The LessWrong Team

Core Team

Oliver Habryka /​ Habryka

Oliver Habryka is the current project lead for, where he tries to build infrastructure for making intellectual progress on global catastrophic risks, cause prioritization and the art of rationality. He used to work at the Centre for Effective Altruism US as strategic director, ran the EA Global conferences for 2015 and 2016 and is an instructor for the Center for Applied Rationality. He has generally been involved with community organizing for the Effective Altruism and Rationality communities in a large variety of ways. He studied Computer Science and Mathematics at UC Berkeley, and his primary interests are centered around understanding how to develop communities and systems that can make scalable progress on difficult philosophical and scientific problems.

Ben Pace /​ Benito

I read The Sequences when I was 14 (in 2011, after the sequences were written) and I’ve read and contributed to LessWrong and the broader rationality community since then. When I was 19 I ran an EA Global conference with Jacob Lagerros. I have a CS degree from Oxford, but I learned more from running the conference. Jacob and I do various things on the LessWrong Team – recently we professionally published some cute books of the best new content. If you’re interested in how I think you can read these two LessWrong posts that I wrote (1, 2).

Raymond Arnold /​ Raemon

I’ve been a LessWrong organizer since 2011, with roughly equal focus on the cultural, practical and intellectual aspects of the community. My first project was creating the Secular Solstice and helping groups across the world run their own version of it. More recently I’ve been interested in improving my own epistemic standards and helping others to do so as well.
I guess also I code? I worked at Spotify. Now I don’t.

Ruben Bloom /​ Ruby

At LessWrong, I analyze data, design and test features, talk to users, and write many lengthy documents. I care a lot that the team executes an algorithm that actually has a chance at succeeding at our ambitious goals; I talk a lot about “feedback loops” and “reviews of decision-making.” Before I moved to the Bay, I was an organizer for the LessWrong and EA communities in my hometown of Melbourne, Australia. My broader background is that I studied philosophy, psychology, and electrical engineering before working as a Data Scientist and Product Manager.


Kaj Sotala /​ Kaj_Sotala

Elizabeth V /​ Elizabeth

Admin (BDFL)

Matthew Graves /​ Vaniver

Vaniver describing Vaniver:

I’ve had forum-posting as a hobby since I was young, first on a D&D forum, then on the xkcd forums, and then finally on LW, which I found through a link to HPMOR on the xkcd forums. I studied physics, economics, and operations research (which I sometimes describe as ‘industrial rationality’), and worked as a data scientist before moving to the Bay to work for MIRI.

Raemon describing Vaniver:

Once upon a time, LessWrongalmost died. There were numerous half-hearted attempts to revitalize the community. Eventually someone noticed that part of the problem was there was no particular person who actually had the mandate to make sweeping changes. Someone said “I vote for Vaniver” and then a bunch of people said “me too!” and in a highly unsuspect, democratic process, Vaniver became king.
Nowadays Vaniver is the meta-king, and his gentle authority flows through us.

The LessWrong team operates legally as part of the Center for Applied Rationality while retaining full autonomy over both internal decision-making and decisions concerning the LessWrong website. The domain is owned by the Machine Intelligence Research Institute.

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