Fidji Simo @fidjissimo
CEO of Applications, OpenAI Joined May 2007-
Tweets2K
-
Followers47K
-
Following677
-
Likes2K
We know that AI will create lots of new jobs, yet also create disruption. We’re announcing the OpenAI Jobs Platform to connect AI-ready workers with companies who need AI skills, and OpenAI-Certified for workers to learn and demonstrate their AI skills. openai.com/index/expandin…
So beyond happy to welcome Statsig and @vijayeraji to OpenAI! Vijaye is one of the best leaders I’ve had the chance of working with and I can’t believe I’m lucky enough to do it a second time.
So beyond happy to welcome Statsig and @vijayeraji to OpenAI! Vijaye is one of the best leaders I’ve had the chance of working with and I can’t believe I’m lucky enough to do it a second time.
Pretty incredible
GPT-5 is here! And free for everyone to use. Such an important step in unlocking the power of AI for people everywhere. Congrats to the team!
GPT-5 is here! And free for everyone to use. Such an important step in unlocking the power of AI for people everywhere. Congrats to the team!
Rare when the two smartest people ever are also the nicest - always inspired by @markchen90 and @merettm technologyreview.com/2025/07/31/112…
Think about the number of lives that will be saved once we have an AI-powered healthcare system. This isn’t theoretical anymore. “At Penda alone, AI Consult would avert diagnostic errors in 22k visits and treatment errors in 29k visits yearly.”
Think about the number of lives that will be saved once we have an AI-powered healthcare system. This isn’t theoretical anymore. “At Penda alone, AI Consult would avert diagnostic errors in 22k visits and treatment errors in 29k visits yearly.”
So many stories like this. The future is bright. One day soon, the idea of entrusting life-altering health decisions exclusively to someone who spends maybe 30 minutes thinking about your case will feel outdated and mildly unhinged.
So many stories like this. The future is bright. One day soon, the idea of entrusting life-altering health decisions exclusively to someone who spends maybe 30 minutes thinking about your case will feel outdated and mildly unhinged.
I delivered the commencement speech @HECParis and gave students some guidance on how to embrace this moment of transformation as the greatest accelerant to human potential, and usher in their own golden age of creation. youtu.be/CbiWd9xZoO4?si…
"The greatest limits you'll face are the ones you quietly agree to." Love this commencement speech from @fidjissimo on the golden age of creativity, the innovator's journey, and the magic of community. youtube.com/watch?v=CbiWd9…
What a privilege to work with people of Jason’s caliber. I have seen Jason in the most high pressure situations and he brings leadership, thoughtfulness and strategic thinking to every decision. It’s no surprise OAI has been so successful, and I hope I can help amplify that even…
What a privilege to work with people of Jason’s caliber. I have seen Jason in the most high pressure situations and he brings leadership, thoughtfulness and strategic thinking to every decision. It’s no surprise OAI has been so successful, and I hope I can help amplify that even…
Thanks Brad for the support!
Thanks @kalinowski007, what a joy it is to work with you again and see your magic in action up close!
Thanks @kalinowski007, what a joy it is to work with you again and see your magic in action up close!
I’m so incredibly lucky to have the chance to work with @bradlightcap; it’s been amazing to see him in action over the last year, covering such a complex and large set of problems with total poise. He’s one of a kind. Can’t wait to see what we can do together!
I’m so incredibly lucky to have the chance to work with @bradlightcap; it’s been amazing to see him in action over the last year, covering such a complex and large set of problems with total poise. He’s one of a kind. Can’t wait to see what we can do together!
It will be amazing to work with @kevinweil again!
It will be amazing to work with @kevinweil again!
Sam and I are so excited to welcome Fidji as CEO of Applications at OpenAI. Fidji is one of the most remarkable leaders I have ever had the privilege of working with, and I have personally seen her commitment to our mission in the boardroom over the past year. With Fidji joining…
Sam and I are so excited to welcome Fidji as CEO of Applications at OpenAI. Fidji is one of the most remarkable leaders I have ever had the privilege of working with, and I have personally seen her commitment to our mission in the boardroom over the past year. With Fidji joining…
Thanks @MichaBreakstone 🙏 Now let’s go cure diseases and make the world better; glad we’re all playing our part ❤️
Thanks @MichaBreakstone 🙏 Now let’s go cure diseases and make the world better; glad we’re all playing our part ❤️

Aaron Levie @levie
2.5M Followers 715 Following ceo @box - unleash the power of your content with AI
tobi lutke @tobi
416K Followers 2K Following @Shopify CEO by day, Dad in evening, hacker at night. Aspiring comprehensivist. (tweets auto delete eventually) retweet=noteworthy share, not endorsement
Garry Tan @garrytan
602K Followers 5K Following President & CEO @ycombinator —Founder @Initialized—designer/engineer who helps founders—San Francisco Dem accelerating the boom loop—e/acc—technology brother
Sriram Krishnan @sriramk
302K Followers 1K Following White House Senior Policy Advisor for AI. pro wrestling fan. official: @skrishnan47
Sheel Mohnot @pitdesi
175K Followers 3K Following Posting stuff I find interesting. Work: @btv_vc, leading pre/seed rounds of fintech cos. Always up for adventure.
