Natalie I. Shapiro, Ph.D. is an Investment Officer, Portfolio Co-Manager and Quantitative Fixed Income Research Analyst at MFS Investment Management® (MFS®). Prior to joining MFS in 1997, Natalie served as a research associate for the Federal Reserve Bank of Boston. Natalie has earned a bachelor's degree from Wellesley College and a doctorate from the University of Pennsylvania.

Benjamin R. Nastou, CFA, is an investment officer, portfolio manager and quantitative research analyst at MFS Investment Management® (MFS®). He is a member of the portfolio management teams of the firm's commodity and global multi-asset strategies. Ben joined MFS in 2001 as a fixed income research associate and was promoted to quantitative research analyst in 2003. He was named portfolio manager in 2010. Ben has a bachelor's degree from Dartmouth College. He is a member of the Boston Security Analysts Society, Inc., and holds the Chartered Financial Analyst designation from the CFA Institute