| 2024 | The Martha and Alexis Stewart Charitable Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2024 | Williamson Family Foundation | 990PF | Secy./Treas. | 0 | $0 | $0 | View return |
| 2024 | Kent Narrows Racing Association Inc | 990EZ | Secretary | 4 | $0 | $0 | View return |
| 2024 | Upper Room Housing Corporation T/A Allen House | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Friends of Hudson River Park Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Oklahoma State School Boards Association Inc. | 990 | Chief Fin'L | 40 | $117,934 | $0 | View return |
| 2023 | Kent Narrows Racing Association Inc | 990EZ | Secretary | 4 | $0 | $0 | View return |
| 2023 | The Martha and Alexis Stewart Charitable Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | Shepherd House Inc. | 990 | President | - | $0 | $0 | View return |
| 2023 | Williamson Family Foundation | 990PF | Secy./Treas. | 0 | $0 | $0 | View return |
| 2023 | Upper Room Housing Corporation T/A Allen House | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Friends of Hudson River Park Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Oklahoma State School Boards Association Inc. | 990 | Chief Financial Officer | 40 | $112,410 | $0 | View return |
| 2022 | Kent Narrows Racing Association Inc | 990EZ | Secretary | 4 | $0 | $0 | View return |
| 2022 | Upper Room Housing Corporation T/A Allen House | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | The Martha and Alexis Stewart Charitable Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | Williamson Family Foundation | 990PF | Secy./Treas. | 0 | $0 | $0 | View return |
| 2022 | Friends of Hudson River Park Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Mental Health Associates of the Triad | 990 | President | 2 | $0 | $0 | View return |
| 2021 | Oklahoma State School Boards Association Inc. | 990 | Chief Financial Officer | 40 | $104,588 | $0 | View return |
| 2021 | Williamson Family Foundation | 990PF | Secy./Treas. | 0 | $0 | $0 | View return |
| 2021 | Shepherd House Inc. | 990 | President | - | $0 | $0 | View return |
| 2021 | Kent Narrows Racing Association Inc | 990EZ | Secretary | 4 | $0 | - | View return |
| 2021 | Upper Room Housing Corporation T/A Allen House | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Friends of Hudson River Park Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | The Martha and Alexis Stewart Charitable Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | Mental Health Associates of the Triad | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Greatschools Inc. | 990 | VP, Operations | 40 | $146,063 | $0 | View return |
| 2020 | Oklahoma State School Boards Association Inc. | 990 | Chief Financial Officer | 40 | $100,028 | $0 | View return |
| 2020 | The Martha and Alexis Stewart Charitable Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | Williamson Family Foundation | 990PF | Secy./Treas. | 0 | $0 | $0 | View return |
| 2020 | Shepherd House Inc. | 990 | President | - | $0 | $0 | View return |
| 2020 | Friends of Hudson River Park Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | Greatschools Inc. | 990 | VP, Operations | 40 | $139,143 | $0 | View return |
| 2019 | Oklahoma State School Boards Association Inc. | 990 | Chief Financial Officer | 40 | $95,563 | $0 | View return |
| 2019 | Williamson Family Foundation | 990PF | Secy./Treas. | 0 | $0 | $0 | View return |
| 2019 | Shepherd House Inc. | 990 | Director | - | $0 | $0 | View return |
| 2019 | The Martha and Alexis Stewart Charitable Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | Friends of Hudson River Park Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | Mental Health Associates of the Triad | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Oklahoma State School Boards Association Inc. | 990 | Chief Financial Officer | 40 | $92,991 | $0 | View return |
| 2018 | Project Soldiers & Skins | 990EZ | Chief Operating Officer | 5 | $0 | $0 | View return |
| 2018 | Williamson Family Foundation | 990PF | Secy./Treas. | 0 | $0 | $0 | View return |
| 2018 | Shepherd House Inc. | 990 | Director | - | $0 | $0 | View return |
