Andrew Ang is the Ann F. Kaplan Professor of Business at Columbia Business School. He is a financial economist whose work centers on understanding the nature of risk and return in asset prices. His work spans bond markets, equities, investment management and portfolio allocation, and alternative investments. Prof. Ang has served as associate editor for several leading journals, and he has received grants from various government and industry organizations. He has consulted for several financial institutions, most often the Norwegian sovereign wealth fund. Prof. Ang received a Bachelor of Economics with First Class Honours from Macquarie University, Sydney, and a Masters of Statistics and PhD in Finance from Stanford University.