1. X
  2. Brendan Fortuner
Log inSign up
Brendan Fortuner
105 posts
user avatar
Brendan Fortuner
@bfortuner
Head of Eng @AmbienceAI | Building clinical super-intelligence | Transforming clinical workflows at top U.S. health systems | Writing "Intelligent Care" ↓
San Francisco, CA
intelligentcare.substack.com
Joined February 2012
259
Following
471
Followers
RepliesRepliesMediaMedia

New to X?

Sign up now to get your own personalized timeline!

Create account

By signing up, you agree to the Terms of Service and Privacy Policy, including Cookie Use.

Terms·Privacy·Cookies·Accessibility·Ads Info·© 2026 X Corp.
Don't miss what's happening
People on X are the first to know.
Log inSign up
  • user avatar
    Brendan Fortuner
    @bfortuner
    May 8, 2025
    Ambience's RFT-tuned model boosted ICD-10 coding accuracy 27% over expert clinicians—and it's now spotlighted in @OpenAIDevs' Reinforcement Fine-Tuning use case guide. Excited to see what the community builds with this powerful new customization technique:
    Reinforcement fine-tuning use cases | OpenAI API
    Reinforcement fine-tuning use cases | OpenAI API
    From developers.openai.com
    46K
  • user avatar
    Brendan Fortuner
    @bfortuner
    Jul 29, 2025
    Surreal moment. We just announced our $243M Series C, co-led by @oakhcft & @a16z. The validation is nice, but as an engineer, my first thought was literally: "did I remember to enable DDoS protection last night?"
    Image
    OpenAI-Backed Health Startup Ambience Valued at Over $1 Billion
    From bloomberg.com
    178K
  • user avatar
    Brendan Fortuner
    @bfortuner
    Feb 9, 2024
    Excited to partner with OpenAI to build the next generation of AI models in healthcare. techcrunch.com/2024/02/06/amb… @bradlightcap @ianhathaway_ @BorisMPower
    Image
    Ambience Healthcare raises $70M for its AI assistant led by OpenAI and Kleiner Perkins | TechCrunch
    From techcrunch.com
    21K
  • user avatar
    Brendan Fortuner
    @bfortuner
    Feb 23, 2023
    My startup just came out of Stealth mode today! If you're interested in applying cutting edge AI to hard problems in healthcare--please DM me! We're hiring for all roles.
    Image
    Ambience Healthcare Launches Fully Automated AI Medical Scribe to Address Burnout Across Major...
    From linkedin.com
    4.7K
  • user avatar
    Brendan Fortuner
    @bfortuner
    Jun 11, 2017
    My professor decides to compete and beats me by one place!! And with only 3 attempts ! @kaggle @jeremyphoward
    Image
  • user avatar
    Brendan Fortuner
    @bfortuner
    Dec 10, 2022
    OpenAI Playground in Streamlit. github.com/promptable/str… Streamlit is so great for prototyping UIs quickly in Python. Highly recommend.
    Image
    GitHub - promptable/streamlit-playground: Streamlit Version of OAI Playground with Batch Inputs
    From github.com
  • user avatar
    Brendan Fortuner
    @bfortuner
    Dec 4, 2022
    Giving ChatGPT vocal chords. It's pretty magical when it talks back. #ChatGPT #GPT3 #OpenAI
    Image
    00:00
  • user avatar
    Brendan Fortuner
    @bfortuner
    Dec 6, 2022
    Replying to @jordnb
    Another Voice Interface. Runs on Mac
    Image
    GitHub - promptable/voicebots: Build voice bots that talk with you using GPT-3 and speech synthesis.
    From github.com
  • user avatar
    Brendan Fortuner
    @bfortuner
    Apr 2, 2025
    Over the last 3 years, we’ve quietly built one of the most capable clinical AI teams in the world — an unusual mix of top ML researchers, engineers, and practicing clinicians working side-by-side in SF. Our user base is growing exponentially — and we’re hiring. Thread👇
    2K
  • user avatar
    Brendan Fortuner
    @bfortuner
    Dec 1, 2022
    Navigate your Mac and Browser with GPT3. GPT3 has improved significantly since I built this in 2021. Had to pipeline a bunch of prompts. Now much of this is just 1-2 prompts. github.com/bfortuner/higg… @AdeptAILabs @OpenAI #GPT3
    Image
    00:00
  • user avatar
    Brendan Fortuner
    @bfortuner
    Aug 19, 2025
    Turning the EHR into an intelligent, conversational partner is one of the hardest problems in clinical AI. The gap between a flashy demo and a production-grade clinical assistant is much wider than people think! Today we shipped Chart Chat! Check it out 👇
    Image
    00:00
    592
  • user avatar
    Brendan Fortuner
    @bfortuner
    Jan 12, 2023
    Replying to @LynAldenContact
    Curious to hear your thoughts on how soon AI productivity gains will translate into meaningful economic changes.
    472
  • user avatar
    Brendan Fortuner
    @bfortuner
    Dec 6, 2022
    Plotting Illegal Activities with #ChatGPT. XML seems like a decent workaround to content filters.
    Image
    Image
    Image
  • user avatar
    Brendan Fortuner
    @bfortuner
    Dec 11, 2022
    Starter Kit for Twilio GPT3 SMS Chat Bot github.com/promptable/twi… Bunch of friends have been asking @PromptableAI @twilio @OpenAI #chatgpt3 #GPT3
    Image
    GitHub - promptable/twilio-gpt-sms: Twilio GPT SMS Chat Bot
    From github.com
Advertisement
Advertisement