Lenny Rachitsky @lennysan
266K Followers 3K Following Deeply researched product, growth, and career advice | Newsletter: https://t.co/LF0tRFpCeT | Podcast: https://t.co/ZQWNT0iXvJ | Lennybot: https://t.co/TqkCh3hVCa
Harley Finkelstein @harleyf
118K Followers 796 Following Entrepreneur // @Shopify President // @BigShotPodcast Creator
Bill Gurley @bgurley
720K Followers 2K Following VC @benchmark, Investor: @grubhub, @zillow, @uber, @stitchfix, @nextdoor, @glassdoor, @hacker0x01, @solvhealth, @instawork Trustee @sfiscience, Podcast: @bg2pod
Turner Novak 🍌🧢 @TurnerNovak
190K Followers 3K Following Investing @BananaCap_ Podcasting @ThePeelPod
Jason ✨👾SaaStr.A... @jasonlk
214K Followers 2K Following GET funded ➡ $200m https://t.co/AVvPIrIdFP🦄🦄🦄🦄🦄🦄 LEARN GTM ➡ https://t.co/X23R2qMajX ASK us anything ▶ https://t.co/bwkZCtvqlr Founder/ceo #AdobeSign
David Marcus @davidmarcus
189K Followers 1K Following CEO & co-founder @Lightspark ➡️ building the open Money Grid on Bitcoin + @spark. Ran Payments/Crypto & @Messenger at @Meta, led @PayPal + 3 startups.
Tanay Jaipuria @tanayj
69K Followers 3K Following partner @wing_vc investing in AI applications and infra. opinions, analysis, and banter on technology and business
Ryan Petersen @typesfast
251K Followers 2K Following Founder and CEO of Flexport: We’re making global logistics as simple and reliable as flipping a light switch.
Adam Mosseri @mosseri
162K Followers 929 Following Father of three boys, married an amazing woman, supporter of Threads and head of Instagram
Dan Rose @DanRose999
111K Followers 546 Following chairman coatue ventures / 20 years at facebook and amazon
Dan Primack @danprimack
156K Followers 5K Following Biz editor @Axios. Pro Rata newsletter. [email protected]. Native Masshole. DM for Signal/Telegram.
Julie Zhuo @joulee
159K Followers 990 Following Founder @teamSundial. Angel investor. Author of "The Making of a Manager" https://t.co/6HwJhCW5Hi. Obsessed with systems. Design + data person.
Sarah @sarahmarie1581
76 Followers 256 Following Designer🧑🎨 exploring emotional intelligence & creativity in AI through set design, cinematic storytelling, and bridging traditional crafts with innovation.
Luke Conlon @plconlon
96 Followers 657 Following
Darren Tjan @DarrenTjan
199 Followers 1K Following Exploring the latent space between liminal thought and manifest form. AI Whisperer // Speaker // Adult Educator
