Zhuohan Li

Eric Jang

@ericjang11

Sam Bowman

@sleepinyourhat

AI alignment + LLMs at Anthropic. On leave from NYU. Views not employers'. No relation to @s8mb. Into @givingwhatwecan.

Jim Fan

@DrJimFan

NVIDIA Director of Robotics & Distinguished Scientist. Co-Lead of GEAR lab. Solving Physical AGI, one motor at a time. Stanford Ph.D. OpenAI's 1st intern.

Barret Zoph

@barret_zoph

@openai Past: - CTO & Co-Founder Thinking Machines Lab (@thinkymachines) - VP Research (Post-Training) @openai - Research Scientist at Google Brain

Jason Wei

@_jasonwei

ai researcher @meta superintelligence labs, past: openai, google 🧠

Alexandr Wang

@alexandr_wang

chief ai officer @meta, founder @scale_ai. rational in the fullness of time

Bob McGrew

@bobmcgrewai

Learning new things. Former Chief Research Officer at OpenAI, early exec at Palantir, early employee at Paypal.

Aidan Clark

@_aidan_clark_

Qualitative Mathematics @OpenAI Ex: @DeepMind Hae sententiae verbaque mihi soli sunt

Matthew Johnson

@SingularMattrix

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

Irwan Bello

@IrwanBello

Supercomputers & Friends, AI & Science. Founding team & Research Lead at @reflection_ai. Past: @OpenAI, Founding team @character_ai, Google Brain

Karina

@karinanguyen

building @thoughtfullab, prev. AI research & product @OpenAI, @AnthropicAI, @maisonagi (side proj)

Tri Dao

@tri_dao

Asst. Prof @PrincetonCS, Chief Scientist @togethercompute. Machine learning & systems.

Tim Dettmers

@Tim_Dettmers

Creator of bitsandbytes. Professor @CarnegieMellon and Research Scientist @allen_ai . I blog about deep learning and PhD life at http://timdettmers.com.

Eric Wallace

@Eric_Wallace_

research @openai

augustus odena

@gstsdn

Something new. Previously: AI research at TBD Labs / Meta; cofounder at @AdeptAILabs; Invented Scratchpad / Chain-of-Thought; Google Brain

Guillaume Lample @ NeurIPS 2024

@GuillaumeLample

Cofounder & Chief Scientist http://Mistral.ai (@MistralAI). Working on LLMs. Ex @MetaAI | PhD @Sorbonne_Univ_ | MSc @CarnegieMellon | X11 @Polytechnique

Gabriel Synnaeve

@syhw

Nerd & Dad. RL & CodeGen research since before it was cool.

Hyung Won Chung

@hwchung27

AI Research Scientist @Meta Superintelligence Labs. Past: @OpenAI / @Google Brain / PhD @MIT

Saining Xie

@sainingxie

cofounder & chief science officer at @amilabs | faculty @nyu_courant | prev: @googledeepmind @meta (FAIR) @ucsandiego | ynwa

Chip Huyen

@chipro

@aisysbooks @goodailist AI Engineering: https://amazon.com/dp/1098166302 Designing MLSys: http://amazon.com/dp/1098107969 Reading @chipslib

Tejal Patwardhan

@tejalpatwardhan

research @openai // pain is the moat

Hongyu Ren

@ren_hongyu

research @meta superintelligence. CS PhD @stanford. prev @openai.

Alex Dimakis

@AlexGDimakis

Professor, UC berkeley | Founder @bespokelabsai |

Rohan Pandey

@khoomeik

descending cross-entropy to ascend entropy @PeriodicLabs || prev research @OpenAI @CarnegieMellon '23

Ted Sanders

@sandersted

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

Tao Xu

@txhf

Learning Machine at OpenAI

Patrick Hsu

@pdhsu

@ArcInstitute co-founder, @BerkeleyBioE professor, @ThriveCapital investor | biology and ML research | 🇨🇦 prev @harvard @broadinstitute, Fast Grants

Jiahui Yu

@jhyuxm

Lead Multimodal @Meta Superintelligence Lab. Previously led Perception @OpenAI; co-led Gemini Multimodal @GoogleDeepMind.

Yu Bai

@yubai01

Training @OpenAI. Previously @SFResearch, PhD @Stanford.

Sharif Shameem

@sharifshameem

playing with models @openai

Zhiqing Sun

@EdwardSun0909

Agents @Meta MSL TBD Lab. previously posttraining research @OpenAI train LLMs to do things: deep research, chatgpt agent, etc. CS PhD @LTIatCMU

Adam.GPT

@TheRealAdamG

Forward Deployed GTM at @OpenAI. Senior token slinger. A fan of NY sports, memes, tech & nice people. NJ. My opinions are my own.

