AGJ
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Building the programmable economy.

I'm Alfonso, the tech and product co-founder at Crossmint.

Previously, I built products at WhatsApp, Google, and Facebook. I'm passionate about developer tools, automating the mundane, programming the economy, and cooking authentic valencian paella.

Work

Crossmint logo

Crossmint

2022 — Present

Co-founder. Our mission is to ensure no business or human falls behind in the migration to the new programmable economy.

WhatsApp logo

WhatsApp

2017 — 2021

Second PM hire. Revamped the entire end-to-end encryption architecture and was the first PM fighting abuse. Led major consumer features as the platform grew from 1 to 2 billion users.

Google Assistant logo

Google Assistant

2016 — 2017

Founding PM for the Google Assistant SDK, bringing voice AI to third-party hardware.

Firebase Auth logo

Firebase Auth

2015 — 2016

Created the product. Now the leading Authentication-as-a-Service platform, securing billions of accounts globally.

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No CAPTCHA reCAPTCHA

2013 — 2013

Created the "I'm not a robot" checkbox (Intern Project). I did not create the traffic lights, that was someone else!