Dan Turk is an Associate Professor in the Department of Computer Information Systems at Colorado State University. His research interests are in the areas of computer networking, object-oriented systems, software engineering, business- and system-level modeling, software development process model-ing, the value of modeling, process improvement, and the empirical study of these areas. Dr. Turk has published papers in IEEE Transactions on Software Engineering, Journal of the Association for Information Systems, IBM Systems Journal, Information and Software Technology, Journal of Database Management, L’Objet, Journal of Systems and Software, Information Technology & Management, Journal of Information Technology Management, and International Journal of Human Computer Studies. He holds a master of science degree in computer science from Andrews University and a PhD in business administration (computer information systems) from Georgia State University.