Dean Wampler is the Architect for Big Data Products and Services for Typesafe. He builds scalable, distributed, "Big Data" applications using Spark, Hadoop, and other tools. He is the author of "Programming Scala, Second Edition", the co-author of "Programming Hive", and the author of "Functional Programming for Java Developers", all from O'Reilly. Dean is a contributor to several open source projects and he co-organizes several technology conferences and Chicago-based user groups. Follow Dean on Twitter @deanwampler.