| 2024 | Brownsburg Community Association | 990EZ | Treasurer | 1 | $0 | - | View return |
| 2024 | Council for Economic Education | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Siegfried Family Foundation | 990PF | Officer | 2 | $0 | $0 | View return |
| 2024 | Delaware Valley Fish and Game Assn | 990EZ | Director | 0.5 | $0 | - | View return |
| 2024 | National Bureau of Economic Research Inc. | 990 | Director Emeritus | 1 | $0 | $0 | View return |
| 2023 | Council for Economic Education | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Siegfried Family Foundation | 990PF | Officer | 2 | $0 | $0 | View return |
| 2023 | Brownsburg Community Association | 990EZ | Treasurer | 1 | $0 | - | View return |
| 2023 | Delaware Valley Fish and Game Assn | 990EZ | Director | 0.5 | $0 | - | View return |
| 2023 | National Bureau of Economic Research Inc. | 990 | Director Emeritus | 1 | $0 | $0 | View return |
| 2022 | Siegfried Family Foundation | 990PF | Officer | 2 | $0 | $0 | View return |
| 2022 | Council for Economic Education | 990 | Board Members | 1 | $0 | $0 | View return |
| 2022 | Brownsburg Community Association | 990EZ | Director | 0 | $0 | - | View return |
| 2022 | National Bureau of Economic Research Inc. | 990 | Director Emeritus | 1 | $0 | $0 | View return |
| 2021 | Brownsburg Community Association | 990EZ | Director | 1 | $0 | - | View return |
| 2021 | Siegfried Family Foundation | 990PF | Pres | 2 | $0 | $0 | View return |
| 2021 | The Jonathan Association | 990 | Director | 0 | $0 | $0 | View return |
| 2021 | Council for Economic Education | 990 | Board Members | 1 | $0 | $0 | View return |
| 2021 | National Bureau of Economic Research Inc. | 990 | Director Emeritus | 1 | $0 | $0 | View return |
| 2020 | Learning Courage | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Siegfried Family Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2020 | The Jonathan Association | 990 | Director | 0 | $0 | $0 | View return |
| 2020 | Council for Economic Education | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Brownsburg Community Association | 990EZ | Director | 1 | $0 | - | View return |
| 2020 | Izaak Walton League of America Inc | 990EZ | Director | 1 | $0 | $0 | View return |
| 2020 | National Bureau of Economic Research Inc. | 990 | Director Emeritus | 1 | $0 | $0 | View return |
| 2019 | Council for Economic Education | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Izaak Walton League of America Inc | 990EZ | Director | 1 | $0 | $0 | View return |
| 2019 | Brownsburg Community Association | 990EZ | Director | 1 | $0 | - | View return |
| 2019 | National Bureau of Economic Research Inc. | 990 | Director Emeritus | 1 | $0 | $0 | View return |
| 2018 | Council for Economic Education | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | National Bureau of Economic Research Inc. | 990 | Director Emeritus | 1 | $0 | $0 | View return |
| 2017 | Council for Economic Education | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | National Bureau of Economic Research Inc. | 990 | Director Emeritus | 1 | $0 | $0 | View return |
| 2016 | Council for Economic Education | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | National Bureau of Economic Research Inc. | 990 | Director Emeritus | 1 | $0 | $0 | View return |
| 2015 | The Jonathan Association | 990 | Director | - | $0 | $0 | View return |
| 2015 | Council for Economic Education | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | National Bureau of Economic Research Inc. | 990 | Director Emeritus | 1 | $0 | $0 | View return |
| 2014 | American Economic Association | 990 | Asst Sec/Treas | 10 | $85,233 | $0 | View return |
| 2014 | The Jonathan Association | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Council for Economic Education | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | National Bureau of Economic Research Inc. | 990 | Director Emeritus | 1 | $0 | $0 | View return |
| 2013 | Council for Economic Education | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | National Bureau of Economic Research Inc. | 990 | Director Emeritus | 1 | $0 | $0 | View return |