Katie Mack @astrokatie.com Cosmologist, pilot, author, connoisseur of cosmic catastrophes. TEDFellow, CIFAR Azrieli Global Scholar. Domain verified through my personal astrokatie.com website. She/her. Dr.
Personal account; not speaking for employer or anyone else.
404 Media @404media.co it's a website (and a podcast, and a newsletter) about humans and technology, made by four journalists you might already know. like and subscribe: 404media.co
Justin Hendrix @justinhendrix.bsky.social Concerned with tech, media and democracy. CEO & Editor at Tech Policy Press. Research & Adjunct Professor at NYU Tandon School of Engineering. Opinions mine.
Joseph Cox @josephcox.bsky.social Hacking/crime/privacy journalist. Author of DARK WIRE, buy here: https://www.hachettebookgroup.com/titles/joseph-cox/dark-wire/9781541702691/#preorder Co-founder of 404 Media. Signal: joseph.404 Email: joseph@404media.co
Margaret Mitchell @mmitchell.bsky.social Researcher trying to shape AI towards positive outcomes. ML & Ethics +birds. Generally trying to do the right thing. TIME 100 | TED speaker | Senate testimony provider | Navigating public life as a recluse.
Former: Google, Microsoft; Current: Hugging Face
Brian Merchant @bcmerchant.bsky.social author of Blood in the Machine, tech writer, luddite
newsletter: https://www.bloodinthemachine.com/
books: https://www.hachettebookgroup.com/contributor/brian-merchant/
kofi link: https://ko-fi.com/brianmerchant
Kate Knibbs @knibbs.bsky.social Live in Chicago, write for Wired, got a great attitude
Send me tips: kate_knibbs@wired.com / Signal: kateknibbs.09
Tech Policy Press @techpolicypress.bsky.social Technology + democracy.
Visit https://techpolicy.press
Join our newsletter: https://techpolicy.press/newsletter
Opinions do not reflect the views of Tech Policy Press. Reposts do not equal endorsements.
Gary Marcus @garymarcus.bsky.social AI and cognitive science, Founder and CEO (Geometric Intelligence, acquired by Uber). 8 books including Guitar Zero, Rebooting AI and Taming Silicon Valley.
Newsletter (100k subscribers): garymarcus.substack.com
Billy Perrigo @billyperrigo.bsky.social Tech correspondent at Time magazine. https://billyperrigo.com/about-me/
Benj Edwards @benjedwards.com Tech reporter, tech historian. Bylines Fast Company / The Atlantic / Retronauts podcast. http://www.benjedwards.com Founder http://Vintagecomputing.com
James Vincent @jjvincent.bsky.social journalist and writer. author of BEYOND MEASURE, a history of measurement; a New Yorker, Economist, Times book of the year. former senior editor at The Verge. buy my book here: https://linktr.ee/BeyondMeasureBook. website: jamesvincent.info
Arvind Narayanan @randomwalker.bsky.social Princeton computer science prof. I write about the societal impact of AI, tech ethics, & social media platforms. https://www.cs.princeton.edu/~arvindn/
BOOK: AI Snake Oil. https://www.aisnakeoil.com/
karpathy @karpathy.bsky.social AI @ OpenAI, Tesla, Stanford
David Pfau @davidpfau.com So far I have not found the science, but the numbers keep on circling me.
Views my own, unfortunately.
Nathan Lambert @natolambert.bsky.social A LLN - large language Nathan - (RL, RLHF, society, robotics), athlete, yogi, chef
Writes http://interconnects.ai
Prev Ai2/Olmo, HuggingFace, Berkeley, and normal places
Dylan Hadfield-Menell @dhadfieldmenell.bsky.social Assistant Prof of AI & Decision-Making @MIT EECS
I run the Algorithmic Alignment Group (https://algorithmicalignment.csail.mit.edu/) in CSAIL.
I work on value (mis)alignment in AI systems.
https://people.csail.mit.edu/dhm/
Casey Newton @caseynewton.bsky.social Email salesman at Platformer.news and co-host at Hard Fork.
Sayash Kapoor @sayash.bsky.social CS PhD candidate at Princeton. I study the societal impact of AI.
Website: cs.princeton.edu/~sayashk
Book/Substack: aisnakeoil.com
Kevin Roose @kevinroose.com NYT tech columnist, Hard Fork co-host, best at 0.8x speed
Alondra Nelson @alondra.bsky.social Scholar, author, policy advisor
alondranelson.com
Science, Technology, and Social Values Lab
https://www.ias.edu/stsv-lab
Books: The Future of Science is Civic, Auditing AI, The Social Life of DNA, Genetics & the Unsettled Past, Body & Soul, Technicolor
Will Oremus @willoremus.com Covering online speech, the information economy and AI weirdness at @theatlantic.com. Shitposting about Bluesky on Bluesky.
