William T. Bisignani has over 40 years of experience as an information systems management consultant, engineering manager, systems engineer, researcher and university teacher. He has a Ph.D. in Electrical Engineering from Rutgers University and is a licensed professional engineer. He has worked at think tanks, management consulting firms, universities and research laboratories. His specialty areas include information systems, telecommunications, systems thinking and systems engineering, strategic planning, decision theory, visualization, management, and other areas presented in this book. William T. Bisignani has taught over 175 graduate and undergraduate courses at Rutgers University, George Washington University, Florida Gulf Coast University and Edison College. As a Technical Director at the MITRE Corporation and Mitretek Systems, Inc. and as a principal at Booz, Allen and Hamilton, he has interfaced with people at all levels in the business and government communities. His clients included over 40 federal, state and local government organizations where he has applied the concepts in this book in designing and implementing new ways of doing business and solving problems. He has published over 30 management and technical reports in technical journals, and has organized and/chaired over 25 technical conferences. He is a member of the IEEE and AIAA. He can be reached at bisignani@ comcast.net.