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