Charles Severance (a.k.a. Dr. Chuck – www.dr-chuck.com) is a Clinical Associate Professor at the University of Michigan School of Information, where he teaches various technology-oriented courses including programming, database design, and Web development. Chuck has written a number of books including ‘Sakai: Free as in Freedom, Using Google App Engine and Python for Informatics. His research field is in the building of learning management systems such as Sakai, Moodle, Blackboard, ANGEL, and others. He was the chief architect for the Sakai Project, a learning management system used worldwide.