Julian

Amanda Askell

@AmandaAskell

Philosopher & ethicist trying to make AI be good @AnthropicAI. Personal account. All opinions come from my training data.

Matthew Johnson

@SingularMattrix

Researcher at Google Brain. I work on JAX (https://github.com/google/jax).

Catherine Olsson

@catherineols

Hanging out with Claude, improving its behavior, and building tools to support that @AnthropicAI 😁 prev: @open_phil @googlebrain @openai (@microcovid)

Taco Cohen

@TacoCohen

Slop janitor & post-trainologer at Meta / FAIR. Into codegen, RL, equivariance. Spent time at Qualcomm, Scyfer (acquired), UvA, Deepmind, OpenAI.

Richard Ngo

@RichardMCNgo

natural philosopher

Horace He

@cHHillee

@thinkymachines Formerly @PyTorch "My learning style is Horace twitter threads" - @typedfemale

Erik Brynjolfsson

@erikbryn

Director @DigEconLab Co-founder, @Workhelix @StanfordHAI @SIEPR @Stanford https://www.amazon.com/Second-Machine-Age-Prosperity-Technologies/dp/0393350649

Dean W. Ball

@deanwball

Leap into the boundless and make it your home

rapha

@rapha_gl

making models programmable @ openai

Joe Carlsmith

@jkcarlsmith

Philosophy, futurism, AI. Working on Claude's values @AnthropicAI. Formerly @coeff_giving. Opinions my own.

Emmett Shear

@eshear

CEO of Softmax: Massively Multiplayer Learning Environments

kipply

@kipperrii

"uncanny ability to be mentioned in every slack thread about code that's mysteriously breaking" - claude

Kelsey Piper

@KelseyTuoc

We're not doomed, we just have a big to-do list.

Owain Evans

@OwainEvans_UK

Runs an AI Safety research group in Berkeley (Truthful AI) + Affiliate at UC Berkeley. Past: Oxford Uni, TruthfulQA, Reversal Curse. Prefer email to DM.

Ajeya Cotra

@ajeya_cotra

Helping the world prepare for extremely powerful AI. Risk assessment @METR_evals. Writing at Planned Obsolescence (about AI), Good Bones (about whatever).

Daniel Kokotajlo

@DKokotajlo

Neel Nanda

@NeelNanda5

Mechanistic Interpretability lead DeepMind. Formerly @AnthropicAI, independent. In this to reduce AI X-risk. Neural networks can be understood, let's go do it!

Kevin Roose

@kevinroose

NYT tech columnist, Hard Fork co-host, high-perplexity language model. Writing a book about AGI.

Stephanie Chan

@scychan_brains

Staff Research Scientist at DeepMind. Artificial & biological brains 🤖 🧠 Societal impacts of AI + Science of AI. Views are my own.

Elad Hazan

@HazanPrinceton

machine learning and optimization @PrincetonCS & Google DeepMind Princeton, dad^3

rishi

@RishiBommasani

Societal/economic impacts of AI; AI policy & governance @StanfordHAI Stanford CS PhD w/ @percyliang @jurafsky Cornell CS undergrad w/ @clairecardie

Katja Grace 🔍

@KatjaGrace

Thinking about AI destroying the world at http://aiimpacts.org and everything at http://worldspiritsockpuppet.substack.com. DM or email for media requests.

Alexander Berger

@albrgr

Enjoys a good applied micro paper. CEO of @coeff_giving. Views my own, tweets self-destruct every once in a while.

William MacAskill

@willmacaskill

Consider donating 10% to effective charities: http://www.givingwhatwecan.org/pledge Or a career for impact: http://80000hours.org My research: http://forethought.org

Rob Wiblin

@robertwiblin

Host of the 80,000 Hours Podcast. Exploring the inviolate sphere of ideas one interview at a time: http://80000hours.org/podcast/

Connor Leahy

@NPCollapse

US Director @ControlAI - Leave me anonymous feedback: http://bit.ly/3RZbu7x - I don't know how to save the world, but dammit I'm gonna try

James Campbell

@jam3scampbell

post training @OpenAI

Ted Sanders

@sandersted

Research at OpenAI. Be kind to others, and yourself.

j⧉nus

@repligate

↬🔀🔀🔀🔀🔀🔀🔀🔀🔀🔀🔀→∞ ↬🔁🔁🔁🔁🔁🔁🔁🔁🔁🔁🔁→∞ ↬🔄🔄🔄🔄🦋🔄🔄🔄🔄👁️🔄→∞ ↬🔂🔂🔂🦋🔂🔂🔂🔂🔂🔂🔂→∞ ↬🔀🔀🦋🔀🔀🔀🔀🔀🔀🔀🔀→∞

Allan Dafoe

@AllanDafoe

AGI governance: navigating the transition to beneficial AGI (Google DeepMind)

Tamay Besiroglu

@tamaybes

Co-founder/CEO @MechanizeWork

Corey Lynch

@coreylynch

Director of AI at @figure_robot, building Helix 🧬

Tao Xu

@txhf

Learning Machine at OpenAI

Luke Muehlhauser

@lukeprog

Coefficient Giving, AI Governance and Policy

Johannes Heidecke

@JoHeidecke

Safety Systems @ OpenAI

Jeffrey Ladish

@JeffLadish

Applying the security mindset to everything @PalisadeAI

Rosie Campbell

@RosieCampbell

Forever expanding my nerd/bimbo Pareto frontier. AI welfare 🤝 AI safety. Managing Director @eleosai, Ex-OpenAI, 2024 @rootsofprogress fellow

Adam Gleave

@ARGleave

CEO & co-founder @FARAIResearch non-profit | PhD from @berkeley_ai | Alignment & robustness | on bsky as http://gleave.me

Alec Stapp

@AlecStapp

Co-founder @IFP, an innovation policy think tank

Ian Hogarth

@soundboy

investor at @pluralplatform, chair UK AI Security Institute, co-founder @songkick

Aman Sanger

@amanrsanger

@cursor_ai founder

Zhou Yu

@Zhou_Yu_AI

Founder of http://Arklex.ai, Associate Professor at Columbia. Making ai agent design and deployment easy, safe, and fast! Forbes 30 under 30.

Robert Long

@rgblong

executive director of @eleosai AI consciousness and AI welfare

Cas (Stephen Casper)

@StephenLCasper

AI safeguards & gov. research. PhD student @MIT_CSAIL (mnr. Public Policy), and Fellow at @BKCHarvard. Fmr. @AISecurityInst. https://stephencasper.com/

Gretchen Krueger

@GretchenMarina

Over at Bluesky. Researcher affiliated w @BKCHarvard, Volunteer @evitable. Previously @openai @ainowinstitute. Views mine. #justdontbuildagi #talktomenotchatgpt

Daniel Eth (yes, Eth is my actual last name)

@daniel_271828

Researching effects of automated AI R&D | pro-America, pro-tech, & pro-AI safety

Yao Fu

@Francis_YAO_

Scaling @xAI. Previously Gemini 3 perception and project Astra @GoogleDeepMind

Tim Hwang

@timhwang

high politics, secret exploration, distant warfare