Sumeet Shisodia @shisodia_sumeet
275 Followers 679 Following I tweet about design, AI, and finance. Occasionally wrong, never boring.
右蒽 @you_en976
0 Followers 29 Following
Qendresa Hoti @kjut4q
485 Followers 1K Following Breaking / Building tech that matters | prev: Jiga (YC W21) | Ethereum Dev Scholar alum '24
Saurabh Saxena @textsaurabh
4 Followers 43 Following
David Hall @David____Hall
7 Followers 94 Following
Ekko @Ekkwinox
3K Followers 2K Following Producer 🎹 | Credits: Gunna Dee, Snowy, England Football Team, Kick Game UK, The Hundred + more
$¢|€π¢€™ @Austinn_Hu
15 Followers 115 Following
Guncha @gunchaDesigNerd
241 Followers 2K Following
Razvan Panturu @razvan_panturu
14 Followers 144 Following Era Explorer AI GPT : https://t.co/rxAUeBuefF
Sean Jones @thebacksean
9 Followers 10 Following
Hank the Tank @thebagger96
6 Followers 70 Following
sbc12345 @samc1work
25 Followers 640 Following
八幡🇯🇵🌈�... @369hachi
252 Followers 404 Following AIエンジニア|LLM開発支援|Prompt設計・評価|Python×生成AIでUX改善中|営業25年の課題解決力
ai_news @ainews1442737
0 Followers 15 Following
Matt Ezd. @MattEzd
6 Followers 63 Following
Mahendra Rao @MahendraRao14
220 Followers 2K Following learning to Code, trying to be a Programmer, love Travelling, Timepass Photographer. Work @Sprinklr and Debugging APIs
Julius Trujillo @JuliusTrujillo
9K Followers 10K Following Growth Marketing Manager (#PaidSearch, #Programmatic & Paid Social) - B2C & B2B #LeadGeneration - #SEO. Love traveling & snowboarding. Ad astra per aspera!
Sanford Moskowitz @truffleclock
19 Followers 1K Following
Fabrizio Palmas @fabriziopalmas
91 Followers 385 Following Professor Dr. - Creative Director & CTO. Writer. Extended Reality & Artificial Intelligence
Filttur @F1LTTUR
1K Followers 3K Following US Army Veteran/ God and family first/Blockchain enthusiast and crypto philanthropist
sylar12 @sylar12x
103 Followers 747 Following Product @Telekom_group 🚀 Previously built products @airtelindia @reliancejio & @cognizant. Creator at heart ♥️#Cyrpto digger. Alter ego: @the_productgeek
yingBo_zhang @yingbo_zha95897
36 Followers 1K Following a student interested in spatial computing/ML/AI infra... wanna explore some exciting world.
Adhiraj Singh @AdhirajS1206
63 Followers 1K Following MS in Data Science @NYUDataScience | Prev. Data Scientist (Personalised Search Recommendation) at Lowe’s
@proninronin @EldarSalavatov
167 Followers 41 Following
Mayowa Ogunmola @MOgunmola
19 Followers 123 Following
Dominic @TinySuperDom
3 Followers 101 Following Former doc switching 🩺 for 💻 | Vibe-coding 30+ apps & counting 🚫 permission 🚫 limits | Showing you how to develop your moat | Follow the journey…………☝🏼
Eric Aroesty @EAroesty
95 Followers 486 Following
Anil Sharma @anilsh390
6 Followers 113 Following
John Rodriguez @MotivatedAlpha
1 Followers 34 Following
Tarun @tarunmallappa
10K Followers 442 Following Operator scaling AI/SaaS; Tweets on macro trends in economy & business; Backyard birder; Chartered Accountant by training. Long on 🇮🇳
MetaPoiesis @VWxWurGD6I54675
2 Followers 16 Following
Ankur Jain @ankur10
2K Followers 2K Following Stanford Alum, MIT Media Lab | Jivi AI BharatPe. @Instalocate. @WalmartLabs. Kosmix | Creating digital products since age 10
salah @salah818154
47 Followers 907 Following Owner of the Egyptian Contracting and Trading Corporation
Michael D. Marshall @InsolentCool
886 Followers 930 Following Self publisher of books, music (AccDot4ever), video games, and podcasts 📚 🕹️ 🎙️ Founder / CEO / Creative @ Insolent Cool Inc.
Sunny Ramesh @sunnyramesh
95 Followers 164 Following Family, Running, Yoga, Music, Cricket, Tech, Stock investing
Priyank Agrawal @priyankinfinnov
2K Followers 5K Following Dir of Eng at Railz (acq by FIS), earlier core team at CutShort. Engineer, builder, prob solver, workaholic, learner. Writing my mind 👇 & open to chat just DM.
