| 2025 | Roberson Museum and Science Center | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2025 | Intl Union of Operating Engineers L150 150A 150B 150C Building Corp | 990 | Executive Board | 1 | $0 | $0 | View return |
| 2025 | Peacemakers Ministry Inc. | 990EZ | Director | 1 | $0 | $0 | View return |
| 2024 | United Steelworkers International Local Union 01973 | 990EZ | President | 5 | $8,056 | - | View return |
| 2024 | International Union of Operating Engineers - Local 150 | 990 | Executive Board | 1 | $7,545 | $0 | View return |
| 2024 | Roberson Museum and Science Center | 990 | Treasurer | 0 | $0 | $0 | View return |
| 2024 | Acacia Fraternity Foundation Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2024 | Bpoe Carlsbad Elks Lodge #1558 | 990 | Leading Knight/VP | 15 | $0 | $0 | View return |
| 2024 | Acacia Fraternity National Housing Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2024 | The Roberson Foundation | 990 | Chairman | 0 | $0 | $0 | View return |
| 2023 | United Steelworkers International Local Union 01973 | 990EZ | President | 5 | $4,870 | - | View return |
| 2023 | Roberson Museum and Science Center | 990 | Treasurer | 0 | $0 | $0 | View return |
| 2023 | Acacia Fraternity Foundation Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2023 | Robert Roberson Family Foundation | 990PF | Board Member | 0 | $0 | $0 | View return |
| 2023 | The Roberson Foundation | 990 | Chairman | 0 | $0 | $0 | View return |
| 2023 | Acacia Fraternity National Housing Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Center in the Park Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Roberson Museum and Science Center | 990 | Treasurer | 0 | $0 | $0 | View return |
| 2022 | Henderson Moose Lodge 1412 Loyal Order of Moose | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2022 | South Shore Yacht Club | 990 | Director | 5 | $0 | $0 | View return |
| 2022 | Acacia Fraternity Foundation Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2022 | Robert Roberson Family Foundation | 990PF | Board Member | 0 | $0 | $0 | View return |
| 2022 | The Roberson Foundation | 990 | Chairman | 0 | $0 | $0 | View return |
| 2021 | Henderson Moose Lodge 1412 Loyal Order of Moose | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2021 | Acacia Fraternity Foundation Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2021 | Roberson Museum and Science Center | 990 | Treasurer | 0 | $0 | $0 | View return |
| 2021 | South Shore Yacht Club | 990 | Director | 5 | $0 | $0 | View return |
| 2021 | The Roberson Foundation | 990 | Chairman | 0 | $0 | $0 | View return |
| 2021 | Robert Roberson Family Foundation | 990PF | Board Member | 0 | $0 | $0 | View return |
| 2020 | Plains Indians and Pioneers Historical Foundation | 990 | Executive Director | 36 | $29,417 | $0 | View return |
| 2020 | South Shore Yacht Club | 990 | Director | 5 | $0 | $0 | View return |
| 2020 | Roberson Museum and Science Center | 990 | Treasurer | 0 | $0 | $0 | View return |
| 2020 | Acacia Fraternity Foundation Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2020 | Randolph College Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | The Roberson Foundation | 990 | Chairman | 0 | $0 | $0 | View return |
| 2019 | Roberson Museum and Science Center | 990 | Trustee | 0 | $0 | $0 | View return |
| 2019 | New York Genealogical and Biographical Society | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2019 | Muscarelle Museum of Art Foundation | 990 | Chair | 10 | $0 | $0 | View return |
| 2019 | South Shore Yacht Club | 990 | Director | 5 | $0 | $0 | View return |
| 2019 | The Roberson Foundation | 990 | Chairman | 0 | $0 | $0 | View return |
| 2019 | Randolph College Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | Muscarelle Museum of Art Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Muscarelle Museum of Art Foundation | 990 | Chair | 10 | $0 | $0 | View return |
| 2018 | Plains Indians and Pioneers Historical Foundation | 990 | Director | 36 | $76,128 | $0 | View return |
