Benjamin R. Nastou, CFA, is an investment officer, portfolio manager and quantitative research analyst at MFS Investment Management . He is a member of the portfolio management teams of the firms commodity and global multiasset 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 bachelors 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.