About Us

Rob Arnott

Rob Arnott is founder and chairman of the board of Research Affiliates. Rob plays an active role in the firm’s research, portfolio management, product innovation, business strategy, and client-facing activities. He is a member of the Executive Committee of the board. Rob is co-portfolio manager on the PIMCO All Asset and All Asset All Authority funds and the PIMCO RAE™ funds.

Over his career, Rob has endeavored to bridge the worlds of academic theorists and financial markets, challenging conventional wisdom and searching for solutions that add value for investors. He has pioneered several unconventional portfolio strategies that are now widely applied, including tactical asset allocation, global tactical asset allocation, tax-advantaged equity management, and the Fundamental Index™ approach to investing. His success in doing so has resulted in a reputation as one of the world’s most provocative practitioners and respected financial analysts.

In 2002, Rob founded Research Affiliates as a research-intensive asset management firm intent on delivering innovative and impactful products and insights.

Rob has published more than 150 articles in such publications as the Journal of Portfolio Management, Harvard Business Review, and Financial Analysts Journal, for whom he served as editor in chief from 2002 through 2006. Rob has received eight Graham and Dodd Scrolls, which are awarded annually by CFA Institute to the top Financial Analysts Journal articles of the year. He also has received four Bernstein Fabozzi/Jacobs Levy awards from the Journal of Portfolio Management. In 2013, Rob received the William F. Sharpe Indexing Lifetime Achievement Award. He is co-author of The Fundamental Index: A Better Way to Invest (Wiley 2008).

Katrina F. Sherrerd, PhD, CFA

Katrina F. Sherrerd is Partner, Vice Chair of the Board and Chief Executive Officer of Research Affiliates. Katy joined Research Affiliates in 2006. She also serves on the firm’s Executive Committee and chairs the Management Committee.

Prior to joining Research Affiliates, Katy spent 19 years in various roles at CFA Institute, the largest global association of investment professionals. As part of the CFA Institute leadership team, she led the research and education effort, including oversight of the Financial Analysts Journal, and spearheaded strategic planning. She was also the executive director and a member of the board of trustees of the CFA Institute Research Foundation. Throughout her professional career, Katy has worked to further groundbreaking investment research and to encourage the continuing education of investment professionals around the world.

Katy currently serves on the board of the Shipley School and is a member of the Advisory Council for the Financial Analysts Journal and the Women Investing in Security & Education (WISE) Tearing Down the Pink Wall Advisory Board. In 2020 and 2021, Katy was named by Barron’s as one of the 100 Most Influential Women in U.S. Finance, and in 2024, Katy was named one of Pension & Investments’ Most Influential Women in Institutional Investing.

Katy received her BS in finance from the University of Virginia’s McIntire School, an MS from the Massachusetts Institute of Technology, and a PhD in finance from the Darden School at the University of Virginia. She holds the Chartered Financial Analyst® designation and is a member of CFA Institute.

Jim Masturzo, CFA

Jim Masturzo is Partner, Chief Investment Officer and board member of Research Affiliates. Jim joined Research Affiliates in 2013. He is co-portfolio manager of the PIMCO All Asset and All Asset All Authority funds and the PIMCO RAE™ funds. Jim also serves on the firm’s Management and Index Committees.

Jim regularly writes about capital markets and oversees the firm’s public asset-allocation resources, specifically the Asset Allocation Interactive tool. Jim is a member of the Management Committee of Research Affiliates.

Prior to joining Research Affiliates, Jim worked at EquiLend, a firm focused on securities lending, and at Bloomberg specializing in portfolio analytics. In that role Jim advised portfolio managers on best practices related to performance measurement, attribution, and risk analytics for equity and fixed income portfolios.

Jim has a BS in electrical engineering from Cornell University and an MBA from the Duke University Fuqua School of Business. He holds the Chartered Financial Analyst® designation and is a member of CFA Institute and CFA Society Orange County.

Que Nguyen

Que Nguyen leads the cross-sectional equity research and strategy design that supports the firm’s systematic active portfolios and smart beta indices. She works in close collaboration with the PIMCO RAE™ portfolio managers and Research Affiliates’ academic advisors. Que is a member of the Management Committee of Research Affiliates.

Prior to joining Research Affiliates, Que was a managing director at Willett Advisors for seven years. Previous to that position, she was a managing director at the University of Chicago Office of Investments. Que has also worked at Numeric Investors, Morgan Stanley, State Street, and Barra.

Prior to joining Research Affiliates, Jim worked at EquiLend, a firm focused on securities lending, and at Bloomberg specializing in portfolio analytics. In that role Jim advised portfolio managers on best practices related to performance measurement, attribution, and risk analytics for equity and fixed income portfolios.

Que received an AB honors degree from Harvard University in applied mathematics with an emphasis in economics.