Dean Wampler, Ph.D. (@deanwampler) leads the Big Data efforts at Typesafe, focusing on Spark, Mesos, Hadoop, Akka, and other tools. He is the author of "Programming Scala, Second Edition" and "Functional Programming for Java Developers", and the co-author of "Programming Hive", all from O'Reilly. Dean is a contributor to several open source projects and he co-organizes and speaks at many technology conferences and Chicago-based user groups.