Brandon Wade @ResponsibleAi
47 Followers 167 Following Demystifying Al ethics for everyday folks | Threads on responsible tech | Curious about the future
Aaron Levie @levie
2.5M Followers 715 Following ceo @box - unleash the power of your content with AI
tobi lutke @tobi
416K Followers 2K Following @Shopify CEO by day, Dad in evening, hacker at night. Aspiring comprehensivist. (tweets auto delete eventually) retweet=noteworthy share, not endorsement
Nikita Bier @nikitabier
581K Followers 2K Following head of product @x, advisor @solana, venture partner @lightspeedvp, ex-founder @gasappteam (acq by discord), ex-founder @thetbhapp (acq by facebook)
Garry Tan @garrytan
602K Followers 5K Following President & CEO @ycombinator —Founder @Initialized—designer/engineer who helps founders—San Francisco Dem accelerating the boom loop—e/acc—technology brother
Sriram Krishnan @sriramk
302K Followers 1K Following White House Senior Policy Advisor for AI. pro wrestling fan. official: @skrishnan47
Harry Stebbings @HarryStebbings
294K Followers 364 Following 🎤 @twentyminutevc, 🏦 @20vcfund, @projecteurope_😇 @perplexity_ai @linear @fyxerai @tripledotgames @lovable_dev @airwallex @mercor_ai @getcaptionsapp
Lenny Rachitsky @lennysan
266K Followers 3K Following Deeply researched product, growth, and career advice | Newsletter: https://t.co/LF0tRFpCeT | Podcast: https://t.co/ZQWNT0iXvJ | Lennybot: https://t.co/TqkCh3hVCa
Harley Finkelstein @harleyf
118K Followers 796 Following Entrepreneur // @Shopify President // @BigShotPodcast Creator
Bill Gurley @bgurley
720K Followers 2K Following VC @benchmark, Investor: @grubhub, @zillow, @uber, @stitchfix, @nextdoor, @glassdoor, @hacker0x01, @solvhealth, @instawork Trustee @sfiscience, Podcast: @bg2pod
Turner Novak 🍌🧢 @TurnerNovak
190K Followers 3K Following Investing @BananaCap_ Podcasting @ThePeelPod
Jason ✨👾SaaStr.A... @jasonlk
214K Followers 2K Following GET funded ➡ $200m https://t.co/AVvPIrIdFP🦄🦄🦄🦄🦄🦄 LEARN GTM ➡ https://t.co/X23R2qMajX ASK us anything ▶ https://t.co/bwkZCtvqlr Founder/ceo #AdobeSign
David Marcus @davidmarcus
189K Followers 1K Following CEO & co-founder @Lightspark ➡️ building the open Money Grid on Bitcoin + @spark. Ran Payments/Crypto & @Messenger at @Meta, led @PayPal + 3 startups.
Ryan Petersen @typesfast
251K Followers 2K Following Founder and CEO of Flexport: We’re making global logistics as simple and reliable as flipping a light switch.
Jack Altman @jaltma
108K Followers 541 Following Early stage investor at Alt Capital. Ripping some podcasts at https://t.co/6RDbPN5jq6. Founder of Lattice.
Adam Mosseri @mosseri
162K Followers 929 Following Father of three boys, married an amazing woman, supporter of Threads and head of Instagram
✧࿈ ARCARAE ࿈✧ @arcarae_ai
1K Followers 399 Following Explore the Universe of You. We are hiring: https://t.co/ilKpD8ozSa
Andra @BioavailableNd
137K Followers 721 Following Naturopath. Fertility. Nose To Tail. Lactoferrin. Independent Researcher. Food Allergy Mommy. Educational content only · Not medical advice
Dianna Cowern @thephysicsgirl
212K Followers 2K Following Science Video Creator, Tweeting about #LongCOVID as @diannahaze, MIT Physics, Forbes 30u30 https://t.co/BT5fDLf0LO
Flowers ☾ @flowersslop
10K Followers 264 Following Stars light future dreams ♄ Erised stra ehru oyt ube cafru oyt on wohsi
Olivia Moore @omooretweets
67K Followers 841 Following Partner @a16z and twin to @venturetwins | Investor in @happyrobot_ai, @krea_ai, @tomaauto, @partiful, Salient, @scribenoteinc & more
Derya Unutmaz, MD @DeryaTR_
320K Followers 7K Following Professor, biomedical scientist, human immunologist, aging & cancer immunotherapy. ALL IN ON AI. Interests: longevity, robotics, Scifi, space. Personal opinions
Alexandr Wang @alexandr_wang
327K Followers 833 Following chief ai officer @meta, founder @scale_ai. rational in the fullness of time
Bryan Johnson @bryan_johnson
646K Followers 759 Following Conquering death will be humanity’s greatest achievement.
