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.
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---name: Rafael Gijónrole: CTO & co-foundercompanies: - name: CrossUp url: https://crossup.ai/location: Mar del Plata, Argentinalang: enurl: 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 GijónI'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/)