| 2024 | St. Marys Area United Way | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | St. Marys Area United Way | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Locus Science Fiction Foundation Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2022 | St. Marys Area United Way | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Authors League Fund Established by the Authors League of America Inc. | 990PF | Secretary (Through 9/22) | 1 | $0 | $0 | View return |
| 2022 | Locus Science Fiction Foundation Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2021 | Locus Science Fiction Foundation Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2021 | St. Marys Area United Way | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Authors League Fund Established by the Authors League of America Inc. | 990PF | Secretary | 1 | $0 | - | View return |
| 2020 | Authors League Fund Established by the Authors League of America Inc. | 990PF | Secretary | 1 | $0 | - | View return |
| 2020 | Locus Science Fiction Foundation Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2020 | St. Marys Area United Way | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Authors League Fund Established by the Authors League of America Inc. | 990PF | Secretary | 1 | $0 | - | View return |
| 2019 | St. Marys Area United Way | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Authors League Fund Established by the Authors League of America Inc. | 990PF | Secretary | 1 | $0 | - | View return |
| 2018 | Atlantic City Historical Waterfront Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Fence Magazine Incorporated | 990EZ | Board Member | 0.5 | $0 | $0 | View return |
| 2017 | South Carolina Research Authority | 990 | Manager Of Supply Chain | 40 | $145,855 | $0 | View return |
| 2017 | Authors League Fund Established by the Authors League of America Inc. | 990PF | Secretary | 1 | $0 | - | View return |
| 2017 | Atlantic City Historical Waterfront Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Fence Magazine Incorporated | 990EZ | Board Member | 0.5 | $0 | $0 | View return |
| 2016 | South Carolina Research Authority | 990 | Manager Of Supply Chain & Logi | 40 | $138,242 | $0 | View return |
| 2016 | Authors League Fund Established by the Authors League of America Inc. | 990PF | Secretary | 1 | $0 | - | View return |
| 2016 | Atlantic City Historical Waterfront Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Fence Magazine Incorporated | 990EZ | Board Member | 0.5 | $0 | $0 | View return |
| 2015 | Authors League Fund Established by the Authors League of America Inc. | 990PF | Secretary | 1 | $0 | - | View return |
| 2015 | Atlantic City Historical Waterfront Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | The Authors Guild Foundation Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Authors League Fund Established by the Authors League of America Inc. | 990PF | Trustee | 1 | $0 | - | View return |
| 2014 | The Authors Guild Foundation Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Authors League Fund Established by the Authors League of America Inc. | 990PF | Trustee | 1 | $0 | - | View return |
| 2013 | The Authors Guild Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2012 | Authors League Fund Established by the Authors League of America Inc. | 990PF | Trustee | 0 | $0 | - | View return |
| 2011 | Authors League Fund Established by the Authors League of America Inc. | 990PF | Trustee | 0 | $0 | - | View return |