# Rafael Gijón > CTO & co-founder of CrossUp, previously of Woki. Studied nuclear engineering; learned software by building. Based in Mar del Plata, Argentina. Every page on this site has a Markdown version, linked below. The home pages are `/index.md` and `/es/index.md`; any other page adds `.md` to its path (`/reading` → `/reading.md`). You can also request any page with `Accept: text/markdown`. ## Pages - [Rafael Gijón (English)](https://rafaelgijon.com/index.md): Bio, projects and links. - [Rafael Gijón (Español)](https://rafaelgijon.com/es/index.md): Bio, proyectos y enlaces. - [Reading](https://rafaelgijon.com/reading.md): Reading list. - [Lecturas](https://rafaelgijon.com/es/lecturas.md): Lista de lecturas. ## Projects - [CrossUp](https://crossup.ai/): AI product recommendations for Tiendanube and VTEX stores. - [Woki](https://wokiapp.com/): Restaurant reservations across Latin America. ## Optional - [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/) - [Sitemap](https://rafaelgijon.com/sitemap-index.xml)