Effy Oz was a Professor of Management Science and Information Systems at the Pennsylvania State University, Great Valley. In addition to publishing and presenting numerous academic and professional articles, Professor Oz authored best-selling textbooks in the areas of management information systems, e-commerce, and IT ethics. He served on the editorial boards of ENCYCLOPEDIA OF INFORMATION SYSTEMS as well as several academic journals. He received his MBA from the Hebrew University and his DBA from Boston University. Kenneth J. Sousa, Ph.D. is an Associate Professor of Computer Information Systems at Bryant University. Dr. Sousa's teaching and research areas include electronic commerce, database management systems, applications development, information systems strategy, project management, and systems development. Before joining the faculty at Bryant, he held several industry positions in consulting and information systems. He received a Bachelor of Science degree from Roger Williams University, a Master of Business Administration from Bryant College and a Ph.D. in Business Administration from the University of Rhode Island. His doctoral research focused on the use of electronic business technology within the purchasing activities of manufacturing businesses. He is a member of the Decision Sciences Institute and Northeast Decision Sciences Institute.