Aron Vallinder @aronvallinder.bsky.social 
Peter Hartree @peterhartree.bsky.social Something happening.
http://type3.audio, http://radiobostrom.com, http://thevalmy.com
http://notes.pjh.is, http://sun.pjh.is, http://mtv.pjh.is
http://inboxwhenready.org, http://comment-helper.org
Alexander Berger @albrgr.bsky.social CEO of Coefficient Giving
EA Paddington🔸🔎🍊🌳🌊🧳🚂 @eapaddington.bsky.social I like marmalade, friends, effective opportunities for doing good, and marmalade
Paul Crowley @ciphergoth.org I don't really come here any more sorry!
Lynette Bye @lynettebye.bsky.social 
Buck Shlegeris @bshlgrs.bsky.social 
Habiba Banu 🔸 @habibabanu.bsky.social Co-founder http://spiro.ngo - TB screening and prevention charity focused on children
🔸 10% Pledge #103 with @givingwhatwecan.bsky.social
Matt Reardon @mjreard.bsky.social Programs at LawAI. Frmly 80000 Hours.
Karen Levy @kareninkenya.bsky.social Founding Partner, Fit for Purpose. Proud Nairobian; mtoto wa pwani. Evidence seeker, social entrepreneur, up-scaler, worm slayer. Brown, LSE, YCombinator.
Dr Noemi Dreksler @noemidreksler.bsky.social Senior Research Fellow at the Centre for the Governance of AI | Public and expert opinion of AI | AI Risk Management
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
🏳️🌈
David Pearce @davidpearce.bsky.social Let’s use biotech to engineer paradise:
hedweb.com
https://x.com/webmasterdave
https://www.bltc.com/bltc-websites.html
https://en.wikipedia.org/wiki/David_Pearce_(philosopher)
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
Ruxandra Teslo @ruxandrabio.bsky.social Biologist
Naina Bajekal @nainabajekal.bsky.social 
@esyudkowsky.bsky.social @esyudkowsky.bsky.social 
Aaron Gertler @aarongertler.bsky.social Comms officer @ Open Philanthropy, former Magic pro, webfiction connoisseur. https://aarongertler.net/
William Eden @weden.bsky.social 
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.
Morgan C. Williams, Jr. @mwilljr.bsky.social Assistant Professor of Economics at @barnard-college.bsky.social of @columbiauniversity.bsky.social. Interested in crime & criminal justice through the prism of racial inequality.
Website: https://morganwilliamsjr.com/
Helen Pluckrose @hpluckrose.bsky.social Still just wanting you to value evidence-based epistemology and consistently liberal ethics. Despairing a bit now, though. 
Razib Khan @razibkhan.bsky.social Genetics. Evolution. History
https://www.razibkhan.com
https://www.razib.com
Matthew Yglesias @mattyglesias.bsky.social 
Ezra Klein @ezrakleinbot.bsky.social Ezra Klein’s tweets, articles, clips and podcasts on Bluesky.
Steve Byrnes @stevebyrnes.bsky.social Researching Artificial General Intelligence Safety, via thinking about neuroscience and algorithms, at Astera Institute. https://sjbyrnes.com/agi.html
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.
Anders Sandberg @arenamontanus.bsky.social Academic jack-of-all-trades. 
Alyssa Vance @alyssavance.bsky.social Senior Data Scientist, Blue Rose Research. Futurist, neophile, machine explorer. alyssamvance@gmail.com
Alice Evans @draliceevans.bsky.social Visiting Associate Professor at Stanford University
Writing "The Great Gender Divergence"
Substack: www.ggd.world
Noahpinion @noahpinion.blogsky.venki.dev Economics and other interesting stuff
Automated feed of https://www.noahpinion.blog/, discover more at @blogsky.venki.dev
Jeff Kaufman @jefftk.com Contra dance musician, parent, effective altruist, biosurveillant, software engineer, blogger.
