| Organization | Elie Hassenfeld | Lewis Bollard |
|---|---|---|
| Effective Altruism Funds | Fund chair (2021-12-15–) | Fund advisor (2023-03-17–); Fund Manager (2022-03-03–2022-03-03) |
| GiveWell | Co-Founder and Chief Executive Officer (President) (2007-08-01–2025-09-15) | Program Officer, Farm Animal Welfare (2015-10-01–2016-09-01) |
| Coefficient Giving | Managing Director (2016-01-11–2018-02-26) | Managing Director, Farm Animal Welfare (2025-11-01–); Farm Animal Welfare Program Officer (2015-10-01–2022-10-01); Farm Animal Welfare Program Director (2022-10-01–2025-11-01) |
| Title | Publication date | Author | Publisher | Affected organizations | Affected people | Document scope | Cause area | Notes |
|---|