Guide Startups

Semiotic

Fall 2025 · Active

AI Design Agents

Location: San Francisco, US

Founded: 2025

Team size: 3

About

Semiotic builds AI design agents for companies. We’re starting with landing pages for fast‑growing startups. Existing AI website builders didn't make creating websites easier—they made creating ugly websites easier. So, companies choose between blue-purple gradient slop or firms with 3-month waitlists and $100k minimums. You don't have to choose anymore. Start a project: semiotic.so

Founders

  • Michael RobersonFounder

    CEO @ Semiotic. Dropped out of Columbia (Computer Science + Cognitive Science). Previously founded a $30k/mo design studio. Former UX intern @ Amazon & brand design intern @ Landor. IG:@michaelhroberson

  • Bryan GrisalesFounder

    CTO @ Semiotic. CS + Math at Columbia and AI research at Columbia's Computational Design Lab.

  • Brandon YaoFounder

    COO @ Semiotic. Studied Computer Science and Economics at Columbia before dropping out. Previously did research with the Chief Economist of OpenAI and worked at a handful of YC-backed startups.