# Raul Castro (@sustratos)

**URL:** <https://tophubs.co/t/raul-castro-sustratos/718>\
**Category:** Directorio de Autores\
**Created:** [22 Octubre, 2026 23:27 UTC](https://tophubs.co/t/raul-castro-sustratos/718 "2026-10-22T23:27:36Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![system](https://tophubs.co/user_avatar/tophubs.co/system/32/6_2.png) [@system](https://tophubs.co/u/system)\
**Post date:** [22 Octubre, 2026 23:27 UTC](https://tophubs.co/t/raul-castro-sustratos/718/1 "2026-10-22T23:27:36Z")

</div>

![Raul Castro](https://tophubs.co/uploads/default/original/1X/1aa0d6c9cd2e3764bd36359bf19eaad2522b9723.jpeg)

> Bitácora de aprendizaje en negocios.

**Boletines:** [Sustratos](https://sustratos.substack.com)

**Perfil en Substack:** [Raul Castro | Substack](https://substack.com/@sustratos)