YC Spring 2026 (P26) founder

Ian Fong

Founder of Chert, iMessage infrastructure for business

Chertb2b7 public signals

Company

Ian Fong is listed as a founder of Chert. Chert provides the infrastructure for businesses to automate conversations over iMessage. We’re already working with B2C startups, customer experience teams, and sales teams to reach end users through trusted and conversational messaging.

Founder traction evidence

Public posts and activity attributed directly to this founder.

  1. LinkedIn

    This weekend, Salman Elgamal, Bimarsha Adhikari, Ian Fong, and I were fortunate to attend and win HackPrinceton under the following categories: - 1st Place in the Amazon-sponsored Best Use of hashtag #GenAI Challenge - Winning Prize in the hashtag #MLH Use of hashtag #MATLAB. We developed 'SustainAI' β€” an hashtag #AI-powered personal assistant that empowers users to make sustainable lifestyle choices through personalized, data-driven recommendations. (Not our most sustainable weekend, though: 36 hours, 5 slept πŸ˜…) Our eco-companion idea was born from the challenge of making individual sustainability accessible, meaningful, and accountable. Our platform engages users with a chatbot interface that leverages the hashtag #OpenAI API, providing real-time, tailored suggestions on eco-friendly practices. Using user data (health, purchase history, and more), it dynamically adapts to guide each p

    This weekend, Salman Elgamal, Bimarsha Adhikari, Ian Fong, and I were fortunate to attend and win HackPrinceton under the following categories: - 1st Place in the Amazon-sponsored Best Use of hashtag #GenAI Challenge - Winning Prize in the hashtag #MLH Use of hashtag #MATLAB....

  2. X

    Most people do not lack discipline. They lack a game worth taking seriously. I used to play games 15 hours a day. The same obsession la...

    Most people do not lack discipline. They lack a game worth taking seriously. I used to play games 15 hours a day. The same obsession later became running, engineering, hackathons, YC, and building Chert. The point was never to kill obsession. It was to move it somewhere reality...

  3. X

    Who is going to to YC AI Start up school?πŸ‘€

    Who is going to to YC AI Start up school?πŸ‘€

  4. X

    Why @OpenAI only followed Messi on insta πŸ€”

    Why @OpenAI only followed Messi on insta πŸ€”

  5. X

    Most advice sounds clean because it was written after the pain was over during the actual thing it is mostly noise bad guesses and trying not to lose the plot

    Most advice sounds clean because it was written after the pain was over during the actual thing it is mostly noise bad guesses and trying not to lose the plot

  6. X

    growing my ass up to challenge a bear😀

    growing my ass up to challenge a bear😀

  7. X

    wow, still remember using sonnet 3.5 back in the day (aka a year and a half ago)

    wow, still remember using sonnet 3.5 back in the day (aka a year and a half ago)