| 2024 | Donald R Dizney Foundation Inc. | 990PF | President, Executive Direc | 1 | $0 | $0 | View return |
| 2024 | National Museum of Racing Inc. | 990 | Advisory Trustee | 0 | $0 | $0 | View return |
| 2024 | Grayson-Jockey Club Research Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Florida Citrus Sports Foundation Inc. | 990 | Director | 0.1 | $0 | $0 | View return |
| 2023 | National Museum of Racing Inc. | 990 | Advisory Trustee | 0 | $0 | $0 | View return |
| 2023 | Donald R Dizney Foundation Inc. | 990PF | President, Executive Direc | 1 | $0 | $0 | View return |
| 2023 | Grayson-Jockey Club Research Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Florida Citrus Sports Foundation Inc. | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2022 | National Museum of Racing Inc. | 990 | Advisory Trustee | 0 | $0 | $0 | View return |
| 2022 | Donald R Dizney Foundation Inc. | 990PF | President, Executive Direc | 1 | $0 | $0 | View return |
| 2022 | Florida Citrus Sports Foundation Inc. | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2021 | National Museum of Racing Inc. | 990 | Advisory Trustee | 0 | $0 | $0 | View return |
| 2021 | Florida Citrus Sports Foundation Inc. | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2020 | National Museum of Racing Inc. | 990 | Advisory Trustee | 0 | $0 | $0 | View return |
| 2020 | Florida Citrus Sports Foundation Inc. | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2019 | National Museum of Racing Inc. | 990 | Advisory Trustee | 0 | $0 | $0 | View return |
| 2019 | Florida Citrus Sports Foundation Inc. | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2018 | National Museum of Racing Inc. | 990 | Advisory Trustee | 0 | $0 | $0 | View return |
| 2017 | National Museum of Racing Inc. | 990 | Trustee | 0 | $0 | $0 | View return |
| 2016 | National Museum of Racing Inc. | 990 | Trustee | 0 | $0 | $0 | View return |
| 2016 | Florida Citrus Sports Foundation Inc. | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2015 | National Museum of Racing Inc. | 990 | Trustee | 0 | $0 | $0 | View return |
| 2015 | Florida Citrus Sports Foundation Inc. | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2014 | National Museum of Racing Inc. | 990 | Trustee | 0 | $0 | $0 | View return |
| 2014 | Florida Citrus Sports Foundation Inc. | 990 | Vice President | 0.1 | $0 | $0 | View return |
| 2013 | National Museum of Racing Inc. | 990 | Trustee | 0 | $0 | $0 | View return |
| 2013 | Grayson-Jockey Club Research Foundation Inc | 990 | Director | 0.2 | $0 | $0 | View return |
| 2013 | Florida Citrus Sports Foundation Inc. | 990 | Trustee | 0.1 | $0 | $0 | View return |