David Poiesz was named senior vice president, portfolio manager and head of growth equity investments at OppenheimerFunds Inc., New York. He replaced Alan Gilston as lead portfolio manager of the $1.62 billion Oppenheimer Growth Fund. Mr. Gilston, who remains on the growth equity team, took over as lead manager on the fund when Bruce Bartlett left in October. Mr. Poiesz had been managing director at Merrill Lynch Investment Managers Inc., New York, and senior portfolio manager for the Merrill Lynch Global Technology Fund. Information on a replacement was not available.