James P. Stetler, Principal of Vanguard. He has been with Vanguard since 1982, has worked in investment management since 1996, has managed investment portfolios since 2003, and has co-managed the Fund since 2012. Education: B.S., Susquehanna University; M.B.A., Saint Joseph’s University.

W. Michael Reckmeyer, III, CFA, is Senior Managing Director , Partner, and Equity Portfolio Manager. Reckmeyer joined Wellington Management as an investment professional in 1994. As a member of the Value Team, Mike manages portfolios that have an emphasis on dividend income. Mike's mandate is to focus his research effort on large-capitalization, value-oriented stocks. While his research may include any industry, his primary area of coverage is insurance. Mike began his investment career in 1984 when he worked as an analyst following electrical equipment, aerospace, and pollution control companies (1984 —1986). This experience was followed by eight years at Kemper Financial Services where his research focus included paper and forest products, environmental services, and cable and cellular companies (1986 —1994). He received both his MBA (1984) and his BS in mechanical engineering (1981) from the University of Wisconsin. Mike holds the Chartered Financial Analyst designation and is a member of the Philadelphia Financial Analyst Society.

Binbin Guo, Ph.D., Principal of Vanguard and head of the Alpha Equity Investment team within Vanguard’s Quantitative Equity Group. He oversees the active quantitative equity funds and separately managed equity accounts. He has been with Vanguard since 2007 and has co-managed a portion of the Fund since 2016. Education: B.S. and M.S., Tsinghua University, China; Ph.D. and M.Phil., Yale University.

Hill, Senior Vice President, is head of equity quantitative research and analytics. Dr. Sharon Hill heads the firm’s equity quantitative research team in the Americas and is a member of the firm’s asset allocation committee, which is responsible for building and managing multi-asset class portfolios. Dr. Hill joined Macquarie Investment Management (MIM), which includes the former Delaware Investments, in 2000 as a senior programmer/analyst within the IT department, and then moved to the equity group as a quantitative analyst in 2002 before assuming her current position in 2004. Before joining the firm, she worked as a professor of mathematics at Rowan University and as a software developer for Bloomberg, where she focused on fixed income applications. Dr. Hill holds a bachelor’s degree, with honors, in mathematics from the City University of New York at Brooklyn College, as well as a master’s degree and Ph.D. in mathematics from the University of Connecticut. Her academic publications include work on water waves, complex spring systems, and global investments. She is a member of the Society of Quantitative Analysts and she is on the program committee of the Journal of Investment Management.