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
Daniel Adams @danieladams.bsky.social Lawyer, A2 Planning Commissioner, Notorious Density Whisperer. Views expressed are my own.
Will Stancil @whstancil.bsky.social Minnesota guy.
"This particular activist will not stop." Sen. Chris Murphy
Pip Foweraker 🔶️ @pipfoweraker.bsky.social Every hour an Global Catastrophic Risks researcher spends on bureaucracy or operations is a tragedy. Let me and beacongcr.org help.
Building pdoom1.com
Founding certesinstitute.org
All opinions presented here are, by extension, expressions of my employers
AI Frontiers @aifrontiers.bsky.social Driving AI discourse. Subscribe to our newsletter at www.ai-frontiers.org/newsletter
More Neighbors Ann Arbor @moreneighborsa2.org We stand for secure, abundant homes for everyone in Ann Arbor.
Hank Green @hankgreen.bsky.social Long Time Internet Guy
Deena Mousa @deenamousa.com Global health & development at Open Philanthropy
https://newsletter.deenamousa.com/
Billy Perrigo @billyperrigo.bsky.social Tech correspondent at Time magazine. https://billyperrigo.com/about-me/
Ro Khanna @rokhanna.bsky.social Team America. Economic Patriotism: America's Next New Deal. Medicare for All, Tax the Billionaires, No Foreign Wars. No aid to Israel. (650) 999-9610
Text me: (650) 999-9610
Ann Arbor Pitchbot @a2pitchbot.bsky.social Grumpy townie since 1983. Sometimes parody is indistinguishable from reality. DM your pitches to pitchbot AT theinternetemail DOT com. they/them
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.
Horace He @chhillee.bsky.social @PyTorch "My learning style is Horace twitter threads" -
@typedfemale
Finbarr @finbarr.bsky.social building the future
research at midjourney, deepmind. slinging ai hot takes 🥞at artfintel.com
terra firma, terra eterna 🚱🌉 @kavi.bsky.social PhD student posting about politics while I wait for experiments to run.
endorsements != endorsements. min flow is max cut
she/they
Developer and operator of urbanstats.org
📍 Cambridge Mass
David Michaels @vwampage.bsky.social Punderdome champion, project manager for the New York Public Library, portrait and wedding photographer. https://DazzleRiot.com
catherine 🌀 @catherinebrewer.bsky.social ai governance @openphil, unsupervised learner
Tim Hwang @timhwang.bsky.social five out of eight computers on a scale of computers
Jaime Sevilla @jsevillamol.bsky.social Director of @epochai.bsky.social. Trying to glimpse the future of AI.
Ned Resnikoff @resnikoff.bsky.social Newsletter: http://publiccomment.blog/
Hire me: http://resnikoffconsulting.com/
Pre-order my book! https://bookshop.org/p/books/build-or-die-how-america-is-suffocating-its-cities-and-what-to-do-about-it-ned-resnikoff/8ae5ebca259e570a?ean=9781642834260
Rob Reich @robreich.bsky.social Professor, Stanford University
Just Giving: Why Philanthropy is Failing Democracy
System Error: Where Big Tech Went Wrong
Orpheus Lummis @orpheuslummis.info Advancing AI safety through convenings, coordination, software, analysis
Founder of HΩ (https://horizonomega.org), based in Montréal
Maike Osborne @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 🏳️⚧️🏳️🌈
George McGowan @gjmcgowan.bsky.social 
Epoch AI @epochai.bsky.social We are a research institute investigating the trajectory of AI for the benefit of society.
epoch.ai
Ray Delahanty | CityNerd @nerd4cities.bsky.social Plangineer (AICP) when I’m at work, alter ego CityNerd when I’m not. New videos on cities and transportation every Wednesday. Nerd4cities.com | http://linktr.ee/CityNerd
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
Toby Ord @tobyord.bsky.social Senior Researcher at Oxford University.
Author — The Precipice: Existential Risk and the Future of Humanity.
tobyord.com
@allandafoe.bsky.social @allandafoe.bsky.social 
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
Alan Chan @achan96.bsky.social Research Fellow at GovAI | 🇨🇦
Jakob Mökander @jakobmokander.bsky.social Director of science & tech policy at the Tony Blair Institute. International research fellow at Yale Digital Ethics Center. Views my own
Konstantin Pilz @konstantinpilz.bsky.social Data centers, AI policy, compute governance
Push The Needle @pushtheneedle.bsky.social the closer we are physically, the closer we are socially.