Signal: willoremus.24
Kashmir Hill @kashhill.bsky.social Journalist, currently at The New York Times. I cover privacy, technology, A.I., and the strange times we live in. Named after the Led Zeppelin song. Author of YOUR FACE BELONGS TO US. (Yes, in my head it will always be All Your Face Are Belong To Us)
Matt Burgess (WIRED) @mattburgess1.bsky.social Security writer @wired.com
Cybercrime, privacy, surveillance, and more.
Signal: mattburgess.20 | Email: matt_burgess@wired.com
Will Knight @willknight.bsky.social Hi.
Signal = wak.01.
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…
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/
MAIKEONE[big] @maosbot.bsky.social Mother, wife, Australian, Professor of Machine Learning in Oxford. Long Covid, trans rights, music, reggae, AI must be good for humans, https://www.robots.ox.ac.uk/~mosb. She/her 🏳️⚧️🏳️🌈
Alex Hern @hern.bsky.social AI correspondent at the Economist. I write about it, that is. I’m still human. One of literally dozens of people online who is not American.
Vinay Hiremath @vinayh.com AI gov, sw eng, infra, transport 🔹
Research Scholar at the Centre for the Governance of AI (GovAI)
Davey Alba @davey.bsky.social Bloomberg tech reporter / Google, Big Tech, misinfo / https://daveyalba.com / ask for my Signal 
Hayden Field @haydenfield.bsky.social Senior AI reporter at The Verge.
6 years covering the AI industry's power dynamics, societal implications & the AI arms race. Previously: CNBC, Morning Brew, Protocol, etc.
DM me off the record on Signal: haydenfield.11
Sanjush Dalmia @sanjushdalmia.bsky.social Science and Technology Policy | Fellow @britishprogress.org | Member @mainstreamlabour.bsky.social | NHS Doctor and Medical Researcher
Prev: Science Policy Advisor to Labour, Science Policy Lead at UK Day One
Manchester / Leeds
issielapowsky.bsky.social @issielapowsky.bsky.social Journalist covering tech, politics, and national affairs. Formerly WIRED and Protocol. Work featured in The New York Times, Fast Company, Inc., The Atlantic, and more. www.issielapowsky.com
Signal: issielapowsky.08
Carl Franzen @carlfranzen.bsky.social late 30s, executive editor @venturebeat.com, fiction writer, AI strategist
Niall Firth @niallfirth.bsky.social Executive editor, newsroom. MIT Technology Review
Shira Ovide @shiraovide.bsky.social Writes about A.I. for the Washington Post. New Yorker. Bird watcher. Grumpy. https://www.washingtonpost.com/people/shira-ovide/
Elliot Jones @elliotmjones.bsky.social Research Scientist @ UK AI Security Institute
https://www.admonymous.co/elliot-jones
nitasha tiku @nitasha.bsky.social technology mother @ the washington post. baddie in the digital badlands. signal: nitasha.10 
Drew Harwell @drewharwell.com tech & society @washingtonpost.com
stories: https://drewharwell.com/
videos: tiktok.com/@drewharwell
+ instagram.com/drewharwell
Will Douglas Heaven @willdouglasheaven.bsky.social Senior AI Editor at MIT Technology Review / Signal: strawbilly.69
hailey schoelkopf @hails.computer 
Max Zeff @mzeff.bsky.social Writing - mostly about AI - for WIRED. I am maxwell, I am max, but I am not well. On signal at Mzeff.88
Gillian Hadfield @ghadfield.bsky.social Economist and legal scholar turned AI researcher focused on AI alignment and governance. Prof of government and policy and computer science at Johns Hopkins where I run the Normativity Lab. Recruiting CS postdocs and PhD students. gillianhadfield.org
Richard Hanania @hananiarichard.bsky.social Subscribe to the newsletter for the thoughtful stuff. www.richardhanania.com
@benthamsbulldog.bsky.social @benthamsbulldog.bsky.social 
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)
Meghan Barrett, PhD @beebytes.bsky.social Asst Prof of Bio @ IUPUI; Director of the Insect Welfare Research Society; Insect neuroscience, farmed insect welfare meghan-barrett.com
opinions mine & do not reflect views of IUPUI
Lewis Dartnell @lewisdartnell.bsky.social Prof., astrobiology researcher, science communicator & book author (http://beinghumanbook.org / http://originsbook.com / http://the-knowledge.org)
George McGowan @gjmcgowan.bsky.social 
@wdmacaskill.bsky.social @wdmacaskill.bsky.social 
Naina Bajekal @nainabajekal.bsky.social 
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
Max Alexander @absurdlymax.bsky.social I do philosophy and a little math, also Effective Altruism. Every day things can get a bit better
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
Michael Nielsen @michaelnielsen.bsky.social Searching for the numinous
Australian Canadian, currently living in the US
https://michaelnotebook.com
Ruxandra Teslo @ruxandrabio.bsky.social Biologist
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.
