Joseph Pelrine is both computer and social complexity scientist, C*O of MetaProg, a company devoted to increasing the quality of software and its development process, and is Europe's senior certified ScrumMaster Practitioner and Trainer as well as one of Europe's leading experts on eXtreme Programming. 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.