SooHee Lee has been promoted to vice president for sub-advisory services at Delaware Investments of Philadelphia. Lee was previously a vice president and product manager in Delaware's retail investor services unit.
Jim O'Brien has joined Delaware Investments as vice president and key accounts manager for the wirehouse channel throughout the U.S. O'Brien previously worked as an independent consultant to Pioneer Investment Management of Boston.
Donald Roberson has joined MutualFunds.com of Boston as senior vice president of sales. Roberson was previously vice persident of sales and marketing at Blackrock Financial Group of New York.