Scott Battaglia is a senior software development engineer for Audible Inc. (http://www.audible.com/), which is an Amazon.com, Inc. company and the leading provider of premium digital spoken audio information. He currently leads the shared Android platform team and coaches on a variety of topics, including open source, interviewing, and Scrum. Prior to this, he was an identity management architect and senior application developer with Rutgers, the State University of New Jersey.

He actively contributed to various open source projects, including Apereo Central Authentication Service (CAS) and Inspektr, and has previously contributed to Spring Security, Apereo OpenRegistry, and Apereo uPortal. He has spoken at a variety of conferences, including Jasig, EDUCAUSE, and Spring Forward on topics such as CAS, identity management, Spring Security, and software development practices.

Grzegorz Ligas is a software developer passionate about delivering solutions that are efficient and reliable. He started his career with a small company, writing software for the manufacturing industry, and then moved to retail banking. He currently works for an investment bank in London. Working in various sectors exposed him to technologies varying from mobile to highly distributed grid applications. He's the author of, and main contributor to, the IntelliJ XQuery Support plugin whose goal is to make XQuery development a pleasure.

Jan Thomä is an IT consultant with over 15 years of experience in the IT industry. He has worked for various organizations and businesses, both small and large, including the City of Hamburg, Deutsche Telekom, and the Social Democratic Party of Germany. He has been using and endorsing IntelliJ IDEA ever since he discovered it in 2005 while searching for a truly productive and integrated development environment. He wrote and contributed to several plugins for the IntelliJ platform, including the OSGi and Leiningen plugins.