An open source enthusiast. Leader on the development of VRaptor 4, a well known MVC framework built on top of CDI. Polyglot developer, instructor and writer. Active participant in the community through java user groups, foruns, speaking in national and international technology events, writing tech books and being a member of JCP and some expert groups such as JSR 371 (Model-View-Controller) and JSR 370 (JAX-RS 2.1). Likes continuously study best practices of object orientation, agile practices, functional programming, Java 8 and Java EE specs.