Tarek Eldin was named head of research at Geode Capital Management.
The position is a new one, said Melissa Doyle, a spokeswoman for the quantitatively focused institutional investment manager.
Mr. Eldin will be responsible for the research and development of alternative and enhanced investment strategies in equities, credit, commodities and currencies.
He was a managing director on the investor behavior research team at State Street Associates, a unit of State Street Global Markets. Mr. Eldin's responsibilities have been assumed by other team members, State Street spokeswoman Alicia Curran Sweeney said.
Mr. Eldin didn't immediately respond to calls seeking comment.