Jimmy Apples 🍎/acc

@apples_jimmy

Wagmi. 2025. As featured in Bloomberg. As quoted by Nobel Prize winner Demis Hassabis. As mentioned on the Lex Fridman Podcast💺

Jimmy Ba

@jimmybajimmyba

100x | pumping MPI up co-founder @xai | @uoft

Eric Zelikman

@ericzelikman

cofounder & ceo @humansand - building ai for humans // was lgtm-ing @xAI, phd-ing @stanford

Brandon McKinzie

@mckbrando

research @OpenAI | prev: multimodal @Apple, physics/cs @UCBerkeley

Zeyuan Allen-Zhu, Sc.D.

@ZeyuanAllenZhu

physics of language models @ Meta (FAIR at MSL, not GenAI or TBD) 🎓：Tsinghua Physics — MIT CSAIL — Princeton/IAS 🏅：IOI x 2 — ICPC — USACO — Codejam — math MCM

Shuchao Bi

@shuchaobi

Research at Meta Superintelligence Labs, RL/post-training/agents; Previously Research at OpenAI on multimodal and RL; Opinions are my own.

Junyang Lin

@JustinLin610

❤️ 🍵 ☕️ 🍷 🥃 🍺

cat

@_catwu

claude code + cowork @anthropicai, prev: @dagster, @scale_ai

Julien Chaumond

@julien_c

Co-founder and CTO at @huggingface 🤗. ML/AI for everyone, building products to propel communities fwd. @Stanford + @Polytechnique

Shunyu Yao

@ShunyuYao12

Language agents

Sewon Min

@sewon__min

Assistant professor @Berkeley_EECS @berkeley_ai || Research scientist at @allen_ai || PhD from @uwcse @uwnlp

Alex Graveley

@alexgraveley

Co-creator Perplexity Computer, GitHub Copilot, Dropbox Paper. 2x CEO. Thruhiker. Survivor 🎗️

Steven Heidel

@stevenheidel

API @OpenAI | 🏳️‍🌈 he/him

Peter Chen

@peterxichen

Building general purpose robotics at Amazon FAR. Previously Covariant CEO and Co-Founder, @OpenAI, @UCBerkeley PhD.

Matei Zaharia

@matei_zaharia

CTO @Databricks and prof @UCBerkeley. Working on data + AI, @ApacheSpark, @DeltaLakeOSS, @MLflow, @DSPyOSS, @GEPA_ai. http://linkedin.com/in/mateizaharia

Tony Zhao

@tonyzzhao

Co-founder and CEO @sundayrobotics. Stanford PhD dropout, ex Deepmind, Tesla, GoogleX

Robert Nishihara

@robertnishihara

Co-founder @anyscalecompute. Co-creator of @raydistributed. Previously PhD ML at Berkeley.

Demi Guo

@demi_guo_

Co-founder & CEO @pika_labs | AI Self @semi_guo_

Simon Shaolei Du

@SimonShaoleiDu

Reasoning Chief Scientist @miromind_ai. Associate Professor @uwcse. Prev @xai. Postdoc @the_IAS. PhD in machine learning @mldcmu.

Chenlin Meng

@chenlin_meng

Co-founder & CTO @pika_labs | ex @StanfordAILab @Stanford | Hiring: Head of Engineering and Senior Engineer

Yi Ma

@YiMaTweets

Chair Prof. in AI, HKU; Visiting Prof. of EECS, UCB For a Unified Theory of Intelligence: https://ma-lab-berkeley.github.io/deep-representation-learning-book/

Quanquan Gu

@QuanquanGu

Professor @UCLA, Pretraining and Scaling at ByteDance Seed | Recent work: Seed2.0, SeedFold | Opinions are my own

Ruoming Pang

@ruomingpang

Yuchen Jin

@Yuchenj_UW

Cooking fun AI systems & products @databricks. Prev: co-founder & CTO @ Hyperbolic, OctoAI (acquired by @nvidia) Apache TVM, PhD @ University of Washington.

Tianqi Chen

@tqchenml

AssistProf @CarnegieMellon. Distinguished Eng @NVIDIA. Creator of @XGBoostProject, @ApacheTVM. Member http://catalyst.cs.cmu.edu, @TheASF. Views are on my own

Sam Shleifer

@sam_shleifer

Founding Team Thinking Machines. Previously @c.ai. I like zsh aliases, audiobooks, and running. This does not reflect the opinions of my future self.

