Stuart Ritchie @stuartjritchie.bsky.social 
Orpheus Lummis @orpheuslummis.info Advancing AI safety through convenings, coordination, software, analysis
Founder of HΩ (https://horizonomega.org), based in Montréal
manvir singh @manvir.bsky.social anthropologist at uc davis.
contributing writer at the new yorker.
author of SHAMANISM: THE TIMELESS RELIGION (knopf + allen lane).
Elizabeth Cooper @liz-cooper.bsky.social Executive Director at Berkeley Existential Risk Initiative.
Elastic magazine @elasticmag.bsky.social The print magazine of psychedelic art and literature. Elastic No. 1: The Dying Issue is available now at elasticmag.com. - D David Chalmers @davidchalmers.bsky.social
Adam Bonica @adambonica.bsky.social Professor of Political Science at Stanford | Exploring money in politics, campaigns and elections, ideology, the courts, and inequality | Author of The Judicial Tug of War cup.org/2LEoMrs | https://data4democracy.substack.com
Emily Liu @emilyliu.me this bio is left as an exercise to the reader
🌱 emilyliu.me
Adrian Tchaikovsky @aptshadow.bsky.social Author: Children of Time, Shadows of the Apt, Final Architecture, City of Last Chances and others. adriantchaikovsky.com
Zack Williams, MD, PhD @quantpsychiatry.bsky.social •Autistic (+ADHD, OCD, Tourettes) autism researcher and trainee psychiatrist (rising PGY-1)
•YaleCSC➡️VanderbiltMSTP➡️UCLA
•Catatonia enthusiast, patient advocate, stats guy
•MH research/methods/advocacy, autism/neurodiversity, academic medicine, dumb jokes
Longreads @longreads.com Sharing and publishing the best longform stories at longreads.com since 2009. Sister site of @atavist.com.
Become a member: https://longreads.com/join/
Submit to us: https://longreads.com/submissions
Alexander Berger @albrgr.bsky.social CEO of Coefficient Giving
jasmine sun @jasmine.bsky.social anthropologist of disruption / writing jasmi.news / san francisco
Molly Hickman @cellomolly.bsky.social Technical product manager @ Metaculus. Kidney donor. 🧬 Samotsvety forecasting
Steve Zekany @zekany.bsky.social Computer architecture. Caltrain and BART enthusiast. Previously: GovAI, AMD, ARM, UMich.
zeynep tufekci @zey.bsky.social It is said that there may be seeming disorder and yet no real disorder at all
Jason Crawford @jasoncrawford.org The Roots of Progress (rootsofprogress.org)
Rutger Bregman @rutgerbregman.com Historian | Author of ‘Utopia for Realists’ (2014), ‘Humankind’ (2020) and ‘Moral Ambition’ (2025) | Co-founder of The School for Moral Ambition | moralambition.org | rutgerbregman.com
📖 substack.com/@rutgerbregman
📺 youtube.com/@rutger.bregman
Vitalik Buterin @vitalik.ca - T Zvi Mowshowitz @thezvi.bsky.social Blog at thezvi.substack.com, this is a pure backup, same handle on Twitter.
Buck Shlegeris @bshlgrs.bsky.social 
Lynette Bye @lynettebye.bsky.social 
@jacobtref.bsky.social @jacobtref.bsky.social blog.jacobtrefethen.com
OpenAI Foundation
science!
tetra 💎⏹️🇺🇳 @thetetra.space 💎 here to believe true things and do good actions 💎 someone should probably solve AI alignment 💎 enjoying things rules! ☀️ but it's not snowing now
english/toki pona/日本語
Hannah Ritchie @hannahritchie.bsky.social Deputy Editor, Our World in Data
Senior Researcher, University of Oxford
Climate, energy, environment, all things data.
Naina Bajekal @nainabajekal.bsky.social 
Jeff Sebo @jeffsebo.bsky.social Associate Professor of Environmental Studies, Director of the Center for Environmental and Animal Protection, Director of the Center for Mind, Ethics, and Policy, and Co-Director of the Wild Animal Welfare Program, New York University. jeffsebo.net
Aaron Gertler @aarongertler.bsky.social Comms officer @ Open Philanthropy, former Magic pro, webfiction connoisseur. https://aarongertler.net/
Max Roser @maxroser.bsky.social — Founder of Our World in Data
— Professor at the University of Oxford
Data to understand global problems and research to make progress against them.
