Pablo Navarro Castillo is a mathematical engineer and developer. He earned his Master's degree in Applied Mathematics from École des Mines de Saint-Etienne in France. After working for a few years in operations research and data analysis, he began to work as a data visualization consultant and developer.

He has collaborated with Packt Publishing as a technical reviewer for Data Visualization with D3.js and Data Visualization with D3.js Cookbook. In 2014, he founded Masega, which is a data visualization agency based in Santiago, Chile, where he currently works.