Lionel Martellini is a professor of finance at EDHEC Business School and the director of EDHEC-Risk Institute. He was a faculty member at the USC Marshall School of Business and taught at the University of California, Berkeley, and Princeton University, where he was a visiting fellow in the operations research and financial engineering department. Professor Martellini is an editorial board member for the Journal of Portfolio Management, the Journal of Alternative Investments, and the Journal of Retirement. He conducts research on investment solutions for individual and institutional investors, portfolio construction, risk management, and derivatives valuation. His work has been published in leading journals and featured in such publications as the Economist, the Financial Times, and the Wall Street Journal. He has co-authored textbooks on alternative investment strategies, fixed-income securities, and goal-based investing. Professor Martellini has served as a consultant for large institutional investors, investments banks, and asset management firms. He earned master’s degrees in management (ESCP Europe), economics and statistics (ENSAE), pure mathematics (Paris 6 University), and probability and stochastic processes (Paris 6 University); a PhD in finance from the Haas School of Business, University of California, Berkeley; and a PhD in relativistic astrophysics from Université Côte d’Azur.