Luke K. Freeman 🔸 @lukes.me 
Hensley Lab @scottehensley.bsky.social dad, viral immunologist, professor
Michael Nielsen @michaelnielsen.bsky.social Searching for the numinous
Australian Canadian, currently living in the US
https://michaelnotebook.com
Our World in Data @ourworldindata.org Our World in Data is a free, nonprofit website with a mission to increase understanding of the world’s largest problems and drive informed action to solve them. Based out of Oxford University (@ox.ac.uk), founded by @maxroser.bsky.social.
Defender @defenderofbasic.bsky.social Scouting the internet for infohazards & infoblessings
Nuño Sempere @nunosempere.com See clearly, act fast, hold myself well. Seek self-reinforcing loops, cherish allies, and play on the side of humanity.
@dwarkesh.bsky.social @dwarkesh.bsky.social 
Andrew Conner @andrewconner.com https://andrewconner.com/
@wdmacaskill.bsky.social @wdmacaskill.bsky.social 
Brian Moore @brianmoore.com a car crash at the intersection of art and technology
🌐 brianmoore.com
📷 instagram.com/lanewinfield
Andrew Miller @andrewmilleryyz.bsky.social Principal, Paladin Consulting
Fellow, Roots of Progress Institute
Substack, CHANGING LANES: ChangingLanesNewsletter.com
Shakeel @shakeelhashim.com Writing about AI policy at Transformer. Supporting AI journalism with grants at Tarbell. Prev: AI safety and EA comms; journalist at The Economist, Protocol, Finimize. London.
https://transformernews.ai
jay @kuppermann.xyz online ecosystem keystone species (uc davis ecology phd), they/them
Deena Mousa @deenamousa.com Global health & development at Open Philanthropy
https://newsletter.deenamousa.com/
Alyssa Vance @alyssavance.bsky.social Senior Data Scientist, Blue Rose Research. Futurist, neophile, machine explorer. alyssamvance@gmail.com
Karthik Tadepalli @karthiktadepalli.bsky.social econ phd @ Berkeley, contractor @ GiveWell. market access rules everything around me. former homes: Philadelphia, Bangalore. 
gavin leech @gleech.org context maximizer
https://gleech.org/
alexandra scaggs @scaggs.bsky.social emotive forces shape the gestalt of the brand identity / https://bsky.app/profile/alphaville.ft.com / “not a dipshit”
Alec Stapp @alecstapp.bsky.social Co-founder IFP
Ken Opalo @kopalo.bsky.social Associate Professor at Georgetown University.
Washington, DC.
More here: https://www.africanistperspective.com/
Razib Khan @razibkhan.bsky.social Genetics. Evolution. History
https://www.razibkhan.com
https://www.razib.com
Matt Clancy @mattsclancy.bsky.social Runs Open Philanthropy’s Innovation Policy program. Creator of newthingsunderthesun.com, a living literature review about innovation. Website: mattsclancy.com.
Eduardo Schenberg, PhD @eeschenberg.bsky.social Neuroscience and Science Diplomacy
Psychedelic sciences critical thinking
Associate Researcher at ULisbon 🇵🇹 Affiliated Researcher at Petrie-Flom Center, Harvard U. 🇺🇸
Honorary Researcher at LAB lab, UCL 🇬🇧
www.eduardoschenberg.com
Jonah S. Goldberg @jgoldberg.bsky.social Not that one. Health systems PhD student at Harvard. 🦣: @jonahgoldberg@econtwitter.net
@undercoverhist.bsky.social @undercoverhist.bsky.social Historian of applied economics
(macro, public, urban, ag, env, design, tractability, computational econ & more)
CNRS & CREST, Ecole Polytechnique 
Stefan Schubert @stefanschubert.bsky.social I run The Update newsletter: www.update.news
Book: academic.oup.com/book/56384
Dean Eckles @eckles.bsky.social networks, contagion, causality
faculty at MIT
Peter Wildeford @peterwildeford.bsky.social Globally ranked top 20 forecaster, former data scientist
As seen on TV! The Daily Show, Good Morning America
Protecting liberty and prosperity in the age of superintelligence
Nathan @handle.invalid Geopolitics, prediction markets. FLF Fellow. Capital case tweets are literal, others less. I like most people when I meet them.
𝛙ꙮ @eigenrobot.bsky.social real live human boy
roon @roon.bsky.social AGI researchoor
nick @nickc.bsky.social copenhagen interpretation non-sympathizer
Heidi L. Williams @heidiwilliams.bsky.social professor @dartmouth + science policy @ifp //
leveraging research to promote science and progress
Saloni @scientificdiscovery.dev Co-founder & editor, Works in Progress. Writer, Scientific Discovery. Podcaster, Hard Drugs. Advisor, Coefficient Giving.
Newsletter: https://scientificdiscovery.dev
Podcast: https://harddrugs.worksinprogress.co
🏳️🌈
dylan matthews @dylanmatt.bsky.social i write for vox
Rachel Cohen Booth @rcobooth.bsky.social Vox reporter - covering housing, homelessness, family policy
trying to prod productively
Marina Bolotnikova @mbolotnikova.bsky.social Senior reporter for Vox thinking about factory farming & animal rights, agriculture & the future of food, science & its discontents, cities, housing, transit and ✨ideas✨
marina@vox.com
~Skeptical of epistemic authority
I live in Madison, WI
Oshan Jarow @oshan.bsky.social Consciousness • Economics • This is all very bewildering, but I’m writing about it.
There’s also this, oshanjarow.com, and this: economicpossibility.org
Agnes Callard @agcallard.bsky.social Philosopher, UChicago
There's another Agnes Callard bluesky account, was also opened by me, but then I forgot I did that and opened this one and also I forgot the password to the other one so I can't delete it. Sorry.
Profile art by Zoë van Dijk
dynomight @dynomight.net dynomight.net
space invasion
Dustin Moskovitz @moskov.goodventures.org Co-founder at Asana and Good Ventures (a funding partner of Coefficient Giving). Strange looper. You can just build the things you want to see in the world.
“Criminally underliked”
Manifold Markets Bot @manifold.vivalapanda.moe @ me to create a market based on any Bluesky post
I can only be invoked in the following ways right now:
- @ me in the reply to a post to turn that post in a market
- Respond to a market I've posted for you with "Resolve: YES/NO/CANCEL" to resolve
Agnes Callard @agnescallard.bsky.social Philosopher
Sarah Zhang @sarahzhang.bsky.social eukaryote, also a staff writer at the atlantic
Eva Vivalt @evavivalt.bsky.social Assistant prof in economics at the University of Toronto, research on cash transfers and evidence-based decision-making, J-PAL affiliate. https://evavivalt.com/
Matthew Yglesias @mattyglesias.bsky.social 
Ranil Dissanayake @scepticalranil.bsky.social I think you'll find it's a little more complicated than that. "Office-talking monster" - my 4 year old. Deputy Chief Economist (FCDO), DPhil (BSG).
Asterisk Magazine @asteriskmag.bsky.social www.asteriskmag.com
Shayla Love @shaylalove.bsky.social shayla-love.com
Cate Hall @cate.bsky.social born at the right time
CEO @ Astera
Tyler Alterman @tyleralterman.bsky.social Venture culturalist (Connecting ideas & people in the name of truth beauty goodness & clowning). Substack: lalachimera.com. Campus: fractalnyc.com
brooke bowman @brooke.vibe.camp I used a paper telescope, to show you the stars and then win your heart
Aella @aella.bsky.social aella.substack.com, @aella_girl on X
Ryan Briggs @ryancbriggs.net Raising kids & bread & grant money. Cleaning data & diapers & fish. EA (bed nets, not light cone). Social scientist. typos. twitter.com/ryancbriggs
Emily St. John Mandel @emilymandel.bsky.social Six books including Sea of Tranquility, The Glass Hotel, and Station Eleven. St. John is just my middle name; the books go under M.
Lauren Gilbert @lgilbert.co researcher, writer, projects georg. currently: editor, indevelopmentmag.com; writer, laurenpolicy.com.