| Coefficient Giving |
Research Analyst (2015-03-01–2016-06-01); Senior Research Analyst (2016-09-10–2018-02-06) |
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 (2015-03-01–2016-08-13) |
Co-founder (2006-08-01–); (2006-08-01–2007-01-01); (2007-01-01–2011-07-05); Secretary (2010-06-09–2019-07-19); Co-Executive Director (2011-08-05–2017-06-06); Vice Chair (2019-08-13–2023-07-03) |
| OpenAI |
Board Member (2021-12-01–2023-11-22) |
Board (–2021-01-01) |