Fabrice Douglas Rouah is a Senior Quantitative Analyst at a large financial firm in Boston. He is coauthor and coeditor of four books on hedge funds and CTAs. This is his third book with John Wiley & Sons. Gregory Vainberg is a Corporate Risk Specialist at a large consulting firm in Montreal. He is also the creator of the top finance and math VBA Web site, www.vbnumericalmethods.com.