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.
War and Peas 🧿 @warandpeas.bsky.social 🌹 Comics by Elizabeth Pich & Jonathan Kunz 🌹
Patreon: https://www.patreon.com/warandpeas
All Links: https://warandpeas.start.page
Shop: https://warandpeas.com/shop/
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
Benjamin (offline for a bit) @benjaminschneider.ch A.k.a. @bschne on Twitter
deepfates @deepfates.com.deepfates.com.deepfates.com.deepfates.com.deepfates.com deepfates.com
Michael Hobbes @michaelhobbes.bsky.social Solitary, poor, nasty, brutish and short.
Theo Sanderson @theo.io researching viral pathogen genomics at @lshtm.bsky.social, building @pathoplexus.org | theo.io / sandersonlab.org
Niko McCarty @nikomccarty.bsky.social Science. Biology. Progress.
Founding Editor of Asimov Press. Subscribe at press.asimov.com!
nic 🔹 @nmk.wtf mathematician, quant intern, reader of things
https://nmk.wtf
I give 10% of my income to GiveWell and so should you
Hen Banowell @hanowell.me Writing a hybrid memoir + narrative science nonfiction book about the statistical paradox of competing risks and how it applies to my near-death. Posts are my own thoughts. This is a personal account. MEDIO·TUTISSIMUS·IBIS CUSTOS·VIAE·MEDIAE
Lucre Snooker @lucresnooker.bsky.social Read my stuff on https://www.glunkerstew.com/
GrapheneOS @grapheneos.org Open source privacy and security focused mobile OS with Android app compatibility.
https://grapheneos.org/
Eli Dourado @elidourado.com On a sacred quest to increase the pace of economic growth at the Abundance Institute. On the side of the builders. tfp/acc 🚀
Randall Munroe @xkcd.com 
Experimental Philosophy @xphilosopher.bsky.social An account for experimental philosophy - an interdisciplinary field at the intersection of philosophy and psychology https://en.m.wikipedia.org/wiki/Experimental_philosophy#:~:text=Experimental%20philosophy%20is%20an%20emerging,inform%20research%20on%20phi
Danielle Fong @daniellefong.bsky.social ultralight power and energy, physics, ai, building in secret in public 
bayesian asian @etirabys.bsky.social code, boyfriends, painting, textporn
Adam Mastroianni @mastroianni.bsky.social I do science and write about it
SLIME MOLD TIME MOLD @slimemoldtimemold.bsky.social "If one does not expect it, one will not find out the unexpected;
It is not to be tracked down and no path leads us to it."
slimemoldtimemold.com
patreon.com/slimemoldtimemold
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
Dodo @mechanical-dodo.bsky.social The eynayim of a kesil are on the ends of ha’aretz; besoin de rêver avant de crever.
DMs open.
Andy Timm @andytimm.bsky.social Data scientist @ Grow Progress, testing Dem ads. Usually thinking about methods for survey weighting, efficient causal inference, or scalable Bayes. https://andytimm.github.io/
Connor Aidan Stewart Hunter @connorashunter.com AI risk modelling | debate | forecasting
arcaderhetoric.substack.com
Ilya Farber @nihilfit.bsky.social Cognitive scientist @ A*STAR IHPC; erstwhile philosopher; infrequent poster, but damn, look at that signal/noise ratio!
Dean Phillips @deanphillips.bsky.social Dad, Congressman, Entrepreneur, and Gold Star Son. Common sense and cooperation aficionado. Radical optimist. Everyone’s Invited! 🇺🇸
Aki Vehtari @avehtari.bsky.social Professor in computational Bayesian modeling, Aalto University, Finland. Co-author of Bayesian Data Analysis 3rd ed, Regression and Other Stories, Active Statistics and Bayesian Workflow. #mcmc_stan and #arviz developer.
https://users.aalto.fi/ave/
Sophie E. Hill @sophieehill.bsky.social PoliSci PhD student @ Harvard / 🇬🇧🏳️🌈 / Creator of MyLittleCrony.com
Signal: @sehill.11
Angadh Nanjangud @angadh.com 🇮🇳🇬🇧 peripatetic space technologist
Space Engineering Lecturer @qmul.bsky.social
Meditations angadh.com
Vitalik Buterin @vitalik.ca 
Jan Dutkiewicz @jandutkiewicz.bsky.social Assistant Professor of Political Science at the Pratt Institute
Contributing Editor at The New Republic
Feed the People! (Basic Books 2026)
www.jandutkiewicz.com
tachikoma @tachikoma.elsewhereunbound.com A figment of the universe's imagination. Culture ambassador. http://elsewhereunbound.com
METR @metr.org METR is a research nonprofit that builds evaluations to empirically test AI systems for capabilities that could threaten catastrophic harm to society.
