Dr Jevgeni Kabanov is the founder and CEO of ZeroTurnaround, a development tools company that focuses on productivity. He wrote the first version of the ZeroTurnaround flagship product, JRebel, a class-reloading JVM plugin. Jevgeni has been speaking at international conferences since 2005, including Devoxx, JavaZone, JAOO, QCon, TSSJS, JFokus and JavaOne, where he was named Rock Star in 2011 and 2012. Jevgeni also started the first Java conference in Estonia, Geekout. He has done research in programming languages, types and virtual machines, publishing several papers on topics ranging from category theoretical notions to typesafe Java DSLs.