| 2024 | Diplomacy Center Foundation | 990 | Trustee | 0.25 | $0 | $0 | View return |
| 2024 | Pacific Century Institute Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Diplomacy Center Foundation | 990 | Trustee | 0.25 | $0 | $0 | View return |
| 2023 | Diplomacy Center Foundation | 990 | Trustee | 0.25 | $0 | $0 | View return |
| 2023 | The Henry L Stimson Center | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Pacific Century Institute Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Diplomacy Center Foundation | 990 | Trustee | 0.25 | $0 | $0 | View return |
| 2022 | Pacific Century Institute Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | The Henry L Stimson Center | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Pacific Century Institute Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Diplomacy Center Foundation | 990 | Trustee | 0.25 | $0 | $0 | View return |
| 2021 | The Henry L Stimson Center | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Pacific Century Institute Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Diplomacy Center Foundation | 990 | Trustee | 0.25 | $0 | $0 | View return |
| 2020 | American Academy of Diplomacy | 990 | Director | 0.25 | $0 | $0 | View return |
| 2019 | Diplomacy Center Foundation | 990 | Trustee | 0.25 | $0 | $0 | View return |
| 2019 | American Academy of Diplomacy | 990 | Director | 0.25 | $0 | $0 | View return |
| 2019 | Pacific Century Institute Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Diplomacy Center Foundation | 990 | Trustee | 0.25 | $0 | $0 | View return |
| 2018 | Pacific Century Institute Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | American Academy of Diplomacy | 990 | Director | 0.25 | $0 | $0 | View return |
| 2017 | Diplomacy Center Foundation | 990 | Trustee | 0.25 | $0 | $0 | View return |
| 2017 | American Academy of Diplomacy | 990 | Director | 0.25 | $0 | $0 | View return |
| 2016 | Diplomacy Center Foundation | 990 | Director | 1 | - | - | View return |
| 2016 | American Academy of Diplomacy | 990 | Director | 0 | - | - | View return |
| 2015 | American Academy of Diplomacy | 990 | Director | 1 | - | - | View return |
| 2015 | Diplomacy Center Foundation | 990 | Director | 1 | - | - | View return |
| 2014 | John D and Catherine T Macarthur Foundation (Consolidated) | 990PF | Director & Pres To 07/01/14 | 50 | $2,202,509 | $59,700 | View return |
| 2014 | Niagara Falls National Heritage Are | 990 | Board Member | - | $0 | $0 | View return |
| 2014 | Diplomacy Center Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | John D and Catherine T Macarthur Foundation (Consolidated) | 990PF | President | 50 | $666,543 | $131,162 | View return |
| 2013 | Diplomacy Center Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Niagara Falls National Heritage Are | 990EZ | Board Member | 1 | $0 | - | View return |
| 2012 | John D and Catherine T Macarthur Foundation (Consolidated) | 990PF | President | 50 | $628,541 | $123,591 | View return |
| 2011 | John D and Catherine T Macarthur Foundation (Consolidated) | 990PF | President | 50 | $609,245 | $118,801 | View return |
| 2010 | John D and Catherine T Macarthur Foundation (Consolidated) | 990PF | President | 50 | $588,562 | $118,914 | View return |