Alexandria Ocasio-Cortez @aoc.bsky.social Waitress turned Congresswoman for the Bronx and Queens. Grassroots elected, small-dollar supported. A better world is possible.
ocasiocortez.com
Yo Shavit @yonashav.bsky.social policy for v smart things @openai. Past: PhD @HarvardSEAS/@SchmidtFutures/@MIT_CSAIL. Posts my own; on my head be it
Josh You @justjoshinyou.bsky.social researcher at Epoch AI. Views my own 🔸
Jake Eaton @jakee.bsky.social editing @asteriskmag.bsky.social
writing anzalogue.xyz
Alexander Berger @albrgr.bsky.social CEO of Coefficient Giving
River_Tam @rivertam.bsky.social Managing Director of Single Family Housing Inventory at BlackRock. God forbid a woman collect things.
Alex Palcuie @palcu.net Member of Technical Staff @anthropic.com. Perennially oncall. I fix Claude without Claude when it goes down. Prev SRE at Google, FDE at Palantir. London.
Matt Reardon @mjreard.bsky.social Programs at LawAI. Frmly 80000 Hours.
Ezra Klein @ezrakleinbot.bsky.social Ezra Klein’s tweets, articles, clips and podcasts on Bluesky.
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
Hannah Ritchie @hannahritchie.bsky.social Deputy Editor, Our World in Data
Senior Researcher, University of Oxford
Climate, energy, environment, all things data.
Conor Sen @conorsen.bsky.social Founder of the Housing Frame on Substack. Housing, markets, economy. Buc-ee’s fan.
conorsen.substack.com
📍Atlanta, GA
roon @tszzl.bsky.social 
John Burn-Murdoch @jburnmurdoch.ft.com Columnist and chief data reporter the Financial Times | Stories, stats & scatterplots | john.burn-murdoch@ft.com
📝 ft.com/jbm
Richard Ngo @richardngo.bsky.social What would we need to understand in order to design an amazing future? Ex DeepMind, OpenAI
Jesse Smith @jessetayriver.bsky.social HVAC, catastrophic/x-risks, EA
Nuño Sempere @nunosempere.com See clearly, act fast, hold myself well. Seek self-reinforcing loops, cherish allies, and play on the side of humanity.
allie lawsen @lexlawsen.bsky.social AI grantmaking at Coefficient Giving
Previously 80,000 Hours
lawsen.substack.com
@slatestarcodex.bsky.social @slatestarcodex.bsky.social 
Chip @fauxtownie.bsky.social Urban Planner and committed urbanist, Dad, husband. former A2 city council member
YIMBYLAND @yimbyland.com Build Housing. Build Cities. Build the Future.
🏡🏗️🚅🚀
M. Nolan Gray 🥑 @mnolangray.bsky.social the once and future city planner // chief urban planner METROPOLITAN ABUNDANCE PROJECT // AICP // YIMBY // #BBN // author of hit broadway musical arbitrary lines
Ben Hayum @profoundlyyyy.bsky.social 
@jackclarksf.bsky.social @jackclarksf.bsky.social Anthropic and Import AI. Previously OpenAI, Bloomberg, The Register. Weird futures.
Miles Brundage @milesbrundage.bsky.social AI policy researcher, wife guy, fan of cute animals and sci-fi, executive director of AVERI, Substacker
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
Sam Bowman @sambowman.co Editor of www.worksinprogress.co and head of publishing at Stripe. Just here to have fun.
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.
@wdmacaskill.bsky.social @wdmacaskill.bsky.social 
Hamilton Nolan @hamiltonnolan.bsky.social Read me: HamiltonNolan.com
My book: https://www.hachettebookgroup.com/titles/hamilton-nolan/the-hammer/9780306830921/
Email: Hamilton.Nolan@gmail.com
Sam Richardson @samrichardson.bsky.social 
80,000 Hours @80000hours.bsky.social You have 80,000 hours in your career.
This makes it your best opportunity to have a positive impact on the world.
https://80000hours.org
Jeannie Leverich @jeanniel.bsky.social Democracy is worth fighting for. Housing Abundance, Transit, Sustainability. More Neighbors, please. Tikkun olam. Certified EMDR trauma therapist and EMDRIA Consultant.
Ann Arbor, MI. She/hers.
MoreneighborsA2.org
emdrresilience.com
Aidan Sova @aidansova.bsky.social AADL Board President | Candidate for Ann Arbor City Council, Ward 4 | 9-5 Techie | UMich & Penn |
Kirk Westphal @kirkwestphal.bsky.social Planner and housing + safe transportation activist. ED of Neighborhood Institute. Everyone should be able to live and meet their daily needs in the neighborhood of their choice.