| 2018 | Plains Indians and Pioneers Historical Foundation | 990 | Director | 36 | $43,908 | $0 | View return |
| 2018 | Muscarelle Museum of Art Foundation | 990 | Chair | 10 | $0 | $0 | View return |
| 2018 | New York Genealogical and Biographical Society | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2018 | The Woodrow Wilson Presidential Library Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Roberson Museum and Science Center | 990 | Trustee | 0 | $0 | $0 | View return |
| 2018 | Randolph College Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | The Roberson Foundation | 990 | Chairman | 0 | $0 | $0 | View return |
| 2017 | Plains Indians and Pioneers Historical Foundation | 990 | Director | 36 | $76,128 | $0 | View return |
| 2017 | New York Genealogical and Biographical Society | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2017 | Ushirika Fundi I | 990EZ | Vice-President | 2 | $0 | $0 | View return |
| 2017 | The Woodrow Wilson Presidential Library Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Roberson Museum and Science Center | 990EZ | Trustee | 0 | $0 | - | View return |
| 2017 | Roberson Memorial Inc DBA Roberson Museum and Science Center | 990EZ | Trustee | 0 | $0 | - | View return |
| 2017 | Randolph College Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | Muscarelle Museum of Art Foundation | 990 | Vice Chair | 10 | $0 | $0 | View return |
| 2017 | The Roberson Foundation | 990 | Chairman | 0 | $0 | $0 | View return |
| 2017 | Muscarelle Museum of Art Foundation | 990 | Chair | 10 | $0 | $0 | View return |
| 2016 | Ushirika Fundi I | 990EZ | Vice-President | 2 | $0 | $0 | View return |
| 2016 | New York Genealogical and Biographical Society | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2016 | The Woodrow Wilson Presidential Library Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Muscarelle Museum of Art Foundation | 990 | Vice Chair | 10 | $0 | $0 | View return |
| 2016 | Muscarelle Museum of Art Foundation | 990 | Vice Chair | 10 | $0 | $0 | View return |
| 2016 | Plains Indians and Pioneers Historical Foundation | 990 | Executive Director | 36 | $0 | $0 | View return |
| 2016 | Bpoe Carlsbad Elks Lodge #1558 | 990 | Chaplain | 5 | $0 | $0 | View return |
| 2016 | The Roberson Foundation | 990 | Chairman | 0 | $0 | $0 | View return |
| 2016 | Roberson Memorial Inc DBA Roberson Museum and Science Center | 990 | Trustee | 0 | $0 | $0 | View return |
| 2015 | Earth City Board of Trustees | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Ushirika Fundi I | 990EZ | Vice-President | 1 | $0 | $0 | View return |
| 2015 | New York Genealogical and Biographical Society | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2015 | The Roberson Foundation | 990 | Chairman | 0 | $0 | $0 | View return |
| 2015 | Plains Indians and Pioneers Historical Foundation | 990 | Executive Director | 40 | $0 | $0 | View return |
| 2015 | Roberson Memorial Inc DBA Roberson Museum and Science Center | 990 | Trustee | 0 | $0 | $0 | View return |
| 2014 | Earth City Board of Trustees | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | Muscarelle Museum of Art Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | New York Genealogical and Biographical Society | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2014 | Roberson Memorial Inc DBA Roberson Museum and Science Center | 990 | Trustee | 0 | $0 | $0 | View return |
| 2014 | Plains Indians and Pioneers Historical Foundation | 990 | Director | 40 | $0 | $0 | View return |
| 2013 | New York Genealogical and Biographical Society | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2013 | Earth City Board of Trustees | 990 | Trustee | 2 | $0 | $0 | View return |
| 2013 | Unknown Organization | 990EZ | Director | 1 | $0 | $0 | View return |
| 2013 | Roberson Memorial Inc DBA Roberson Museum and Science Center | 990 | Trustee | 0 | $0 | $0 | View return |
| 2013 | The Roberson Foundation | 990 | Trustee | 0 | $0 | $0 | View return |