Frank J. Fabozzi, PhD, CFA, CPA, is the Frederick Frank Adjunct Professor of Finance at Yale University's School of Management and a Fellow of the International Center for Finance. Prior to joining the Yale faculty, Fabozzi was a visiting professor of finance in the Sloan School at MIT. He is the Editor of the Journal of Portfolio Management. Lionel Martellini, PhD, is Professor of Finance at EDHEC Graduate School of Business in France and the Scientific Director of EDHEC Risk and Asset Management Research Centre. A former member of the faculty at the Marshall School of Business, University of Southern California, he holds Master's Degrees in Business Administration, Economics, Statistics, and Mathematics, as well as a PhD in Finance from the Haas School of Business, University of California, Berkeley. Philippe Priaulet, PHD, is the Head of Global Strategy at Natexis Banques Populaires. He is also an Associate Professor in the Department of Mathematics at the Université of Evry Val d'Essonne. He holds Master's Degrees in Business Administration and Mathematics as well as a PhD in Financial Economics from the Université Paris IX Dauphine.