Navigation
Role / Title
Member of Technical Staff, Anthropic
as of Jan 2025
Birth Year
1981
All Facts
People
Employed BymK9pX3rQ7nJan 20253 pts▶
| As Of | Value | Source | Fact ID |
|---|---|---|---|
| Jan 2025 | Anthropic | anthropic.com | f_vAidx4lhTo |
| Jan 2014 | Open Philanthropy | openphilanthropy.org | f_S7CquLh2pg |
| Jan 2007 | GiveWell | givewell.org | f_FxnbY9edJA |
Role / TitleMember of Technical Staff, AnthropicJan 20253 pts▶
| As Of | Value | Source | Fact ID |
|---|---|---|---|
| Jan 2025 | Member of Technical Staff, Anthropic | — | f_XAT3w4UXai |
| Jan 2017 | Co-CEO, Open Philanthropy | openphilanthropy.org | f_1T4BNHSCJg |
| Jan 2007 | Co-founder & Co-Executive Director, GiveWell | givewell.org | f_eXyY0wAm3Q |
Background
Birth Year1981—▶
| As Of | Value | Source | Fact ID |
|---|---|---|---|
| — | 1981 | en.wikipedia.org | f_jptHKWBAFL |
EducationBA in Social Studies, Harvard University—▶
| As Of | Value | Source | Fact ID |
|---|---|---|---|
| — | BA in Social Studies, Harvard University | en.wikipedia.org | f_hK1aB2cD3e |
Notable ForCo-founder of GiveWell and Open Philanthropy; influential figure in effective altruism; author of 'Most Important Century' blog series on transformative AI—▶
| As Of | Value | Source | Fact ID |
|---|---|---|---|
| — | Co-founder of GiveWell and Open Philanthropy; influential figure in effective altruism; author of 'Most Important Century' blog series on transformative AI | en.wikipedia.org | f_hK4fG5hI6j |
Wikipediahttps://en.wikipedia.org/wiki/Holden_Karnofsky—▶
| As Of | Value | Source | Fact ID |
|---|---|---|---|
| — | https://en.wikipedia.org/wiki/Holden_Karnofsky | — | f_ipz9p2zvf6 |
General
Websitehttps://www.cold-takes.com—▶
| As Of | Value | Source | Fact ID |
|---|---|---|---|
| — | https://www.cold-takes.com | — | f_lagva40ag7 |
Career History
4| Organization | Title | Start | End | Source | Notes |
|---|---|---|---|---|---|
| Bridgewater Associates | Analyst | 2003 | 2007 | en.wikipedia.org | Worked at Ray Dalio's hedge fund before founding GiveWell |
| GiveWell | Co-founder & Co-Executive Director | 2007 | 2014 | givewell.org | Co-founded with Elie Hassenfeld to evaluate charity effectiveness; remains on board |
| Open Philanthropy | Co-founder & Co-CEO | 2014 | 2024 | openphilanthropy.org | Spun out from GiveWell; directed billions in grantmaking; authored influential 'Most Important Century' series; stepped back from operational role in 2024 |
| anthropic | Member of Technical Staff | Jan 2025 | — | anthropic.com | Works on responsible scaling policy; also serves as Anthropic board observer |
▶Internal Metadata
| ID | eQh3ZhWv8D |
| Stable ID | eQh3ZhWv8D |
| Numeric ID | E156 |
| Type | person |
| YAML Source | packages/kb/data/things/eQh3ZhWv8D.yaml |
| Facts | 12 structured |
| Records | 4 in 1 collection |
Social Media@HoldenKarnofsky—▶