New York--NOP World, a research unit of United Business Media, announced that Jim Follett, COO, will assume overall management responsibilities for its New York-based global operations. He takes over for Simon Chadwick, who had been CEO of NOP World for the past four years. Chadwick, who is starting a Phoenix-based consulting company, will continue to act as a consultant to NOP World. Follett has served as COO of NOP World since last July. Previously, he was an executive with Information Resources.