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Holden Karnofsky

Co-founded GiveWell and Open Philanthropy (now Coefficient Giving), which he led until 2023; member of technical staff at Anthropic from January 2025, as of 2026. Wrote Cold Takes, on the most important century.

Holden Karnofsky did not write this page. ppll compiled it from their own words, each linked to the source. Is this you? · Report a mistake

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What they believe

The bold line is korrents’ wording; the quote is theirs. These 2: what they wrote before what they said aloud, one per source, newest first.

All 16 beliefs, on korrents

Everything, newest first — across every channel.

Sources

30 June 2022

15 February 2022

2 February 2022

Holden KarnofskyKorrents

From one piece Future-proof ethics 4 beliefs · cold-takes.com

+ 1 more

20 January 2022

Holden KarnofskyRecommends
  • Their words

    All of the reviews - plus this Twitter thread by Brad DeLong - echoed the theme that the book is thinly cited and that many of its claims seem overstated or unsupported. That makes it a tough sell for me, as I’m not excited to read 500 pages of claims that aren’t particularly likely to hold up once I dig in and check them out.

    cold-takes.com

23 November 2021

Holden KarnofskyKorrents

From one piece Minimal-trust investigations 2 beliefs · cold-takes.com

2 September 2021

Holden KarnofskyRecommends
  • Recommendsrcmnd.app

    octopus plug

    Their words

    I recommend traveling with an octopus plug so you never have to fight over an airport charger (instead, you're a hero!)

    cold-takes.com

  • Recommendsrcmnd.app

    LastPass

    Their words

    I recommend LastPass and maximal use of two-factor authentication.

    cold-takes.com

18 August 2011

Holden KarnofskyKorrents

From one piece Why we can’t take expected value estimates literally (even when they’re unbiased) 7 beliefs · blog.givewell.org

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Beliefs

What is a korrent?

A korrent is a belief a person has stated in their own words: one sentence stating the claim, backed by a quote and a source, kept at korrents.com.

Under a name here, the quoted block is what they actually said. The korrent beneath it is the claim those words support, in korrents' wording — tap it to see the record, its source, and who else holds it.

Nobody here wrote their own korrents. They are compiled from public statements, and a person can change their mind, which is recorded too.

Recommends rcmnd

Where they publish

About the English under a post

Some people here publish in a language other than English. Where they do, this site shows a machine translation beneath the post, in this typeface — the site's own, not theirs.

The post itself is never changed, moved or hidden: what is set in the serif above is exactly what the person published, and it is what to quote them on. A translation can be wrong in ways that matter, especially about tone.

Only the post's own words are translated. A quoted post, a linked article and a belief on korrents.com are left in their original language.