THOMAS R. DeMARK is currently President of Market Studies, Inc., a provider of market timing indicators to various securities' data vendor networks, and President of Markets Advisory, Inc., a consultant to large financial institutions. Mr. DeMark was executive vice president of Tudor, a large investment fund; CPO partner with Van Hosington, a multibillion dollar bond fund manager; special advisor to Leon Cooperman, a three billion dollar hedge fund manager, and other large financial institutions and hedge funds. He was also president of a large financial consulting business, as well as a money manager for a multibillion dollar pension and profit-sharing fund. Mr. DeMark was also chairman of Logical Information Machines, Inc., an institutional software provider. His first book, The New Science of Technical Analysis, was highly praised by his peers. He regularly contributes articles on his trading research techniques to various financial publications. He and his trading methods have been the subject of numerous television, radio, magazine, and newsletter interviews, and he appears regularly at investment seminars throughout the world.