| 2024 | Tmt International Observatory LLC | 990 | Secretary/Governor | 4 | $0 | $0 | View return |
| 2023 | California Institute of Technology | 990 | VP Strategy Implementation | 40 | $559,006 | $0 | View return |
| 2023 | Tmt International Observatory LLC | 990 | Secretary/Governor | 4 | $0 | $0 | View return |
| 2023 | Tmt Observatory Corporation | 990 | Director | 4 | $0 | $0 | View return |
| 2022 | California Institute of Technology | 990 | VP Strategy Implementation | 40 | $525,244 | $0 | View return |
| 2022 | Tmt International Observatory LLC | 990 | Secretary/Governor/Act Treas. | 4 | $0 | $0 | View return |
| 2022 | Tmt Observatory Corporation | 990 | Director | 4 | $0 | $0 | View return |
| 2021 | Tmt International Observatory LLC | 990 | Secretary/Governor/Act Treas. | 4 | $0 | $0 | View return |
| 2020 | California Institute of Technology | 990 | VP Strategy Implementation | 40 | $429,203 | $0 | View return |
| 2020 | Tmt International Observatory LLC | 990 | Secretary/Governor | 4 | $0 | $0 | View return |
| 2020 | Tmt Observatory Corporation | 990 | Director | 4 | $0 | $0 | View return |
| 2019 | California Institute of Technology | 990 | VP Strategy Implementation | 40 | $520,510 | $0 | View return |
| 2019 | Tmt International Observatory LLC | 990 | Secretary/Governor | 4 | $0 | $0 | View return |
| 2019 | Tmt Observatory Corporation | 990 | Director | 4 | $0 | $0 | View return |
| 2018 | California Institute of Technology | 990 | VP Strategy Implementation | 40 | $387,220 | $0 | View return |
| 2018 | Tmt International Observatory LLC | 990 | Secretary/Governor | 4 | $0 | $0 | View return |
| 2018 | Tmt Observatory Corporation | 990 | Director | 4 | $0 | $0 | View return |
| 2017 | California Institute of Technology | 990 | VP Strategy Implementation | 40 | $366,110 | $0 | View return |
| 2017 | Tmt International Observatory LLC | 990 | Secretary/Governor | 4 | $0 | $0 | View return |
| 2017 | Tmt Observatory Corporation | 990 | Director | 4 | $0 | $0 | View return |
| 2016 | California Institute of Technology | 990 | VP Strategy Implementation | 40 | $364,018 | $0 | View return |
| 2016 | Tmt International Observatory LLC | 990 | Secretary (Since 7/1/16) | 4 | $0 | $0 | View return |
| 2015 | California Institute of Technology | 990 | VP Strategy Implementation | 40 | $452,436 | $0 | View return |
| 2015 | Tmt International Observatory LLC | 990 | Secretary | 4 | $0 | $0 | View return |
| 2015 | Tmt Observatory Corporation | 990 | Director (Since 7/1/16) | 4 | $0 | $0 | View return |
| 2014 | California Institute of Technology | 990 | VP Strategy Implementation | 40 | $218,965 | $0 | View return |
| 2013 | California Institute of Technology | 990 | VP Strategy Impl(Since 7/1/14) | 40 | - | - | View return |