Matt
Mazzeo

Spending days tinkering and investing in new products at the forefront of AI

Formerly GP at Coatue, MD at Lowercase Capital, Agent at CAA

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About

Backing founders who turn intelligence into products people use every day

Formerly GP at Coatue, MD at Lowercase Capital, Agent at CAA. Worked with the founders of Replit, Cognition, Stripe, Handshake, Opensea, Mark43, Supabase and others.

"Life is a potluck, bring something to the table."

Early Days

Formative Years

Spent mostly in LA with short stints in New Zealand, New York and Canada. Passed time online in Warez rooms, Starcraft servers, competing in chemistry and playing water polo. Harvard grad (2005).

Cut My Teeth

Creative Artists Agency

Started the agency's digital group
Signed talent like Michelle Phan, Donald Glover and others
Launched start-ups like Funny or Die and WhoSay
Learned how to spot talent early
Learned how to build something from scratch

Second Act

Lowercase Capital

Managing Director, managing a portfolio of over forty seed and series A investments
Worked with Stripe, Handshake, Slack, Mark43, Docker and others
Learned how to spot early potential in products
Learned how to take risks at seed and series A

Leveled Up

Coatue Management

General Partner, launched their Venture Fund
Led private consumer investing strategy
Backed teams like Replit, Niantic, Opensea, Supabase, Deliverr and Deel
Learned how to evaluate companies at scale
Learned how to be a better board member

Now

Present Day

Angel investing in founders building the application layer of AI—where model intelligence becomes daily utility.

When I'm not working, you'll find me with my wife Jesica and our daughter Josephine.

Projects

I learn by building

Weekend experiments and side projects exploring new tools and technologies.

Jesica Mazzeo: AI Model Edition

An experiment in creating an AI-generated version of my wife, Jesica, using advanced image generation techniques.

AI Jesica in Egypt

AI Jesica goes Greek

AI Jesica in the jungle

Walkthrough

Collect 20 photos of Jes
Train custom Flux.dev model on Replicate
Host model on Hugging Face
Use Claude Sonnet to develop app on Hugging Face
Test prompts for reliable image generation

Takeaways

Flux.dev beat Midjourney & Runway on character consistency by a mile.
Connecting Hugging Face Spaces to Replicate API was most challenging step.
The uncanny valley has been fully crossed. Jes's mom was fooled by several generated images.

Check Out Flux.dev →