| 2024 | The Simons Foundation Inc | 990PF | Trustee | 1 | $17,000 | $15,000 | View return |
| 2023 | The Simons Foundation Inc | 990PF | Trustee | 1 | $10,000 | $4,800 | View return |
| 2023 | National Academy of Sciences | 990 | Treasurer | 19 | $0 | $0 | View return |
| 2023 | The National Academies Corporation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2022 | The Simons Foundation Inc | 990PF | Trustee | 1 | $9,000 | $0 | View return |
| 2022 | Institute for Defense Analyses | 990 | Trustee (End 05/23) | 4 | $8,000 | $0 | View return |
| 2022 | National Academy of Sciences | 990 | Treasurer | 19 | $0 | $0 | View return |
| 2022 | The National Academies Corporation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2021 | Institute for Defense Analyses | 990 | Emeritus Trustee | 4 | $15,000 | $0 | View return |
| 2021 | The Simons Foundation Inc | 990PF | Trustee | 1 | $10,000 | $0 | View return |
| 2021 | National Academy of Sciences | 990 | Treasurer | 19 | $0 | $0 | View return |
| 2021 | The National Academies Corporation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2020 | Institute for Defense Analyses | 990 | Trustee | 4 | $20,000 | $0 | View return |
| 2020 | The Simons Foundation Inc | 990PF | Trustee | 1 | $8,000 | $0 | View return |
| 2020 | National Academy of Sciences | 990 | Treasurer | 19 | $0 | $0 | View return |
| 2020 | The National Academies Corporation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2019 | Institute for Defense Analyses | 990 | Trustee | 4 | $19,500 | $0 | View return |
| 2019 | The Simons Foundation Inc | 990PF | Trustee | 1 | $8,000 | $0 | View return |
| 2019 | The National Academies Corporation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2019 | National Academy of Sciences | 990 | Treasurer | 19 | $0 | $0 | View return |
| 2018 | Institute for Defense Analyses | 990 | Trustee | 4 | $19,000 | $0 | View return |
| 2018 | The Simons Foundation Inc | 990PF | Trustee | 1 | $8,000 | $0 | View return |
| 2018 | The National Academies Corporation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2018 | National Academy of Sciences | 990 | Treasurer | 19 | $0 | $0 | View return |
| 2017 | The Simons Foundation Inc | 990PF | Trustee (As Of 02/2017) | 1 | $0 | $0 | View return |
| 2017 | National Academy of Sciences | 990 | Treasurer | 19 | $0 | $0 | View return |
| 2017 | The National Academies Corporation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2016 | Institute for Defense Analyses | 990 | Trustee | 4 | $18,500 | $0 | View return |
| 2016 | National Academy of Sciences | 990 | Treasurer Beg 7/1/16 | 19 | $0 | $0 | View return |
| 2016 | The National Academies Corporation | 990 | Treasurer- Begin 7/1/16 | 1 | $0 | $0 | View return |
| 2015 | Institute for Defense Analyses | 990 | Trustee | 3 | $19,750 | $0 | View return |
| 2014 | Institute for Defense Analyses | 990 | Trustee | 3 | $17,000 | $0 | View return |
| 2014 | American Association for The | 990 | Chair (Thru 02/2014) | 4 | $0 | $0 | View return |
| 2013 | Institute for Defense Analyses | 990 | Trustee | 3 | $17,000 | $0 | View return |
| 2013 | American Association for The | 990 | Pres (Through 02/2013) / Chair | 4 | $0 | - | View return |