Joseph Pelrine is C*O of MetaProg, a company devoted to increasing the quality of software and its development process, and is one of Europe’s leading experts on eXtreme Programming as well as Europe’s first certified ScrumMaster Practitioner and Trainer. He has had a successful career as software developer, project manager and consultant, and has spoken about it at such diverse places as IBM, OOPSLA and the Chaos Computer Club. His work focus is on field of social complexity science and its application to Agile processes, and his new book on this topic is planned for late 2009.