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About
Bryan Grisales is CTO at Semiotic, with a background in computer science and mathematics from Columbia University and prior AI research experience at Columbia's Computational Design Lab.
CTO at SemioticYC F25
Intro paths
Bryan went through Y Combinator (Fall 2025) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was David Lieb, General Partner at Y Combinator — the partner who ran Semiotic's batch and knows the company first-hand. YC profile ↗
In turn, Bryan can intro founders to Semiotic's investors below.
Semiotic's investors · 7
Co-founders at Semiotic
Frequently asked questions
- Who is Bryan Grisales?
- Bryan Grisales is CTO at Semiotic, with a background in computer science and mathematics from Columbia University and prior AI research experience at Columbia's Computational Design Lab.
- Where does Bryan Grisales work?
- Bryan Grisales is CTO of Semiotic.
- What companies did Bryan Grisales found?
- Bryan Grisales founded Semiotic.
Founder mafias
Y Combinator mafia10,594
Also came through, then founded or led a company.
Columbia University mafia602
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Semiotic's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights