Product Market Fit | Guillermo Flor | Substack

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Recent posts

two things you need to read today

Mar 6 • Guillermo Flor

From 19y Old with 0 VC money to $50M ARR in 18 Months 🔥

The 19y old CEO distribution playbook of a $50M ARR company.

Mar 5 • Guillermo Flor

Sam Altman's Vision for the Next Wave of AI Startups in 2026

12 signals from OpenAI’s Town Hall that actually matter for founders 🔥

Mar 3 • Guillermo Flor

The Pitch by Deel: we’re investing the best founders on Earth

Weekly actionable insights & resources to grow and fund your startup used by best in class companies like Notion, Stripe & OpenAI.

Mar 2 • Guillermo Flor

EXCLUSIVE: Letter AI $40M Series B Pitch Deck🔥

From Y Combinator to Battery Ventures leading the series B

Mar 2 • Guillermo Flor

The Perplexity Computer Founder Guide

Practical Guide: How founders are actually using Perplexity Computer to run their workflows and businesses

Mar 1 • Guillermo Flor

I'M LAUNCHING VC MARKET FIT!!!

The best investors in the world. In your inbox.

Feb 28 • Guillermo Flor

Perplexity's early Pitch Deck, early investors and how it's valued at ~20B Valuation

Perlexity's Deck and how they Unlocked the top VCs in the world

Feb 26 • Guillermo Flor

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