Andres Almiray is a member of the Groovy Swing team, a group of developers in charge of the Swing code and the tasks at the very core of the language. He is a co-founder and project lead of the Griffon framework, and is responsible for FactoryBuilderSupport, JideBuilder, and GraphicsBuilder. Andres is also a frequent conference speaker and Java Champion.
Danno Ferrin is a senior software engineer with experience in numerous UI technologies including Java, Swing, Flex, and JavaScript. He's the co-founder of Griffon, and an active committer to the Groovy language.
James Shingler is the Lead Technical Architect for Big Lots (a nationwide retailer base in Columbus, Ohio), an international speaker, an open source evangelist, and coauthor of Beginning Groovy and Grails (2008). The focus of his career has been using cutting-edge technology to develop IT solutions for the retail, insurance, financial services, and manufacturing industries.