Crystal Programming

Dietrich George :

George Dietrich is a software engineer, open-source aficionado, and Crystal community moderator. He holds a Master of Science degree in internet information systems and a Bachelor of Science degree in information sciences.Bernal Guilherme :

Guilherme Bernal is the chief technology officer at Cubos Tecnologia. He holds a bachelor's degree in TI management. Guilherme co-founded a software development company and several tech start-ups, including one that focused on teaching programming skills to a new generation of developers. He is also a two-time world finalist in the coding competition, ACM ICPC.