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About
Allan Guo studied computer science at Stanford and conducted research in machine learning and neuroscience at Stanford Medical School. He co-founded and leads Willow, and has previously worked on ventures in music, healthcare technology, and e-commerce.
CEO at WillowYC X25
Intro paths
Allan went through Y Combinator (Spring 2025) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Nicolas Dessaigne, General Partner at Y Combinator — the partner who ran Willow's batch and knows the company first-hand. YC profile ↗
In turn, Allan can intro founders to Willow's investors below.
Willow's investors · 10
Co-founders at Willow
Frequently asked questions
- Who is Allan Guo?
- Allan Guo studied computer science at Stanford and conducted research in machine learning and neuroscience at Stanford Medical School. He co-founded and leads Willow, and has previously worked on ventures in music, healthcare technology, and e-commerce.
- Where does Allan Guo work?
- Allan Guo is CEO of Willow.
- What companies did Allan Guo found?
- Allan Guo founded Willow.
Founder mafias
Y Combinator mafia10,594
Also came through, then founded or led a company.
Stanford University mafia2,290
Also came through, then founded or led a company.
Z-Fellows mafia52
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Willow'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