JOHN F. MARSHALL is Senior Partner of Marshall & Associates, a New York-based financial engineering and consulting firm. He is widely known for his introduction of new swap derivatives and widely used futures portfolio models. He is a professor of finance at St. Johns University, and serves as Executive Director of the International Association of Financial Engineers. He is the author of "Financial Engineering: A Guide to the Development and Use of Derivative Products" and coauthor, along with Kenneth Kapner, of "The Swaps Handbook: Swaps and Related Risk Management Instrument,"