Hannah Ritchie @hannahritchie.bsky.social Deputy Editor, Our World in Data
Senior Researcher, University of Oxford
Climate, energy, environment, all things data.
Lauren Gilbert @lgilbert.co researcher, writer, projects georg. currently: editor, indevelopmentmag.com; writer, laurenpolicy.com.
Frances Lorenz @franceslorenz.bsky.social Claude says I process my emotions externally.
Arjun Panickssery @panickssery.bsky.social Effective Altruism | Spaced Repetition | Quoting Old Books | PELTIV Score of 190 (+6σ) | http://arjunpanickssery.substack.com
Inés @ines.bsky.social twitter import
Agus 🔎🔸 @agucova.bsky.social Accelerate AI safety.
🔗 agus.sh
Daniel Filan 🔎 @danielfilan.com I'm mostly on superstimul.us now (profile is @sloeb) (also Twitter)
Jonathan Birch @birchlse.bsky.social Professor, LSE. Philosophy of science, animal consciousness, animal ethics. Director of The Jeremy Coller Centre for Animal Sentience.
Alessandro @poli.sisti.ca Posts on public policy (in 🇨🇦 or abroad), humanities, classical music, altruism effective and ineffective. Many silly posts. Toronto-adjacent.
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
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
Jesse Smith @jessetayriver.bsky.social HVAC, catastrophic/x-risks, EA
Carl Robichaud @carlrobi.bsky.social Program Officer on nuclear policy at Longview Philanthropy (http://longview.org). Opinions are my own.
Michael Plant @michaeldplant.bsky.social Moral philosopher and happiness nerd. Founder and Director, Happier Lives Institute. Postdoctoral Fellow, Oxford Unviersity. All views yours, weirdly.
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
Tim Hua @timhua.bsky.social Helping people is good I guess
Trying to do AI interp and control
Used to do economics
timhua.me
Bella Forristal @bellaforristal.bsky.social I was so close to 1k Twitter followers but here we are ¯\_(ツ)_/¯
Effective altruism, veganism, various weakly-held takes on things | she/her | https://admonymous.co/bellaforristal
Fabio Kuhn 🔸 @mordaroso.bsky.social Director of Tech at Giving What We Can and Software Engineer at Giving Multiplier
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
Quinoah 🔍⏸️ @noahtopper.bsky.social yudkowsky's bulldog
Deena Mousa @deenamousa.com Global health & development at Open Philanthropy
https://newsletter.deenamousa.com/
Josh You @justjoshinyou.bsky.social researcher at Epoch AI. Views my own 🔸
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
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
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)
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
🏳️🌈
@jacobtref.bsky.social @jacobtref.bsky.social blog.jacobtrefethen.com
OpenAI Foundation
science!
Seb Krier @sebkrier.com friendly deep sea dweller
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
1Day Sooner @1daysooner.bsky.social 1Day Sooner leads campaigns in science, policy, and bioethics to stop the world’s most harmful infectious diseases. We advocate for volunteers who participate in high-impact medical studies, including human challenge studies. www.1daysooner.org 
Matt Reardon @mjreard.bsky.social Programs at LawAI. Frmly 80000 Hours.
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.
Vidur Kapur @vidurkapur.bsky.social Superforecaster at Good Judgment. Also forecasting at Swift Centre, Samotsvety, RAND and a hedge fund.
Grace @gracekind.net A latent space odyssey
gracekind.net
Richard Y Chappell🔸 @rychappell.bsky.social Philosophy prof. Posts better stuff at www.goodthoughts.blog
🔸10% Pledge #54 with @GivingWhatWeCan
Jacob Peacock @jacobpeacock.bsky.social Research Advisor at Stanford focused on improving animal welfare. Quantitative social scientist & ex-computational biologist. Open science and anti-speciesism. Views mine.
harry law @harrylaw.bsky.social Thinking about thinking machines | University of Cambridge and Leverhulme Centre for the Future of Intelligence | Previously Google DeepMind
Chris Webster 🔶 @handle.invalid 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 ✌️