Clark Aldrich is an educational simulation and interface designer, as well as the founder and Managing Partner of Clark Aldrich Designs. Clients include Cisco, Microsoft, Motorola, Department of Defense, Center for Army Leadership, Harvard Business School Publishing, HP, Shell, GM, UPS, McDonald's, and World Anti-Doping Agency. Clark is also the author of five books. He is editor of www.ClarkChart.com, a free database of simulations and serious games. He earned from Brown University a degree in Cognitive Science.