| 2024 | The Bannermans Castle Trust Inc | 990 | Secretary | 0 | $0 | $0 | View return |
| 2024 | Robert and Martha and John Atherton Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2023 | Railway and Locomotive Historical Society Inc. | 990 | Secreatary | - | $0 | $0 | View return |
| 2023 | The Bannermans Castle Trust Inc | 990 | Secretary | 0 | $0 | $0 | View return |
| 2023 | Robert and Martha and John Atherton Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2022 | Greater Biloxi Economic Development Foundation Inc. | 990 | Board Member | - | $0 | $0 | View return |
| 2022 | The Bannermans Castle Trust Inc | 990 | Secretary | 1 | $0 | $0 | View return |
| 2022 | Robert and Martha and John Atherton Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2022 | Railway and Locomotive Historical Society Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Greater Biloxi Economic Development Foundation Inc. | 990 | Board Member | - | $0 | $0 | View return |
| 2021 | The Bannermans Castle Trust Inc | 990 | Vice Pres./S | 1 | $0 | $0 | View return |
| 2021 | Robert and Martha and John Atherton Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2021 | Railway and Locomotive Historical Society Inc. | 990 | Director | - | $0 | $0 | View return |
| 2020 | Railway and Locomotive Historical Society Inc. | 990 | Director | - | $0 | $0 | View return |
| 2020 | Robert and Martha and John Atherton Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2020 | Greater Biloxi Economic Development Foundation Inc. | 990 | Board Member | 0 | $0 | $0 | View return |
| 2020 | The Bannermans Castle Trust Inc | 990 | Secretary | 1 | $0 | $0 | View return |
| 2019 | Robert and Martha and John Atherton Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2019 | Railway and Locomotive Historical Society Inc. | 990 | Director | - | $0 | $0 | View return |
| 2019 | Greater Biloxi Economic Development Foundation Inc. | 990 | Board Member | - | $0 | $0 | View return |
| 2018 | Robert and Martha and John Atherton Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2018 | Railway and Locomotive Historical Society Inc. | 990 | Dir/Chapter | - | $0 | $0 | View return |
| 2018 | Railway and Locomotive Historical Society Inc. | 990 | Director | - | $0 | $0 | View return |
| 2017 | Railway and Locomotive Historical Society Inc. | 990 | Dir/Chapter | 1 | $0 | $0 | View return |
| 2017 | Railway and Locomotive Historical Society Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Robert and Martha and John Atherton Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2017 | Mississippi Power Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2017 | Mt Beacon Incline Restoration Committee Inc | 990EZ | Recording Se | 0 | $0 | - | View return |
| 2016 | Mississippi Power Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2016 | Mt Beacon Incline Restoration Committee Inc | 990EZ | Recording Se | 0 | $0 | - | View return |
| 2016 | Robert and Martha and John Atherton Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2016 | Railway and Locomotive Historical Society Inc. | 990 | Dir/Chapter | 1 | $0 | $0 | View return |
| 2016 | Railway and Locomotive Historical Society Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2015 | Robert and Martha and John Atherton Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2015 | Mississippi Power Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2015 | Mt Beacon Incline Restoration Committee Inc | 990EZ | Recording Se | 0 | $0 | - | View return |
| 2015 | Railway and Locomotive Historical Society Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2014 | Mississippi Power Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2014 | Mt Beacon Incline Restoration Committee Inc | 990EZ | Recording Se | 0 | $0 | - | View return |
| 2014 | Robert and Martha and John Atherton Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2013 | Kittitas County Search and Rescue | 990EZ | Vice President | 0 | $0 | - | View return |
| 2013 | Climb Community Development Corporation | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | Mississippi Power Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2013 | Mt Beacon Incline Restoration Committee Inc | 990EZ | Recording Se | 1 | $0 | - | View return |
| 2012 | Mississippi Power Foundation Inc. | 990PF | President | 0 | $0 | $0 | View return |
| 2011 | Mississippi Power Foundation Inc. | 990PF | Chairman | 0 | $0 | $0 | View return |
| 2010 | Mississippi Power Foundation Inc. | 990PF | Chairman | 0 | $0 | $0 | View return |