| 2024 | Hemingway Foundation | 990PF | Trustee | 1 | $1,000 | - | View return |
| 2024 | Environmental Resource Center | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2023 | Hemingway Foundation | 990PF | Trustee | 1 | $1,000 | - | View return |
| 2023 | Friends of the Hamilton Schools Foundation Inc. | 990 | Vice President | 1 | $0 | $0 | View return |
| 2023 | Environmental Resource Center | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2022 | Hemingway Foundation | 990PF | Trustee | 1 | $2,000 | - | View return |
| 2022 | Environmental Resource Center | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2022 | Jeffrey S and Helen H Cardon Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2022 | Friends of the Hamilton Schools Foundation Inc. | 990 | Vice President | 1 | $0 | $0 | View return |
| 2021 | Hemingway Foundation | 990PF | Trustee | 1 | $2,000 | - | View return |
| 2021 | Jeffrey S and Helen H Cardon Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2021 | Friends of the Hamilton Schools Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Environmental Resource Center | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Hemingway Foundation | 990PF | Trustee | 1 | $1,000 | - | View return |
| 2020 | Environmental Resource Center | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Friends of the Hamilton Schools Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Jeffrey S and Helen H Cardon Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2020 | Dominion Uniserv District 17 Association | 990EZ | Director | 0.5 | $0 | - | View return |
| 2019 | Hemingway Foundation | 990PF | Trustee | 1 | $7,000 | - | View return |
| 2019 | Environmental Resource Center | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Jeffrey S and Helen H Cardon Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2019 | Hillsdale High School Foundation Inc. | 990 | Treasurer | 10 | $0 | $0 | View return |
| 2019 | Dominion Uniserv District 17 Association | 990EZ | Director | 0.5 | $0 | - | View return |
| 2018 | Jeffrey S and Helen H Cardon Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2018 | International Arts and Artists Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Environmental Resource Center | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Dominion Uniserv District 17 Association | 990EZ | Director | 0 | $0 | - | View return |
| 2018 | Jeffrey S and Helen H Cardon Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2018 | International Arts and Artists Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | International Arts and Artists Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Jeffrey S and Helen H Cardon Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2017 | Dominion Uniserv District 17 Association | 990EZ | Director | 0 | $0 | - | View return |
| 2016 | International Arts and Artists Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | International Arts and Artists Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Jeffrey S and Helen H Cardon Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2015 | International Arts and Artists Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Jeffrey S and Helen H Cardon Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2015 | Dominion Uniserv District 17 Association | 990EZ | Director | 5 | $0 | - | View return |
| 2014 | Jeffrey S and Helen H Cardon Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2014 | Hillsdale High School Foundation Inc. | 990 | Director | 10 | $0 | $0 | View return |
| 2014 | Dominion Uniserv District 17 Association | 990EZ | Director | 0.1 | $0 | - | View return |
| 2013 | Jeffrey S and Helen H Cardon Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2013 | Tampa Bay Technology Forum Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Hillsdale High School Foundation Inc. | 990 | Secretary | 10 | $0 | $0 | View return |
| 2013 | Dominion Uniserv District 17 Association | 990EZ | Director | 0.1 | $0 | - | View return |