2009: Giving What We Can
- Giving What We Can, a community of effective givers, is founded in Oxford UK.
- 80,000 Hours is founded to help people lead high-impact careers.
- The Centre for Effective Altruism is founded as an umbrella organization for Giving What We Can and 80,000 Hours. In the process we come up with the term "effective altruism".
- Giving What We Can incubates The Life You Can Save, which later spins off.
- 80,000 Hours incubates Animal Charity Evaluators, which later spins off.
- Good Done Right, an academic conference on effective altruism, is hosted by CEA in Oxford.
- Global Priorities Project, a research and policy project, is formed as a collaboration between CEA and the Future of Humanity Institute (the project is merged back into CEA in 2016).
- CEA trials EA Ventures to fund experimental projects (the project was closed in 2016, and later replaced with EA Grants).
- 80,000 Hours team participates in Y Combinator startup accelerator.
- CEA begins hosting the EA Global conference series.
- Doing Good Better is published, and promoted with the help of CEA.
- CEA helps local organizers run the first EA Global X community conferences.
- Giving What We Can merges into CEA.
- Special Projects division is formed to include Philanthropic Advising and Fundamentals Research.
- 80,000 Hours begins to operate more separately from the rest of CEA.
- Global Priorities Project is discontinued and merged into Future of Humanities Institute and Fundamentals Research.
2017: Y Combinator
- CEA participates in Y Combinator startup accelerator and launches Effective Altruism Funds.
- CEA establishes a permanent office in Berkeley, CA, as well as Oxford, UK.
- The Special Projects division focuses on content production and merges with the rest of CEA.
- EA Grants and individual outreach team are launched.