Linh Song @lsong.bsky.social Former Ann Arbor City Councilmember and Ann Arbor District Library Trustee. Co-chair for Michigan’s Prop 3 for Reproductive Freedom. Proud owner of a kimchi fridge. https://song.foundation/
brandon @dimcheff.wtf Ann Arborite at heart, in Jackson Hole for a while. Computerist, aspiring cat dad, best skier on the mountain. Go Blue. Build housing, transit, and bike lanes. Ban cars. 🖖 he/him
as seen on vice.com
signal: @bdimcheff.1701- T Zvi Mowshowitz @thezvi.bsky.social Blog at thezvi.substack.com, this is a pure backup, same handle on Twitter.
greg @gmatthews.bsky.social #A2Council, abundant housing & transportation
@damnarbor.bsky.social @damnarbor.bsky.social 
Rob Utterback 🇺🇦 @robutterback.bsky.social Harpsichordist, music cataloger, bike-riding car non-owner since 1991, ex-runner, Ann Arborite interested in #A2Council issues. Still believe in punctuation.
GovAI @govai.bsky.social 
@ebriggs.bsky.social @ebriggs.bsky.social 
Jordan Grimes @cafedujord.bsky.social Housing 🏠 + transit 🚎 + climate 🌎
President: Peninsula Young Democrats
Lead Member: Peninsula for Everyone
Work: Greenbelt Alliance
Good opinions mine, bad opinions someone else's. YIMBY.
California YIMBY @cayimby.bsky.social California YIMBY is a statewide advocacy organization working to pass legislation to end California's housing shortage by empowering and growing the YIMBY movement. Learn more at https://cayimby.org.
Jerusalem Demsas @jerusalem.bsky.social yes, like the city | Editor TheArgumentMag.com | she/her
Hayden Clarkin @thetransitguy.com I like trains and walkable neighborhoods.
https://linktr.ee/thetransitguy
Justin Wolfers @justinwolfers.bsky.social Econ professor at Michigan ● Senior fellow, Brookings ● Intro econ textbook author ● Chief economist & Deputy platypus https://newsletter.platypuseconomics.com ● Find me: https://linktr.ee/justinwolfers
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.
Jeremiah Johnson @jeremiahdjohns.bsky.social Founder @cnliberalism.org. Writing at Infinite Scroll. Carly Rae Jepsen stan. Send me the worst tweets on this site.
http://infinitescroll.us
Next door in Silicon Valley @nextdoorsv.bsky.social Learn more about what your *real* neighbors are thinking in Silicon Valley! Comedy. Parody. Not official/affiliated with, or sponsored by anyone.
Please support my GoFundMe to help me pay for parking at Valley Fair
Bill Lawrence @vdoozer.bsky.social I write stuff and brag about my kids a lot
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
harry law @harrylaw.bsky.social Thinking about thinking machines | University of Cambridge and Leverhulme Centre for the Future of Intelligence | Previously Google DeepMind
Carl T. Bergstrom @carlbergstrom.com Professor, UW Biology / Santa Fe Institute
I study how information flows in biology, science, and society.
Book: *Calling Bullshit*, http://tinyurl.com/fdcuvd7b
LLM course: https://thebullshitmachines.com
Corvids: https://tinyurl.com/mr2n5ymk
he/him
David Schneider-Joseph @thedavidsj.bsky.social Working on AI gov. Past: Technology and Security Policy @ RAND re: AI compute, telemetry database lead & 1st stage landing software @ SpaceX; AWS; Google.
Caleb Withers @calebwithers.bsky.social AI & natsec @cnas.bsky.social
GeorgistSteve 🔰🏗️🌆🪩🗽 @georgiststeve.bsky.social Urban economist from Aotearoa living in Seattle. Share rents. Build homes.
NathanAClark @nathanaclark.bsky.social Tactics Guy/Podcast Editor/Recruitment Dork/Green Screener @ TheExtraInch. Fully Coys. Chronic Insomniac. ☭
Joey Politano🏳️🌈 @josephpolitano.bsky.social Writing a data-driven newsletter about economics @ apricitas.io
Nuance? In this Economy
Full Employment Stan, Brazilian Coffee Tariff Victim |
Agus 🔎🔸 @agucova.bsky.social Accelerate AI safety.
🔗 agus.sh
Max Alexander @absurdlymax.bsky.social I do philosophy and a little math, also Effective Altruism. Every day things can get a bit better
Seb Krier @sebkrier.com friendly deep sea dweller
Caleb Watney @calebwatney.bsky.social Co-founder IFP // scientific, technological, and industrial progress
Frances Lorenz @franceslorenz.bsky.social Claude says I process my emotions externally.