| Coefficient Giving |
Senior Program Officer (2023-05-01–2024-12-21); Research Analyst (2016-07-01–2018-11-28); Senior Research Analyst (2018-12-01–2023-05-01); Senior Advisor (2025-01-28–2025-12-01) |
Co-CEO (2021-06-01–); Project Lead (2014-08-01–2017-06-01); Chief Executive Officer (2017-06-01–2021-06-01); Co-CEO (2021-06-01–2023-07-01); Director of AI Strategy (2023-07-01–2024-04-01) |
| GiveWell |
Research Analyst (2016-07-01–2016-09-01) |
Co-Founder, Co-Executive Director (2006-08-01–2007-04-27); Co-Executive Director (2007-04-28–2008-01-03); Program Officer (2008-01-04–2008-01-04); Board Secretary (2008-01-04–2011-07-25); Co-Executive Director (2011-08-05–2017-06-01) |
| Redwood Research |
Advisor (2021-01-01–2022-09-22); Director (2023-09-12–2024-11-27) |
Board Member (2021-01-01–2023-11-16) |