Peter Xu, PhD, is a Managing Director and Co-Head of QMA’s Quantitative Equity team. In this capacity, he oversees portfolio management, investment research and new product development. For over 20 years, Peter has played a critical role in the evolution of QMA's quantitative models and investment process. He has published articles in a number of journals, including the Financial Analysts Journal, The Journal of Portfolio Management, the Journal of Asset Management, The Journal of Investing and the Review of Quantitative Finance and Accounting. Peter earned a BS in nuclear physics from Fudan University in Shanghai, an MA in economics from Rice University and a PhD in finance from the University of Houston.