| 2025 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | Pres, Dir, Treas | 1 | $0 | $0 | View return |
| 2025 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | VP, Director | 1 | $0 | $0 | View return |
| 2024 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | Pres, Dir, Treas | 1 | $0 | $0 | View return |
| 2024 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | VP, Director | 1 | $0 | $0 | View return |
| 2024 | Phi Kappa Educational Foundation Inc | 990PF | President | 2 | $0 | $0 | View return |
| 2023 | Phi Kappa Educational Foundation Inc | 990PF | President | 2 | $0 | $0 | View return |
| 2023 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | Pres, Dir, Treas | 1 | $0 | $0 | View return |
| 2023 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | VP, Director | 1 | $0 | $0 | View return |
| 2022 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | Pres, Dir, Treas | 1 | $0 | $0 | View return |
| 2022 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | VP, Director | 1 | $0 | $0 | View return |
| 2021 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | Pres, Dir, Treas | 1 | $0 | $0 | View return |
| 2021 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | VP, Director | 1 | $0 | $0 | View return |
| 2021 | Trustees of Trinity College The | 990 | Emeritus Trustee | 1 | $0 | $0 | View return |
| 2020 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | Pres, Dir, Treas | 1 | $0 | $0 | View return |
| 2020 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | VP, Director | 1 | $0 | $0 | View return |
| 2020 | Trustees of Trinity College The | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Barbieri Center Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | Pres, Dir, Treas | 1 | $0 | $0 | View return |
| 2019 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | VP, Director | 1 | $0 | $0 | View return |
| 2019 | Expeditionary Learning Outward Bound Inc | 990 | Director (Thru Dec 2019) | 1 | $0 | $0 | View return |
| 2019 | Barbieri Center Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Trustees of Trinity College The | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | Pres, Dir, Treas | 1 | $0 | $0 | View return |
| 2018 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | VP, Director | 1 | $0 | $0 | View return |
| 2018 | Expeditionary Learning Outward Bound Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | Pres, Dir, Treas | 1 | $0 | $0 | View return |
| 2018 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | VP, Director | 1 | $0 | $0 | View return |
| 2017 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | Pres / Director / Treas | 1 | $0 | $0 | View return |
| 2017 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | VP / Director | 1 | $0 | $0 | View return |
| 2017 | Expeditionary Learning Outward Bound Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Vero Beach Museum of Art Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | Pres / Director / Treas | 1 | $0 | $0 | View return |
| 2016 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | VP / Director | 1 | $0 | $0 | View return |
| 2016 | Expeditionary Learning Outward Bound Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Indian River Hospital Foundation Inc | 990 | Assistant Treasurer | 3 | $0 | $0 | View return |
| 2015 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | Pres / Director / Treas | 1 | $0 | $0 | View return |
| 2015 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | VP / Director | 1 | $0 | $0 | View return |
| 2015 | Vero Beach Museum of Art Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Expeditionary Learning Outward Bound Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2015 | Indian River Hospital Foundation Inc | 990 | Assistant Treasurer | 2 | $0 | $0 | View return |
| 2014 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | Pres / Director / Treas | 1 | $0 | - | View return |
| 2014 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | VP / Director | 1 | $0 | - | View return |
| 2014 | Vero Beach Museum of Art Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Indian River Hospital Foundation Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Phi Kappa Educational Foundation Inc | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2013 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | Pres / Director / Treas | 1 | $0 | $0 | View return |
| 2013 | The Dhuanne S and Douglas T Tansill Foundation Inc | 990PF | VP / Director | 1 | $0 | $0 | View return |
| 2013 | Partners of '63 Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2013 | Vero Beach Museum of Art Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Expeditionary Learning Outward Bound Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2012 | Expeditionary Learning Outward Bound Inc | 990PF | Director | 1 | $0 | $0 | View return |
| 2011 | Expeditionary Learning Outward Bound Inc | 990PF | Director | 1 | $0 | - | View return |
| 2010 | Expeditionary Learning Outward Bound Inc | 990PF | Director | 1 | $0 | - | View return |
| 2009 | Expeditionary Learning Outward Bound Inc | 990PF | Director | 1 | $0 | - | View return |