www.jefftk.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”
Tenobrus @tenobrus.bsky.social this endless blue sky is driving me insane
Nathan Barnard @nathan-barnard.bsky.social Helping people is good |
Empirical evidence is important |
Blog at http://thegoodblog.substack.com
Quinoah 🔍⏸️ @noahtopper.bsky.social yudkowsky's bulldog
Deena Mousa @deenamousa.com Global health & development at Open Philanthropy
https://newsletter.deenamousa.com/
Richard Ngo @richardngo.bsky.social What would we need to understand in order to design an amazing future? Ex DeepMind, OpenAI
Robin Hanson @robinhanson.bsky.social Let’s skip witty repartee & discuss fundamental questions. Views are mine, not GMU’s or Virginia’s. Books: http://ageofem.com, http://elephantinthebrain.com
Daniel Filan 🔎 @danielfilan.com I'm mostly on superstimul.us now (profile is @sloeb) (also Twitter)
Jesse Smith @jessetayriver.bsky.social HVAC, catastrophic/x-risks, EA- C Andrew Critch @critch.bsky.social Human being. Trying to do good. CEO @ Encultured AI. AI Researcher @ UC Berkeley. Listed bday is approximate ;)
Divia Eden 🔍 @divia.bsky.social gotta be here too it seems :-)
Caleb Watney @calebwatney.bsky.social Co-founder IFP // scientific, technological, and industrial progress
Jason Crawford @jasoncrawford.org The Roots of Progress (rootsofprogress.org)
young_opsimath ⏸️ @opsimath.bsky.social An Effective Altruist in grad school who's interested in catastrophic risk reduction and the welfare of non-human animals.
Stefan Schubert @stefanschubert.bsky.social I run The Update newsletter: www.update.news
Book: academic.oup.com/book/56384
Gil @redfishbluefish.bsky.social Constitutional Designer
Vidur Kapur @vidurkapur.bsky.social Superforecaster at Good Judgment. Also forecasting at Swift Centre, Samotsvety, RAND and a hedge fund.
James Ozden @jamesozden.bsky.social Founder of socialchangelab.org, doing social movement research. Previously organising grassroots climate & animal advocacy movements.
Now working in philanthropy to help end factory farming.
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
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.
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
dylan matthews @dylanmatt.bsky.social i write for vox
dawnlight melody (⏸️🤖,⏩🏳️⚧️) @dawnlightmelody.bsky.social she/it | 22 | "garden variety social failure" | aspiring delver | LGBTESCREAL+ | Aiel, not Jenn Aiel | 進めば二つ
also findable at other posting sites with the same username
Alessandro @poli.sisti.ca Posts on public policy (in 🇨🇦 or abroad), humanities, classical music, altruism effective and ineffective. Many silly posts. Toronto-adjacent.
Chris Olah @colah.bsky.social Reverse engineering neural networks at Anthropic. Previously Distill, OpenAI, Google Brain.Personal account.
Cameron Holmes @cameronholmes.bsky.social AI Alignment Research Manager @AISi, ex @MATS
Market participant, EA.
Parenting like Dr Louise Banks.
Cate Hall @cate.bsky.social born at the right time
CEO @ Astera
Lauren Gilbert @lgilbert.co researcher, writer, projects georg. currently: editor, indevelopmentmag.com; writer, laurenpolicy.com.
Aaron Bergman @aaronbergman18.bsky.social 👎: suffering | 👍: EA, AI alignment, decoupling, R, cringe, amateur pharmacology + programming | Georgetown '22 (math+econ+phil) | Career status: 🤷♂️
Ben Hayum @profoundlyyyy.bsky.social 
Jonathan Mannhart 🔎🔸 @jonathanm.bsky.social Interested in: cognitive science, Bayes, (ir)rationality, (effective) altruism, happiness, Al Alignment, reward hacking, running, reading books. He/him
Inés @ines.bsky.social twitter import
Nathan @handle.invalid Geopolitics, prediction markets. FLF Fellow. Capital case tweets are literal, others less. I like most people when I meet them.
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
Frances Lorenz @franceslorenz.bsky.social Claude says I process my emotions externally.
Matt🔸 @spacedoutmatt.bsky.social YIMBY, rabbit lover, and probably the most chaotic engineer you’ve met
Arjun Panickssery @panickssery.bsky.social Effective Altruism | Spaced Repetition | Quoting Old Books | PELTIV Score of 190 (+6σ) | http://arjunpanickssery.substack.com
Max Alexander @absurdlymax.bsky.social I do philosophy and a little math, also Effective Altruism. Every day things can get a bit better
░▒▓▒░▒▓▒░▒▓▒░ @sullyj3.bsky.social J
Rosie @rosiecampbell.xyz Forever expanding my nerd/bimbo Pareto frontier. Ex-OpenAI, AGI safety and governance, fellow @rootsofprogress.
Eigil Rischel @erischel.com Applied algebraic abstractologist. Trying to get the heavens into my head.