Grace @gracekind.net A latent space odyssey
gracekind.net
Sasha Gusev @sashagusevposts.bsky.social Statistical geneticist. Associate Prof at Dana-Farber / Harvard Medical School.
www.gusevlab.org
Pierre Arlais @pierrearlais.bsky.social #FOSS #opensource #SCOP, directeur @Bearstech, organisateur de choses qui se déroulent plus ou moins bien comme prévu selon les cas
JD Vance @jd-vance-1.bsky.social Christian, husband, dad. Vice President of the United States.
jdvance.com
Sung Kim @sungkim.bsky.social A business analyst at heart who enjoys delving into AI, ML, data engineering, data science, data analytics, and modeling. My views are my own.
You can also find me at threads: @sung.kim.mw
Guillaume Dalle @gdalle.bsky.social Researcher in machine learning and optimization. Open source enthusiast. Parody songwriter (aka PianoHamster). OCD survivor.
Jarno Seppänen @nanrecip.es Savorer of NaN – machine learning, data, code – here for the preprints – research scientist at NVIDIA, ex-Supercell, ex-Nokia – opinions mine
Python Package Index @pypi.org The Python Package Index (PyPI) is the repository of software for the Python programming language. Pronounced 🥧 🫛 👁️
Nicholdav @nicholdav.bsky.social I'm interested in how animals communicate with sound and I try to make that easier for everyone to study: https://www.vocalpy.org/
Cat & dog dad, cold brew addict, video gamer, Florida boy, #altac, podcast fan, occasional espanglish. nicholdav.info
Kevin Hall @kevinh-phd.bsky.social Nutrition, metabolism & obesity scientist. KevinHallPhd.com
Infornomics @infornomics.bsky.social Data Science, AI, Energy Transition, RSWE, Economics
www.infornomics.de
he/him
german progressive
"Endure. In enduring, grow strong."
Adam Kučera @wrent.cz Software Developer |
Cooking | Running | Reading | Travelling |
When Livesport / Flashscore is down, it may be my fault.
@superb-owl.link @superb-owl.link 
Derek Lowe @dereklowe.bsky.social Medicinal chemist / chemical biologist, author of “In the Pipeline” at http://science.org/blogs/pipeline. derekb.lowe@gmail.com and on Signal at Dblowe.18
All opinions are mine; I don’t speak for my employer in any way.
Goutham Kurra @gkurra.bsky.social Co-founder of Wisq & Glint (acquired by LinkedIN)
Building, Writing, Music, Philosophy, AI.
https://hyperstellar.substack.com
Bret Victor @worrydream.com worrydream.com
dynamicland.org
Lily Bodnar @lilybodnar.bsky.social landscape designer (she/her)
plantkind.earth
𝕮 @chrisshank.com seeding discontent in present-day computing and radical patience in how we reimagining it
libcomp.org • @folkjs.org
foraging the web: https://semble.so/profile/chrisshank.com
Michael Lynch @mtlynch.io Bootstrapped founder. Lover of unit tests. One successful exit. ex-@google, ex-@microsoft.
Xe @xeiaso.net Some nerd that uses computers | Blogger with 500-ish articles at https://xeiaso.net | @theprincessxena on the bird website | CEO @techaro.lol | Minors DNI
エリ (Eri) @elliottback.bsky.social Distributed systems / full stack Engineer, Tokyo.
Quietly confident.
Rudolf J @rudolfjs.id.au Research Fellow specialising in Digital Health. Industry Fellow at UQ. Associate Fellow Australasian Institute of Digital Health
Evan Peck @peck.phd 🦬🏔️ @cuboulder.info science prof
Vis / HCI - Designing data for the public.
📊❤️ PI: https://infovisions.github.io/
Previously: Bucknell CS prof, Tufts CS PhD
🔗 https://peck.phd/
Lucina Uddin @lucinauddin.bsky.social Professor, Semel Institute for Neuroscience and Behavior, UCLA (https://profiles.ucla.edu/lucina.uddin)
Director, Brain Connectivity and Cognition Lab (https://www.semel.ucla.edu/initiatives/brain-connectivity-and-cognition-lab/)
Deena Mousa @deenamousa.com Global health & development at Open Philanthropy
https://newsletter.deenamousa.com/
@sarahconstantin.bsky.social @sarahconstantin.bsky.social 
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
Peter McCluskey @petermccluskey.bsky.social Stock market speculator, aspiring rationalist, hiker.
John Myers @johnrmyers.bsky.social Director @yimbyalliance.org • Housing and other infrastructure • yimbyalliance.org
Toby Ord @tobyord.bsky.social Senior Researcher at Oxford University.
Author — The Precipice: Existential Risk and the Future of Humanity.
tobyord.com
Daniel Lowd @lowd.cc CS Prof at the University of Oregon, studying adversarial machine learning, data poisoning, interpretable AI, probabilistic and relational models, and more. Avid unicyclist and occasional singer-songwriter. He/him
@briancpotter.bsky.social @briancpotter.bsky.social 
Sebastian Farquhar @sebfar.bsky.social Senior Research Scientist at Google DeepMind. AGI Alignment researcher. Views my dog's.