Rohan Paul @rohanpaul_ai
83K Followers 8K Following Compiling in real-time, the race towards AGI. 🗞️ Don't miss my daily top 1% AI analysis newsletter directly to your inbox 👉 https://t.co/6LBxO8215l
Perry Nickelston @stopchasingpain
26K Followers 2K Following ‘THE LYMPH DOC’ Helping chronic pain by optimizing blood and lymphatic flow. BIG 6™️ Lymph Reset creator. #stopchasingpain
Daniel Gross @danielgross
119K Followers 0 Following
Complex Disorders All... @CODA_research
320 Followers 151 Following The Complex Disorders Alliance is an innovative, patient-founded, patient-focused, nonprofit dedicated to accelerating research for complex conditions.
Charlie Deets @charliedeets
6K Followers 445 Following Product designer @diabrowser at @browsercompany. Previously at Apple, WhatsApp and Facebook.
Renegade Research @RenegadeRes
2K Followers 3K Following Patient led nonprofit 501c3 on #MECFS & #LongCovid • https://t.co/Tv4Sb4yLzd 💙 Runs project @remissionbiome • Donate ▶️ https://t.co/Qovzyu0mqp
dharmesh @dharmesh
338K Followers 753 Following Co-founder/CTO, HubSpot. Mission: Help millions grow better. Write articles about startups, scaleups and growth at https://t.co/OOZjd773nV (free subscription).
Jeff Weinstein @jeff_weinstein
41K Followers 6K Following product at @stripe. tiny angel investor. led @wagonhq (acq by @box) and @hyperpublic (acq by @groupon). i reply to good cold emails.
Kevin Henrikson @kevindegods
55K Followers 4K Following AI Builder & Advisor | Scaling projects from 0 to $100M+ | Bridging AI & Blockchain | Sharing frameworks for sustainable growth (aka @kevinhenrikson)
Kevin Henrikson @KevinHenrikson
12K Followers 1K Following Founder building in AI | Scaled Microsoft & Instacart engineering teams | Helping founders build the future through systems, not hustle
Jeff Richards @jrichlive
61K Followers 2K Following Venture capitalist @notablecap, 2X founder, 4X dad, praying for @Dartmouth 🏀 return to Final Four *not investment advice *wrong often 🤞
Jules Horn @juleshorn01
54K Followers 103 Following Somatic Energy Healer ✧ Fascia Release Guide Releasing trauma • Restoring balance • Remembering self 📍 LA | 1:1 • Membership • Classes ↓ https://t.co/ZhkPmNjU9q
Andrew Mayne @AndrewMayne
691K Followers 569K Following General Partner @ Zero Shot Fund, founder https://t.co/TaZkjy3cR7, former technical staff OpenAI, Shark Week, host of OpenAI Podcast & WSJ bestselling author
World @worldcoin
506K Followers 87 Following Building the real human network. World App support: @worldappsupport
Ror Preston @RorPreston
3K Followers 807 Following Founder @wecrunchme | Data-informed advocacy to accelerate research on infection-associated chronic illnesses (IACIs) 💙 | #MECFS #LongCovid
Mirage (fka Captions) @trymirage
14K Followers 152 Following Grow your brand with short-form video, powered by frontier AI research.
Parker Conrad @parkerconrad
35K Followers 479 Following Rippling payroll & HRIS admin, CEO. Nothing here should be construed as investment advice nor used in any investment decisions related to Rippling.
Ben Smith @semaforben
325K Followers 3K Following Editor-in-chief of @semafor. Former @nytimes media columnist, @buzzfeednews EIC. "Traffic." [email protected], Signal semaforben.90
Ashley Mayer @ashleymayer
61K Followers 3K Following Co-founder and GP @coalitionvc, investing $500K in early stage startups. Former comms pro @Glossier, @SocialCapital, @Box. Co-host of @greatchatpod.
ConsumerTechBets @optionsly
3K Followers 702 Following High Growth US Consumer Tech. Previously at 3 midcap public tech cos. Voting and weighing stocks. raw thoughts. dms open.
Sebastian Siemiatkows... @klarnaseb
40K Followers 387 Following Co-founder and CEO of @Klarna. Smoooth shopping! Trying my best to be the nightmare of the bank establishment worldwide! Do all I can so customers will love us
Cee Cee Schnugg @ceeceeboom
2K Followers 2K Following 1st check for deep tech @Astra (NASDAQ: ASTR) @Planet (NYSE: PL) @MammothBioSci @GalileoHealth @SwarmInternet (@SpaceX) @faunabio @gotoimpulse Ex: @iendeavors
Nick Dobos @NickADobos
50K Followers 8K Following prompt engineer @browsercompany | I make apps. My code runs on 100mil+ phones | former iOSdev @Twitter | indie dev @mindGoblinStdio Download Hivemind⬇️