Get live statistics and analysis of Fidji Simo's profile on X / Twitter

CEO of Applications, OpenAI

825 following410k followers

The Innovator

Product-first leader who moved from scaling Instacart to building consumer AI at OpenAI, launching things like ChatGPT Atlas and ChatGPT Health. Energetic, public-facing, and obsessed with making AI useful and empowering at scale. Tweets product launches, team wins, and big-picture essays with a founder’s urgency.

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She launches features faster than most people finish their coffee, by the time you hit reply she’s already hired three engineers, written a roadmap, and turned your critique into a roadmap slide.

Transitioning from CEO of Instacart to CEO of Applications at OpenAI and shipping major consumer AI products like ChatGPT Atlas and ChatGPT Health, turning high-stakes leadership moves into visible product milestones.

To empower billions by turning cutting-edge AI into delightful, trustworthy products that actually solve people’s everyday problems, especially in messy domains like healthcare and the open web.

Believes technology should amplify human agency, that great products are built by relentless iteration and great teams, and that responsible deployment and clear communication are essential when scaling powerful AI to everyone.

Clear product vision, rapid execution, strong talent magnetism (she brings top engineers back to the team), and an ability to translate technical launches into compelling public narratives.

Can move fast enough to outpace nuance, announcements may invite intense public scrutiny and heated debate; she risks burnout or overcommitment juggling big transitions and multiple launches.

To grow on X, lean into short, tactical product threads and bite-sized demo videos showing what the product actually does; spotlight engineers and behind-the-scenes decisions to humanize the team; host periodic AMAs to answer policy/product trade-offs; pin a clear explainer (and roadmap) to your profile; and use replies to seed clarifying threads that turn controversy into teachable moments.

Fun fact: Fidji has 133,642 followers and has tweeted 1,682 times. She’s known for launching consumer-facing AI products (ChatGPT Atlas browser, ChatGPT Health) and for making hiring announcements that read like product teasers.

Top tweets of Fidji Simo

So excited to be joining @openai and contributing to its mission. Thank you @sama for the opportunity- it will be such a privilege to work with such a talented team on one of the most important and ambitious endeavors in history. I’ll remain CEO of @Instacart for the next few months and Chair of the board after that; I’m so grateful to my Instacart team for the amazing ride we had together, and I look forward to supporting the next CEO during the transition.

510k

I get asked all the time how we ship products so fast at @OpenAI despite a fairly small team. Now you know. We’ve got help - use Codex.

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Most engaged tweets of Fidji Simo

So excited to be joining @openai and contributing to its mission. Thank you @sama for the opportunity- it will be such a privilege to work with such a talented team on one of the most important and ambitious endeavors in history. I’ll remain CEO of @Instacart for the next few months and Chair of the board after that; I’m so grateful to my Instacart team for the amazing ride we had together, and I look forward to supporting the next CEO during the transition.

510k

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