Precha Thavikulwat (Ph.D., University of Minnesota) is professor of management at Towson University; an associate editor of Simulation & Gaming: An Interdisciplinary Journal of Theory, Practice, and Research; and a past president and fellow of the Association for Business Simulation and Experiential Learning. His research interest is in the design of computerized business gaming simulations, especially for the purpose of enabling practice in business-management skills and assessing business education. He is the author of four computerized business gaming simulations (MANAGEMENT 500, CEO, DEAL, and GEO) and GroupMaker, a program that manages individual, group, and class assignments of papers and presentations. Select Download from the menu to download and install demo versions of GEO and GroupMaker.