28 TOP FOLLOWERS · 4.9K FOLLOWERS
“agent security lead @OpenAI
Fotis Chantzis is Agent Security Lead at OpenAI, a cybersecurity researcher known for IoT hacking book, Phrack publications, and network security talks. Tagged Researcher for primary public identity in security research.
Sam Altman
@sama
AI is cool i guess
Joshua Achiam
@jachiam0
Freedom, flourishing, and abundance. Chief Futurist @openai. Main author of http://spinningup.openai.com
Jerry Tworek
@MillionInt
CEO and co-founder of Core Automation former VP of RL @ OpenAI : reasoning models, o3, o1, GPT4, ChatGPT, Codex, RL for robots cautious AI optimist
Rowan Zellers
@rown
multimodal @thinkymachines. I also like to climb rocks and throw pottery. http://rowanzellers.com (he/him)
will depue
@willdepue
ex @openai (sora 1 & 2, posttraining o3/4o, pretraining moonshots)
rapha
@rapha_gl
making models programmable @ openai
Chelsea Sierra Voss
@csvoss
engineeress ✨ Member of Technical Staff @openai // board $QCLS // past @pilothq, @sendwaveapp, @khanacademy, CS/math @MIT, 2x IBO gold
Isa Fulford
@isafulf
research @openai
Shuchao Bi
@shuchaobi
Research at Meta Superintelligence Labs, RL/post-training/agents; Previously Research at OpenAI on multimodal and RL; Opinions are my own.
Yo Shavit
@yonashav
policy for v smart things @openai. Past: CS PhD @HarvardSEAS/@SchmidtFutures/@MIT_CSAIL. Tweets my own; on my head be it.
Ariel Herbert-Voss
@adversariel
Founder @RunSybil. likes: offsec, LLMs, and dumb memes. prev: research scientist @OpenAI / CS PhD @Harvard / @defcon AI Village
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💺
Gretchen Krueger
@GretchenMarina
Over at Bluesky. Researcher affiliated w @BKCHarvard, Volunteer @evitable. Previously @openai @ainowinstitute. Views mine. #justdontbuildagi #talktomenotchatgpt
Steven Heidel
@stevenheidel
API @OpenAI | 🏳️🌈 he/him
Lachy Groom
@lachygroom
it's pronounced locky. lachygroom@gmail.com. π.com
Ashvin Nair
@ashvinair
RL foundations @cursor_ai. Prev: o1, o3, Code Interpreter @openai, 9 years learning to poke by poking at UC Berkeley
Tomek Korbak
@tomekkorbak
agent safety @openai | previously: @AISecurityInst @AnthropicAI @nyuniversity @SussexUni
Brydon Eastman
@brhydon
🇨🇦 Mathematician (heavy on the ish) @thinkymachines Prev. MTS @OpenAI; PhD @WaterlooMath Certified wife guy, featured twice in Lego Magazine ©
girish sastry
@girishsastry
AI & other things. I used to work at OpenAI on Policy Research.
Jason Wolfe
@w01fe
alignment and the model spec @OpenAI (opinions are my own)
Matthew Berman
@MatthewBerman
The future is bright.
Kelly Buchanan
@ekellbuch
Postdoctoral Fellow @Stanford with @HazyResearch and @Scott_linderman. Working on 🤖🧠 PhD @Columbia @ZuckermanBrain @GoogleAI
DANΞ
@cryps1s
CISO @OpenAI | Ex-CISO @PalantirTech | Occasional Shitposter | 🇺🇸 All views are my own, not my employer. Duh. (Tweets == 30d retention)
fouad
@fouadmatin
@openai codex, cyber, research, security
Matt Knight
@embeddedsec
Engineer-at-Large | Former CISO and VP @OpenAI
Dave
@dece
Aliisa
@aliisarosenthal
former head of sales @openai, current investor @acrewcapital. fine-tuning two small models with @hodgessam.
Aris Konstantinidis
@ariskonstant
strategy at @invtechinc | formerly strategy & biz ops at @OpenAI and @Cohere | alum @stanfordgsb