AUTHOR BIO Dierk Koenig is a senior software developer, mentor and coach. He publishes in leading German magazines on software development and speaks at international conferences.
Guillaume Laforge is the official Groovy Project Manager and Head of Groovy Development at SpringSource. He founded G2One, Inc. (later acquired by SpringSource), a professional services company dedicated to sustaining and leading the development of both Groovy and Grails. Dr Paul King leads ASERT, an organization based in Brisbane, Australia which provides software development, training, and mentoring services to customers wanting to embrace new technologies, harness best practices and innovate. Cedric Champeau is a core Groovy committer. He joined SpringSource, by Pivotal, in order to help develope the language and he is responsible for the implementation of static type checking and static compilation in Groovy 2. Hamlet D'Arcy is the founder of the Basel-based Hackergarten open source coding group, and regularly participates and speaks at local and international user groups and conferences. Erik Pragt is a passionate software developer with a broad range of experience in static languages like Java, and dynamic languages like Groovy. Having worked as a consultant for a broad range of customers mostly in the Telecom, ISP, and banking sector, Erik is now an independent freelance consultant. He founded the Dutch Groovy and Grails user group, and is a regular conference speaker and trainer. Jon Skeet is a Java developer working for Google in London. He is a C# author and community leader, spending far too much time on the Stack Overflow developer Q&A site.