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George Rosenfeld

Karma: 827

I’m currently the Deputy Director for Open Phil’s Global Catastrophic Risks team.

Previously, I was Chief of Staff at Effective Ventures UK and a consultant at McKinsey. Before that, I did my undergrad at Cambridge, where I founded Raise, an EA-aligned student movement in 7 UK universities which raised £500k for AMF. I also co-founded EA for Jews in 2021.

A per­sonal let­ter on trans­for­ma­tive AI

George Rosenfeld25 May 2026 17:48 UTC
95 points
3 comments1 min readEA link
(multipliercg.substack.com)

Open Phil’s GCR team is grow­ing – and we’re hiring sev­eral Chiefs of Staff

George Rosenfeld18 Nov 2025 5:22 UTC
36 points
1 comment4 min readEA link

Free-spend­ing EA might be a big prob­lem for op­tics and epistemics

George Rosenfeld12 Apr 2022 20:30 UTC
567 points
186 comments8 min readEA link

Outreach to Young Au­di­ences: Bar /​ Bat Mitz­vah Pro­gramme Pro­posal and Re­quest for Com­ment

George Rosenfeld20 Feb 2022 21:49 UTC
56 points
2 comments6 min readEA link