Daniel Fried

@dan_fried

Assistant prof. @LTIatCMU @SCSatCMU. Working on NLP: LLM agents, language-to-code, applied pragmatics, grounding.

Marco Mascorro

@Mascobot

Researching LLMs | Roboticist | Prev: Partner @a16z (inv: @cursor_ai, @thinkymachines, @bfl_ml, @WaveFormsAI, @deeptuneai, etc), cofounder @Fellow_AI

Ross Taylor

@rosstaylor90

Co-founder and CEO @GenReasoning. Previously lots of other things like: reasoning lead Meta AI, Llama 3/2, Galactica, Papers with Code.

Kevin Kwok

@kevinakwok

rachel lim

@_rlys

eng, aesthete, bookreader. building things @openai

Xiaolong Wang

@xiaolonw

Co-founder of Assured Robot Intelligence (ARI) Associate Professor @UCSDJacobs Postdoc @berkeley_ai PhD @CMU_Robotics

Omar Sanseviero

@osanseviero

Developer Experience Lead at @GoogleDeepMind Building Gemini API, Gemma, AI Studio and more AI products. My views ex-Chief Llama Officer @huggingface 🇵🇪🇲🇽

Cheng Lu

@clu_cheng

Research @Meta MSL TBD Lab. Previously pretraining & multimodal @OpenAI. PhD @Tsinghua_Uni. Interested in scalable machine learning.

Anastasios Nikolas Angelopoulos

@ml_angelopoulos

Measuring intelligence @arena. Statistics, model evaluation. Formerly @Berkeley_EECS, @stanford_ee, student researcher @GoogleDeepMind.

Lama Ahmad لمى احمد

@_lamaahmad

@OpenAI. views my own.

Peter J. Liu

@peterjliu

Building @getcompoundai (hiring: http://twentylabs.ai/careers). Was Research Scientist @ Google Brain / DeepMind, language model research. 🇨🇦🇺🇸

Josh Miller

@joshm

ceo @browsercompany makers of Arc and Dia browsers

Jerry Liu

@jerryjliu0

Parsing the world's hardest PDFs @llama_index. cofounder/CEO Careers: https://www.llamaindex.ai/careers Enterprise: https://www.llamaindex.ai/contact

Dr. Alex Wissner-Gross

@alexwg

The Innermost Loop, also on Substack (http://alexwg.org/su), LinkedIn (http://alexwg.org/li), Spotify (http://alexwg.org/sp), Threads (http://alexwg.org/th), and YouTube (http://alexwg.org/yt).

Erik Bernhardsson

@bernhardsson

Building @modal

Carina Hong

@CarinaLHong

@axiommathai : careers@axiommath.ai

Ting Chen

@tingchenai

building multimodal AGI

Phil Chen

@philhchen

Building something new. Previously research @openai @GoogleDeepMind @scale_AI @Stanford

Abhi Venigalla

@ml_hardware

Researcher @Databricks. Former @MosaicML, @CerebrasSystems. Addicted to all things compute.

John Hallman

@johnohallman

Post-training @OpenAI, previously pre-training/bio

Ruiqi Zhong @NeurIPS 25

@ZhongRuiqi

Member of Technical Staff at Thinking Machines. Human+AI collaboration. Scalable Oversight. Explainability. Prev @AnthropicAI PhD UC Berkeley'25; Columbia'19

Rylan Schaeffer

@RylanSchaeffer

AI RS @ Meta TBD. On-Leave from Stanford w/ @sanmikoyejo. Prev @ Gemini, Meta, MIT, Harvard, Uber, UCL, UC Davis

Ji Lin

@jilin_14

Research @Meta Superintelligence Lab | Prev: Research @OpenAI; PhD @MIT

Jeffrey Wang

@jeffreygwang

Researcher @OpenAI, working on pretraining & reasoning. Previously (and perhaps again) CS/Math/English @Harvard.

Hao Liu

@haoliuhl

Jason Phang

@zhansheng

Foundations at @OpenAI. PhD @NYUDataScience, @AiEleuther, 🇸🇬. Prev: @Google, @Microsoft

Rhythm Garg

@rhythmrg

co-founder, cto @appliedcompute, prev research @OpenAI

Josh McGrath

@j_mcgraph

search post training @ openai

Ashvin Nair

@ashvinair

RL foundations @cursor_ai. Prev: o1, o3, Code Interpreter @openai, 9 years learning to poke by poking at UC Berkeley

nervouscomputer

@nervouscomputer

iced latte in my veins