Veljko Krunic worked on many web development and business application projects. His current interests include Data Science, Big Data, Hadoop and Spark. Veljko's past employers include Hortonworks, SpringSource/vFabric Division of VMware, JBoss Division of Red Hat, Rally Software Development, OpenLogic, JD Edwards, PeopleSoft and and others. He holds PhD in Computer Science and MS in Engineering Management from University of Colorado At Boulder and is Six Sigma Master Black Belt.