SATYAJIT DAS is an international expert in financial derivatives with 25 years experience in the markets. He has worked on both the sell and buy sides of the derivatives business: for banks such as Citicorp Investment Bank and Merrill Lynch; and for clients, as Treasurer of the TNT Group. He now consults with banks and corporations and presents seminars on derivatives worldwide. He is the author of Traders, Guns & Money: Knowns and Unknowns in the Dazzling World of Derivatives, an insider's account of derivatives trading and Extreme Money: The Masters of the Universe and the Cult of Risk .