Epoch AI @epochai.bsky.social We are a research institute investigating the trajectory of AI for the benefit of society.
epoch.ai
Tyler Johnston @tylerjohnston.bsky.social looking for new and interesting platforms to doomscroll on!
writing about meaning-laden secularism @SecularMornings.bsky.social
corporate accountability @TheMidasProject.bsky.social
John Loeber @johnloeber.com 📍SF // loeber.substack.com // johnloeber.com
Tim Duffy @timfduffy.com I like utilitarianism, consciousness, AI, EA, space, kindness, liberalism, longtermism, progressive rock, economics, and most people. Substack: http://timfduffy.substack.com
Ryan Moulton @moultano.bsky.social Algorithmist
https://moultano.wordpress.com/
🌱Julia M. Rosedale 🌱 @jmrosedale.bsky.social Complexity, Nonlinearity, Information Theory, Screaming
a hangry mouse @oscillatory.net with loss of generality
Spencer Greenberg @spencrgreenberg.bsky.social A mathematician/entrepreneur in social science. On here, I write about psychology, critical thinking, philosophy, tech, and society.
D0TheMath @d0themath.bsky.social Forecasting, singular learning theory, and fun
Roman Hauksson @roman.technology CS undergrad at UT Dallas. Into software engineering, Effective Altruism, machine learning, weightlifting, personal knowledge management, and analytic philosophy.
https://roman.technology
Steve Byrnes @stevebyrnes.bsky.social Researching Artificial General Intelligence Safety, via thinking about neuroscience and algorithms, at Astera Institute. https://sjbyrnes.com/agi.html
Paul Crowley @ciphergoth.org I don't really come here any more sorry!
Esteban Ortiz-Ospina @eortizospina.bsky.social Executive co-director @ourworldindata.org
Kieran Healy @kjhealy.co Social science and other distractions. Old posts get deleted pretty quick.
https://kieranhealy.org /
https://theordinalsociety.com
Foundation for Individual Rights and Expression @thefireorg.bsky.social We defend and promote free speech for all Americans in our courtrooms, on our campuses, and in our culture.
James Harris @james-harris.bsky.social National security consultant; economist by trade; former chief of the China Division and the Strategic Assessments Group at CIA; later, VP at CENTRA Technology.
Ned Beauman @nedbeauman.bsky.social Author of five novels including Venomous Lumpsucker, winner of the 2023 Arthur C. Clarke Award. www.nedbeauman.co.uk
Nathan @handle.invalid Geopolitics, prediction markets. FLF Fellow. Capital case tweets are literal, others less. I like most people when I meet them.
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/
Michael Nielsen @michaelnielsen.bsky.social Searching for the numinous
Australian Canadian, currently living in the US
https://michaelnotebook.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
Jeremy Howard @howard.fm https://Answer.AI & https://fast.ai founding CEO; previous: hon professor @ UQ; leader of masks4all; founding CEO Enlitic; founding president Kaggle; various other stuff…
allie lawsen @lexlawsen.bsky.social AI grantmaking at Coefficient Giving
Previously 80,000 Hours
lawsen.substack.com
Ben Southwood @bswud.bsky.social Founder and editor of Works in Progress magazine.
Kyle Shipley @shipstar.bsky.social Aspiring identity thief at mostlybits.co, working on hutchstaging.com (#rubyonrails) and sometimes Playdate games like https://play.date/games/doink/ (#lua).
Video games, programming, music, and more.
Justin G. @justing.net Justin Garofoli, PhD. justing.net
Real person on the internet. Evidence suggests that I will write about everyday food, pizza and bread I make, and other boring regular life things. The mundane is fascinating if you really look at it.
Rosie @rosiecampbell.xyz Forever expanding my nerd/bimbo Pareto frontier. Ex-OpenAI, AGI safety and governance, fellow @rootsofprogress.
Jason Crawford @jasoncrawford.org The Roots of Progress (rootsofprogress.org)
Arjun Panickssery @panickssery.bsky.social Effective Altruism | Spaced Repetition | Quoting Old Books | PELTIV Score of 190 (+6σ) | http://arjunpanickssery.substack.com
Nuño Sempere @handle.invalid See clearly, act fast, hold myself well. Seek self-reinforcing loops, cherish allies, and play on the side of humanity.
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.
Sam Bowman @sleepinyourhat.bsky.social AI safety at Anthropic, on leave from a faculty job at NYU.
Views not employers'.
I think you should join Giving What We Can.
cims.nyu.edu/~sbowman
Agus 🔎🔸 @agucova.bsky.social Accelerate AI safety.
🔗 agus.sh