Evan loves to design, build, and improve bleeding-edge distributed data and backend systems using the latest open source technologies. He has led the design and implementation of multiple big data platforms based on Storm, Spark, Kafka, Cassandra, and Scala/Akka, including a columnar real-time distributed query engine. Evan is an active contributor to the Apache Spark project, a DataStax Cassandra MVP, and cocreator and maintainer of the open source Spark Job Server. He is a big believer in GitHub, open source, and meetups and has given talks at various conferences, including Spark Summit, Cassandra Summit, FOSS4G, and Scala Days.