| 2018 | Friends of Hudson River Park Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | The Martha and Alexis Stewart Charitable Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2018 | Bradford Glen Homeowners Assoc Inc | 990EZ | Secretary | 0 | $0 | - | View return |
| 2018 | Mental Health Associates of the Triad | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Oklahoma State School Boards Association Inc. | 990 | Chief Financial Officer | 50 | $93,489 | $0 | View return |
| 2017 | Project Soldiers & Skins | 990EZ | Chief Operating Officer | 5 | $0 | $0 | View return |
| 2017 | Communities in Schools of Hampton Roads | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Ossining Food Pantry | 990 | Director | 3 | $0 | $0 | View return |
| 2017 | Williamson Family Foundation | 990PF | Secy./Treas. | 0 | $0 | $0 | View return |
| 2017 | The Martha and Alexis Stewart Charitable Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2017 | Friends of Hudson River Park Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Mental Health Associates of the Triad | 990 | Director | 0.5 | $0 | $0 | View return |
| 2016 | St Mary'S Home for Disabled Children Inc | 990 | Director Of Development | 40 | $100,068 | $0 | View return |
| 2016 | Ossining Food Pantry | 990 | Director/Treasurer | 3 | $0 | $0 | View return |
| 2016 | Friends of Hudson River Park Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Project Soldiers & Skins | 990EZ | Chief Operating Officer | 5 | $0 | $0 | View return |
| 2016 | The Martha and Alexis Stewart Charitable Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2016 | Williamson Family Foundation | 990PF | Secy./Treas. | 0 | $0 | $0 | View return |
| 2016 | University Health Professionals Aft Local 3837 | 990 | VP Membership | 4 | $0 | $0 | View return |
| 2016 | Mental Health Associates of the Triad | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | University Health Professionals Aft Local 3837 | 990 | VP Membership | 4 | $1,305 | $0 | View return |
| 2015 | Project Soldiers & Skins | 990EZ | Chief Operating Officer | 5 | $0 | $0 | View return |
| 2015 | The Martha and Alexis Stewart Charitable Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2015 | Friends of Hudson River Park Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Ossining Food Pantry | 990 | Director/Treasurer | 3 | $0 | $0 | View return |
| 2015 | Maine Academy of Family Physicians Foundation | 990EZ | Board Of Directors | 0.25 | $0 | $0 | View return |
| 2015 | American Academy of Family Physicians - | 990EZ | Bd Of Directors | 0.3 | $0 | $0 | View return |
| 2015 | Mental Health Associates of the Triad | 990 | Imme. Past-Pre. | 0.5 | $0 | $0 | View return |
| 2014 | Maine Academy of Family Physicians Foundation | 990EZ | Board Of Directors | 0.25 | $0 | $0 | View return |
| 2014 | The Martha and Alexis Stewart Charitable Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2014 | Kent Narrows Racing Association Inc | 990EZ | Secretary | 4 | $0 | $0 | View return |
| 2014 | Friends of Hudson River Park Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Ossining Food Pantry | 990 | Director/Treasurer | 3 | $0 | $0 | View return |
| 2014 | American Academy of Family Physicians - | 990EZ | Bd Of Directors | 0.3 | $0 | $0 | View return |
| 2014 | Mental Health Associates of the Triad | 990 | President | 1 | $0 | $0 | View return |
| 2013 | American Academy of Family Physicians - | 990EZ | Bd Of Directors | 0.3 | $0 | $0 | View return |
| 2013 | The Martha and Alexis Stewart Charitable Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2013 | Friends of Hudson River Park Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Maine Academy of Family Physicians Foundation | 990EZ | Board Of Directors | 0.25 | $0 | $0 | View return |
| 2013 | Ossining Food Pantry | 990 | Director/Treasurer | 3 | $0 | $0 | View return |
| 2013 | Kent Narrows Racing Association Inc | 990EZ | Secretary | 4 | $0 | $0 | View return |
| 2012 | The Martha and Alexis Stewart Charitable Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2011 | The Martha and Alexis Stewart Charitable Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2010 | The Martha and Alexis Stewart Charitable Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |