Arthur Clune @arthur.clune.org Geek. Likes bikes, climbing and tech
Work: IT at University of Sheffield
Daniel Eth (yes, Eth is my actual last name) @daniel-eth.bsky.social AI alignment & memes | "known for his humorous and insightful tweets" - Bing/GPT-4 | prev: @FHIOxford
The Midas Project Watchtower @safetychanges.bsky.social We monitor AI safety policies and web content for substantive changes.
Anonymous submissions: https://forms.gle/3RP2xu2tr8beYs5c8
Run by
@TheMidasProject.bsky.social
Yannick Oscar @yannickoscar.bsky.social ml | 🇦🇹
Randall Munroe @xkcd.com 
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”
Simon Geisker @simon-geisker.bsky.social NYC based documentarian 🎬 | Brooklyn EMT 🚑
NYU film & environmental studies 🌎 2022
Interests: food systems 🍓 pandemic prep 💉😷🦠 AI capabilities 🤖 disease ecology 🦟 emergency medicine 🏥🩺 EA💡 democratic socialism 🌹
https://www.groundedthefilm.com/
Senator Scott Wiener @scottwiener.bsky.social 6’7” California State Senator representing San Francisco 🏳️🌈 ✡️
Policy nerd & chronic legislative overachiever 🤓
Running for Congress to protect our democracy 💙
Vote Nov. 3, 2026 🗳️
Get involved ⬇️
https://linktr.ee/scottwiener
Peter Singer @petersinger.info Author, Animal Liberation, Practical Ethics, The Life You Can Save, The Most Good You Can Do, Animal Liberation Now.
Podcast: petersinger.info/podcast
AI Persona: PeterSinger.ai
Professor of Bioethics, Emeritus, Princeton University.
ryan cooper @ryanlcooper.com Senior editor at The American Prospect, cohost and producer of the @leftanchor.bsky.social podcast https://www.patreon.com/leftanchor
Newsletter: https://www.ryanlcooper.com/
Zach Weinersmith @zachweinersmith.bsky.social New Book out this summer: Sawyer Lee and the Quest to Just Stay Home.
Other things of mine: Bea Wolf, A City on Mars, and SMBC
Website: www.smbc-comics.com
Patreon: https://www.patreon.com/ZachWeinersmith?ty=h
Deb Raji @rajiinio.bsky.social AI accountability, audits & eval. Keen on participation & practical outcomes. CS PhDing @UCBerkeley. 
David Manheim @davidmanheim.alter.org.il Humanity's future can be amazing - let's make sure it is.
Visiting lecturer at the Technion, founder https://alter.org.il, Superforecaster, Pardee RAND graduate.
oh beloved lion 🦁🔸 @tortle.bsky.social i'm trying to get back in touch with my feelings and talk about them more
🦣 tortle@schelling.pt
🐤 @ohwizenedtortle
Zach Freitas-Groff @zdgroff.bsky.social Senior Programme Associate @ longview.org. Research Affiliate @utaustin.bsky.social, PhD @ Stanford. Econ; AI; animals; film. Opinions are mine only. 🏳️🌈
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/
Alex Thiery @alexxthiery.bsky.social Associate Prof. in ML & Statistics at NUS 🇸🇬
MonteCarlo methods, probabilistic models, Inverse Problems, Optimization
https://alexxthiery.github.io/
brian @briancloutier.com what is the ideal future and how do we get there?
Matt🔸 @spacedoutmatt.bsky.social YIMBY, rabbit lover, and probably the most chaotic engineer you’ve met
🐈Rex Parker🐈⬛ ✏️ 🧐 @rexparker.bsky.social Correct crossword opinions / aka Michael Sharp / Teaching lit stuff at Binghamton University / 2025 ACPT Pairs champion (w/ Penelope Harper) / https://letterboxd.com/realrexparker
✶ ✶ ✶ ✶ @chiurbanist.bsky.social https://venmo.com/u/chi_urbanist
Ethan Mollick @emollick.bsky.social Professor at Wharton, studying AI and its implications for education, entrepreneurship, and work. Author of Co-Intelligence.
Book: https://a.co/d/bC2kSj1
Substack: https://www.oneusefulthing.org/
Web: https://mgmt.wharton.upenn.edu/profile/emollick
Simon Willison @simonwillison.net Independent AI researcher, creator of datasette.io and llm.datasette.io, building open source tools for data journalism, writing about a lot of stuff at https://simonwillison.net/
@oljo.bsky.social @oljo.bsky.social 
Carnegie Endowment @carnegieendowment.org The Global Think Tank.
carnegieendowment.org
Jason Crawford @jasoncrawford.org The Roots of Progress (rootsofprogress.org)
Zelensky Stan 👊 🧊 @trentevans.bsky.social Big fan of the Constitution. Any day is a beautiful day to fight Nazis.
“Patriotism is supporting your country all the time, and your government when it deserves it.”
-Mark Twain
(They don’t for now btw)
Darius Suplica @dsuplica.bsky.social Cognitive neuroscientist interested in attention & memory | MD-PhD student @ Yale, formerly UChicago
Trevor Levin @trevorlevin.bsky.social Trying to help the world navigate potentially transformative technologies, currently via AI Governance and Policy at Coefficient Giving. Enjoyer of acoustic guitars, history books, and plant-based foods.
Chris Webster 🔶 @christopher-webster.com I do infosec and IT work for Open Phil.
Trying to get better at lifting weights, making cocktails, and Magic: The Gathering.
Blog at christopher-webster.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
Seb Krier @sebk.bsky.social friendly deep sea dweller
Stefan Schubert @stefanschubert.bsky.social I run The Update newsletter: www.update.news
Book: academic.oup.com/book/56384
Alyssa Vance @alyssavance.bsky.social Senior Data Scientist, Blue Rose Research. Futurist, neophile, machine explorer. alyssamvance@gmail.com
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
Martin Gould @martinvgould.bsky.social Working on farm animal welfare research and grants at Open Philanthropy🐔📈 Views my own. Interested in economics, policy and bouldering
Miles Brundage @milesbrundage.bsky.social AI policy researcher, wife guy, fan of cute animals and sci-fi, executive director of AVERI, Substacker
Basil Halperin @basilhalperin.com Assistant professor of economics @ UVA
basilhalperin.com
Stuart Ritchie @stuartjritchie.bsky.social 
Tom Chivers @tomchivers.bsky.social "Far too nice to be a journalist," per Terry Pratchett. Lead writer on Semafor's Flagship newsletter. DMs open; chiversthomas(a)gmail.
Latest book, Everything is Predictable: geni.us/EIPBook
Podcast, The Studies Show: https://www.thestudiesshowpod.com
Alec Stapp @alecstapp.bsky.social Co-founder IFP
Rob Reich @robreich.bsky.social Professor, Stanford University
Just Giving: Why Philanthropy is Failing Democracy
System Error: Where Big Tech Went Wrong
Marcus A. Davis @amarcusdavis.bsky.social CEO of Rethink Priorities
Charity for All: amarcusdavis.substack.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.
Alexander Berger @albrgr.bsky.social CEO of Coefficient Giving
@neelnanda.bsky.social @neelnanda.bsky.social 
Anders Sandberg @arenamontanus.bsky.social Academic jack-of-all-trades. 
Richard Y Chappell🔸 @rychappell.bsky.social Philosophy prof. Posts better stuff at www.goodthoughts.blog
🔸10% Pledge #54 with @GivingWhatWeCan
@benthamsbulldog.bsky.social @benthamsbulldog.bsky.social 
Mark Josephson @markjosephson.bsky.social Coach & Entrepreneur.
Former CEO of Bitly
Bruce is my only boss.
https://mbj.im/m/e
Data Science Institute @dsi-uchicago.bsky.social A field-defining intellectual hub for data science and AI research, education, and outreach at the University of Chicago
https://datascience.uchicago.edu
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.
NBER @nber.org The National Bureau of Economic Research is dedicated to conducting and disseminating nonpartisan economic research.
nber.org
dylan matthews @dylanmatt.bsky.social i write for vox
Dr. Faraz Harsini @dr-faraz-harsini.bsky.social Science Communicator
Biomedical Scientist | Biophysicist
Chemical & Bioprocessing Engineer
CEO of Allied Scholars (ASAP),
Journalism | science | public health
Matthew Yglesias @mattyglesias.bsky.social 
Andy Matuschak @andymatuschak.org More wonder, more insight, more expression, more joy!
Currently exploring tools that augment human memory and attention.
https://andymatuschak.org
Twitter: andy_matuschak
Mastodon: @andy@andymatuschak.org
Andy Masley @andymasley.bsky.social When the going gets weird the weird turn pro.
Researching and writing about AI and other topics from a broadly effective altruist perspective. On a grant from Coefficient Giving.
andymasley.com
Alex Bores @alexbores.nyc NY Assemblymember, computer scientist, dad, husband. Feared by the powerful, fighting for NY. Running for Congress in NY-12 because the old ways aren't working.
Data Colada @datacolada.bsky.social Announcing posts for our blog.
This account is seldom monitored.
Nate Cardin (he/him) @naytnaytnayt.bsky.social Chemistry teacher. PhD. Crossword constructor. Co-editor at AVCX Cryptics. Relentless homosexual. 🏳️🌈 Winner! (Wheel of Fortune + The 1% Club) Loser! (Trogdor burninated my village 🏡🔥🐉)
Jon Bois @jonbois.bsky.social jon
https://www.patreon.com/c/SecretBase
https://www.youtube.com/SecretBaseSBN
@dwarkesh.bsky.social @dwarkesh.bsky.social 
Saloni @scientificdiscovery.dev Co-founder & editor, Works in Progress. Writer, Scientific Discovery. Podcaster, Hard Drugs. Advisor, Coefficient Giving. // Previously at Our World in Data.
Newsletter: https://scientificdiscovery.dev
Podcast: https://harddrugs.worksinprogress.co
🏳️🌈
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