| 2024 | Amalgamated Transit Union | 990EZ | Director | 2 | $0 | - | View return |
| 2024 | Palmetto Broadband Coalition | 990EZ | Director | 1 | $0 | $0 | View return |
| 2024 | South Carolina Telecommunications A | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Comporium Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2023 | South Carolina Telecommunications A | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Amalgamated Transit Union | 990EZ | Director | 2 | $0 | - | View return |
| 2023 | Comporium Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2023 | Palmetto Broadband Coalition | 990EZ | Director | 1 | $0 | $0 | View return |
| 2022 | Amalgamated Transit Union | 990EZ | Director | 2 | $0 | - | View return |
| 2022 | Comporium Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2022 | South Carolina Telecommunications A | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | South Carolina Telecommunications A | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Comporium Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2021 | South Carolina Research Authority | 990 | Trustee | 1.5 | $0 | $0 | View return |
| 2020 | South Carolina Telecommunications A | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Comporium Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2020 | South Carolina Research Authority | 990 | Trustee | 1.5 | $0 | $0 | View return |
| 2020 | Communications Workers of America | 990 | Exec Board | 1 | $0 | $0 | View return |
| 2019 | Teachers Organizing Property Inc | 990EZ | President | 20 | $0 | $0 | View return |
| 2019 | South Carolina Telecommunications A | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Clemson University Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | South Carolina Research Authority | 990 | Trustee | 1.5 | $0 | $0 | View return |
| 2018 | South Carolina Telecommunications A | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | South Carolina Research Authority | 990 | Trustee | 1.5 | $0 | $0 | View return |
| 2018 | Clemson University Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | South Carolina Telecommunications A | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | South Carolina Research Authority | 990 | Trustee | 1.5 | $0 | $0 | View return |
| 2017 | Clemson University Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | South Carolina Telecommunications A | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | South Carolina Research Authority | 990 | Trustee | 1.4 | $0 | $0 | View return |
| 2016 | Clemson University Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | South Carolina Telecommunications A | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Clemson University Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | South Carolina Telecommunications A | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Clemson University Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | South Carolina Telecommunications A | 990 | Director | - | $0 | $0 | View return |
| 2013 | Clemson University Foundation | 990 | Director | 1 | $0 | $0 | View return |