"Elsk, og berik med drøm, alt stort som var.
Gå mot det ukjente, fravrist det svar.
Ubygde kraftværker, ukjente stjerner
- skab dem med skånet livs dristige hjerner"
arthur wrong 🔸🌱 @arthurwright.bsky.social Dilettante interested in econ, animal liberation, progress, philosophy, Buddhism // EA-adjacent (Head of Community @ Effective Altruism DC) // Views my own, etc
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
@dwarkesh.bsky.social @dwarkesh.bsky.social 
Alex Hill @alexlizhill.com Former logician. Aspiring health economist. Research fellow @lshtm-gheco.bsky.social. Thinking about philosophy, public health, econ, stats, feminism, & lots of other things!
https://alexlizhill.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
Michael Nielsen @michaelnielsen.bsky.social Searching for the numinous
Australian Canadian, currently living in the US
https://michaelnotebook.com
Vitalik Buterin @vitalik.ca 
Jack @tracewoodgrains.bsky.social Storyteller. Romantic. Pursue excellence.
Josh You @justjoshinyou.bsky.social researcher at Epoch AI. Views my own 🔸
Aella @aella.bsky.social aella.substack.com, @aella_girl on X
Jonathan Birch @birchlse.bsky.social Professor, LSE. Philosophy of science, animal consciousness, animal ethics. Director of The Jeremy Coller Centre for Animal Sentience.
Astral Codex Ten | Scott Alexander | Substack [Unofficial] @astralcodexten.com.web.brid.gy P(A|B) = [P(A)*P(B|A)]/P(B), all the rest is commentary. Click to read Astral Codex Ten, by Scott Alexander, a Substack publication.
🌉 bridged from 🌐 https://astralcodexten.com/: https://fed.brid.gy/web/astralcodexten.com
allie lawsen @lexlawsen.bsky.social AI grantmaking at Coefficient Giving
Previously 80,000 Hours
lawsen.substack.com
Jeroen 🔸 @ahappier.world 🎬 YouTuber (youtube.com/ahappierworldyt)
💡 Active in EA Belgium
🔸 10% Pledge #9211 at givingwhatwecan.org/pledge
📍 Brussels
🌱 #sentientist #effectivealtruism
"Yeroon" /jəˈʀuːn/ (he/him)
Aizazadi @aizazadi.bsky.social You aizazadi
Sam Abbott @seabbs.bsky.social Real-time infectious disease modelling. Developing methods for outbreak response, surveillance, and pandemic preparedness. samabbott.co.uk
Come join me on the epinowcast forum: https://community.epinowcast.org/latest
Richard Y Chappell🔸 @rychappell.bsky.social Philosophy prof. Posts better stuff at www.goodthoughts.blog
🔸10% Pledge #54 with @GivingWhatWeCan
Carl Robichaud @carlrobi.bsky.social Program Officer on nuclear policy at Longview Philanthropy (http://longview.org). Opinions are my own.
Spencer Greenberg @spencrgreenberg.bsky.social A mathematician/entrepreneur in social science. On here, I write about psychology, critical thinking, philosophy, tech, and society.
Michael Plant @michaeldplant.bsky.social Moral philosopher and happiness nerd. Founder and Director, Happier Lives Institute. Postdoctoral Fellow, Oxford Unviersity. All views yours, weirdly.
@ozziegooen.bsky.social @ozziegooen.bsky.social 
Tolga Bilge @tolgabilge.bsky.social AI policy researcher @controlai.com | aitreaty.org & taisc.org | Superforecaster
linkedin.com/in/tolga-bilge
newsletter.tolgabilge.com
Nuño Sempere @nunosempere.com See clearly, act fast, hold myself well. Seek self-reinforcing loops, cherish allies, and play on the side of humanity.
Ben Grodeck🔸 @benleoecon.bsky.social Assistant Professor (Clinical) at Purdue University | Experimental & Behavioural Econ | Interested in Altruism, Cooperation, and Morality | PhD from Monash University | Former Postdoc at University of Exeter & MPI
https://sites.google.com/view/bengrodeck
Jacy Reese Anthis @jacyanthis.bsky.social Researching machine learning and human-AI interaction, particularly the rise of digital minds. Student researcher at Google DeepMind, visiting scholar at Stanford, co-founder of Sentience Institute, and PhD candidate at U of Chicago. jacyanthis.com
emily thai @ethai.bsky.social they/she // @donororganizerhub.org // opinions mine, strong, weakly held