 | The Mellor Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2016 | Max Planck Florida Corporation | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Laguna College of Art and Design | 990 | Chair | 0 | $0 | $0 | View return |
| 2015 | National Trust for the Humanities | 990 | Trustee | 0 | $0 | $0 | View return |
| 2015 | The Mellor Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2015 | Max Planck Florida Corporation | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Laguna College of Art and Design | 990 | Chair | 0 | $0 | $0 | View return |
| 2014 | National Trust for the Humanities | 990 | Trustee | 0 | $0 | $0 | View return |
| 2014 | The Mellor Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2014 | Laguna College of Art and Design | 990 | Chair | 0 | $0 | $0 | View return |
| 2013 | National Trust for the Humanities | 990 | Trustee | 0 | $0 | $0 | View return |
| 2013 | The Mellor Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2013 | Laguna College of Art and Design | 990 | Trustee | 0 | $0 | $0 | View return |
| 2012 | The Mellor Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2011 | The Mellor Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2010 | The Mellor Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |