| Effective Altruism Foundation |
President (–2016-12-20) |
Co-Executive Director (2016-10-26–2018-09-03); Director of Growth (2018-09-03–); Head of Development (2016-05-28–2016-10-26) |
| Foundational Research Institute |
Advisor (–2015-11-01); Board member and co-founder (2015-11-01–2016-01-01); Executive director (2016-01-01–2017-06-01); Board member (2016-03-01–2017-06-01) |
Director of Growth (2016-03-01–2016-05-01); Director of Growth (2017-06-01–2017-11-01) |
| Raising for Effective Giving |
Chairman (2014-07-01–) |
Advisor (2018-06-01–2018-06-12); Director of Communications (2015-03-01–2015-08-01); Executive Director (2015-09-01–2016-08-01) |