---
name: Rafael Gijón
role: CTO & co-founder
companies:
  - name: CrossUp
    url: https://crossup.ai/
location: Mar del Plata, Argentina
lang: en
url: https://rafaelgijon.com/
links:
  x: https://x.com/rafa_gijon
  linkedin: https://www.linkedin.com/in/rafaelgijon/
  github: https://github.com/JuezRafecas
  instagram: https://www.instagram.com/rafa_gijon/
---

# Rafael Gijón

I'm CTO and co-founder of CrossUp. Before that I co-founded Woki and was its CTO. I studied nuclear engineering; software I learned by building. I live in Mar del Plata.

## Projects

- [CrossUp](https://crossup.ai/): AI product recommendations for Tiendanube and VTEX stores.
- [Woki](https://wokiapp.com/): Restaurant reservations across Latin America.

## Now reading

- [Elon Musk](https://en.wikipedia.org/wiki/Elon_Musk_%28Isaacson_book%29), Walter Isaacson, 2023
- [The Scaling Era: An Oral History of AI, 2019–2025](https://press.stripe.com/scaling), Dwarkesh Patel with Gavin Leech, 2025

[All reading](https://rafaelgijon.com/reading)

## Elsewhere

- [X](https://x.com/rafa_gijon)
- [LinkedIn](https://www.linkedin.com/in/rafaelgijon/)
- [GitHub](https://github.com/JuezRafecas)
- [Instagram](https://www.instagram.com/rafa_gijon/)

[Español](https://rafaelgijon.com/es/)