Jan is a highly experienced Java enterprise architect, consultant, and developer with very strong technical skills, author of Pro Spring 2.5, Pro Spring and other books, blogs and articles. He regularly speaks at conferences and developer events in the UK and abroad and he is the editor of the Open Source Journal. Jan regularly works on open source projects; he is the author of Specs2 Spring, Scalad, Spock Spring Integration and Spring Workflow Extension. Jan’s technical interests and expertise include lightweight JVM-based applications in Scala, Groovy and Java with the help of the Spring Framework, Grails, Akka and Play 2; with asynchronous, resilient and scalable messaging, deployed on cloud infrastructures. Jan has demonstrated his technical and agile management skills on numerous projects in the public and private sectors; working with the in-house teams as well as delivering projects at Cake Solutions. He has led teams through the perils of agile software delivery, bringing control and value to the business and the joy of programming back to the technical teams. Jan shares his agile leadership experience in publications for the NCC, at public events and at national conferences. In his spare time, Jan likes to explore new programming languages and experiment with microcontrollers. Jan also competes in time trials and road races as a member of the Manchester Wheelers Cycling Club.