Mr. Arnott is the founder and chairman of Research Affiliates, a subadvisor to PIMCO. In 2002, he established Research Affiliates as a research-intensive asset management firm that focuses on innovative asset allocation and alternative indexation products.

He previously served as chairman of First Quadrant, as president of TSA Capital Management (now part of Analytic Investors), and as vice president at The Boston Company. He also was global equity strategist at Salomon Brothers.

He has published more than 100 articles in journals such as the Journal of Portfolio Management, the Harvard Business Review and the Financial Analysts Journal, where he also served as editor in chief from 2002 through 2006.

He graduated summa cum laude from the University of California, Santa Barbara, in 1977 in economics, applied mathematics and computer science.