Malcolm Pirnie, president and co-founder of Harbor Capital Management, retired. Robert Ohanesian, CEO, assumed his duties. Also, Mitch Dynan was named head of U.S. equities. He replaced Mark Waterhouse, who left after being hired in November. Mr. Dynan was a portfolio manager at MFS Investment Management, Boston. His duties as manager of the MFS Massachusetts Investors Trust portfolio were assumed by other team members.