JACOB PARK is a Scala and Typesafe enthusiast; he embraces Akka, Play, and Spark, all with Scala, to solve various problems regarding distributed systems with additional technologies such as Cassandra and Kafka. As a believer in open-source software, he contributes to various projects on GitHub related to Akka and Cassandra: https://github.com/jparkie. When he's not working, Jacob can be found at various Scala and Typesafe conferences and meetups, either as an attendee or a presenter.

ARIEL SCARPINELLI is a senior Java developer at VirtualMind and is a passionate developer with more than 15 years of professional experience. He currently leads four agile teams for a U.S.-based enterprise SaaS company. He has experience in a lot of languages but is currently focused on Java and JavaScript with some PHP and Python.

RADU GANCEA is a software engineer and consultant at Eloquentix with a Java background (also C/C++). He is involved in projects in the energy and advertising sectors. His current focus is on Scala and other JVM languages and frameworks.