Roberto Cortez is a passionate Java Developer involved in the Open Source Community to help other individuals spread knowledge about Java technologies. He is a regular speaker at conferences such as JavaOne, Devoxx, Devnexus, JFokus, etc. He leads the Coimbra JUG and founded the JNation Conference in Portugal. When he is not working, he hangs out with friends, plays computer games, hits the drums, and spends time with his family.