Chi Jin (@chijinML) · Digg

CJ

Chi Jin

521Following176Top Followers8.4KTotal Followers

BIO

Researcher @OpenAI | Associate Prof @Princeton AI Reasoning · Reinforcement Learning · Game Theory · ML Foundations

#901in/AI

Top followers

Sam Altman

@sama

AI is cool i guess

John Schulman

@johnschulman2

Recently started @thinkymachines. Interested in reinforcement learning, alignment, birds, jazz music

CF

#13

Chelsea Finn

@chelseabfinn

Asst Prof of CS & EE @Stanford Co-founder of Physical Intelligence @physical_int PhD from @Berkeley_EECS, EECS BS from @MIT

Kyunghyun Cho

@kchonyc

a mediocre combination of a mediocre scientist and a mediocre advisor at @nyuniversity (@CILVRatNYU)

Noam Brown

@polynoamial

Researching reasoning @OpenAI | Co-created Libratus/Pluribus superhuman poker AIs, CICERO Diplomacy AI, and OpenAI o-series 🍓 reasoning models

Christian Szegedy

@ChrSzegedy

#deeplearning, #ai research scientist. Opinions are mine.

Shane Gu

@shaneguML

Gemini/Omni Thinking, Senior Staff AE @GoogleDeepMind. 🇯🇵-born 🇨🇳🇨🇦. ex: Gemini 1.5-3, GPT-4 @OpenAI, Google Robotics (JP: @shanegJP). Personal opinions.

Sebastien Bubeck

@SebastienBubeck

I work on AI at OpenAI. Former VP AI and Distinguished Scientist at Microsoft.

Dan Roy

@roydanroy

@Google DeepMind. On leave, Canada CIFAR AI Chair and Former Research Director, @VectorInst. Professor, @UofT (Statistics/CS). Views are my own.

Thomas G. Dietterich

@tdietterich

University Distinguished Professor (Emeritus), Oregon State Univ.; Former President, AAAI; Currently Chair CS Section of ArXiv

rohan anil

@_arohan_

member of technical staff & co-founder of @coreautoai - and continuing to aspire to understand deep learning.

Tengyu Ma

@tengyuma

Assistant prof. @ Stanford; Chief AI Scientist @ MongoDB; Former Co-founder/CEO of Voyage AI Working on ML, DL, RL, LLMs, and their theory.

Tri Dao

@tri_dao

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

Taco Cohen

@TacoCohen

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

Yee Whye Teh

@yeewhye

Find me @yeewhye@sigmoid.social Professor at @OxCSML, @oxfordstats and Research Director at @GoogleDeepMind. All opinions are my own.

Matthew Johnson

@SingularMattrix

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

Riley Goodside

@goodside

Screenshots of chatbots since 2022. Formerly: Google DeepMind, Scale.

Yisong Yue

@yisongyue

Machine Learning @Caltech (@YueLabCaltech). AI for invention at @AsariAILabs.

Diyi Yang

@Diyi_Yang

Assistant Professor @Stanford CS @StanfordNLP @StanfordAILab Part time @humansand LLMs for Humans

Danqi Chen

@danqi_chen

Associate professor @princetonPLI @PrincetonCS MoTS @thinkymachines Previously: @facebookai, @stanfordnlp, @Tsinghua_Uni

Yuandong Tian

@tydsh

Co-founder of @Recursive_SI. ex-Meta FAIR Director. ex-Google. Reasoning, Optimization and Understanding LLM. Novelist in spare time. PhD in @CMU_Robotics.

Saining Xie

@sainingxie

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

Omar Khattab

@lateinteraction

asst professor @MIT CSAIL @nlp_mit. http://ColBERT.ai, http://DSPy.ai (@DSPyOSS), RLMs, GEPA

Tom Goldstein

@tomgoldsteincs

Professor at UMD. AI security & privacy, algorithmic bias, foundations of ML. Follow me for commentary on state-of-the-art AI.

Sham Kakade

@ShamKakade6

Harvard Professor. Full stack ML and AI. Co-director of the Kempner Institute for the Study of Artificial and Natural Intelligence.

Alex Dimakis

@AlexGDimakis

Professor, UC berkeley | Founder @bespokelabsai |

Yang Song

@DrYangSong

Research Principal of MSL

Dimitris Papailiopoulos

@DimitrisPapail

Researcher @MSFTResearch, AI Frontiers | Prof @UWMadison (on leave) | babas of Inez Lily.

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

Shunyu Yao

@ShunyuYao12

Language agents

Prafulla Dhariwal

@prafdhar

Technical fellow @OpenAI. Co-creator of GPT-4o, GPT-3, DALL-E 2, Jukebox, Glow, PPO. Previously @MIT '17

Andrew Carr 🤸

@andrew_n_carr

co-founder leading science @getcartwheel co-founder advisor @arcade_ai Past: Codex @OpenAI, Brain @GoogleAI, world ranked Tetris player

Wenhu Chen

@WenhuChen

MSL@Meta. I led PoT, MMMU, MMLU-Pro, MAmmoTH, General-Reasoner, VL-Rethinker, Pixel-Reasoner. I contributed to Gemini-2.5. Prev @GoogleDeepMind.

Quanquan Gu

@QuanquanGu

Professor @UCLA, Ex-ByteDance Seed | Recent work: Seed2.0, SeedFold, SeedProteo | Opinions are my own

Simon Shaolei Du

@SimonShaoleiDu

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

Zhiqing Sun

@EdwardSun0909

Lead Agents @Meta MSL TBD Lab. previously posttraining/agent research @OpenAI. CS PhD @LTIatCMU

Eugene Vinitsky 🦋

@EugeneVinitsky

This account only exists so no on else can occupy it. Please contact through other means. Lab website: http://emerge-lab.github.io

Preetum Nakkiran

@PreetumNakkiran

Mirendil

Ajay Jain

@ajayj_

Co-founder @genmoai. Co-created denoising diffusion (DDPM), DreamFusion, Dream Fields. Ex Ph.D. @berkeley_ai, @googleai, @facebookai, @nvidiaai, @mit

Ananya Kumar

@ananyaku

Research lead at Meta TBD Labs. Previously research lead and core contributor to o1, o3, gpt5, at OpenAI. PhD at Stanford with Percy Liang and Tengyu Ma

Stephen McAleer

@McaleerStephen

AI researcher at Anthropic

Jiajun Wu

@jiajunwu_cs

Assistant Professor at @Stanford CS

Yi Ma

@YiMaTweets

Chair Professor in AI, Hong Kong University. A Mathematical Theory of Intelligence/Memory: https://ma-lab-berkeley.github.io/deep-representation-learning-book/

Elad Hazan

@HazanPrinceton

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

Yu Su

@ysu_nlp

co-founder @NeoCognition | prof. @osunlp | sloan fellow | building towards abundance of specialized intelligence

Weijia Shi

@WeijiaShi2

PhD student @uwnlp | Prev @allen_ai @MetaAI @CS_UCLA | 🏠 http://weijiashi.notion.site

Yu Bai

@yubai01

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

Csaba Szepesvari

@CsabaSzepesvari

"If there is not folly in the world, then the world itself is folly. You must understand that mistakes are not always regrets." - Paul Tobin, Bandette🤠

Xin Eric Wang ✈️ CVPR 2026

@xwang_lk

Professor @ucsantabarbara. Head of Research @SimularAI. Director @ucsbcrml @UCSB_AI. #Multimodal #AgenticAI. AI for Humanity in the long run.

Tianqi Chen

@tqchenml

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