Dwight D. Churchill, head of Fidelity Investments' fixed-income...

Dwight D. Churchill, head of Fidelity Investments’ fixed-income division, was named chairman of the Association for Investment Management and Research board of governors. Mr. Churchill, who was AIMR’s vice chairman, succeeded Philippe Sarasin of Lombard Odier. Theodore R. Aronson, founder of Aronson + Partners, replaced Mr. Churchill as vice chairman.