J. Barry Griswell is the Chairman and CEO of a company headquartered in which US State?
J. Barry Griswell J. Barry Griswell is former Chairman and CEO of the Principal Financial Group and retired CEO of the Community Foundation of Greater Des Moines.
Nielsen Corporation The Nielsen Corporation, self-referentially known as The Nielsen Company, and formerly known as ACNielsen or AC Nielsen, is a global marketing research firm, with worldwide headquarters in New York City, United States. Regional headquarters for North America are located in the Chicago suburb of Schaumburg, Illinois. As of May 2010, it is part of Nielsen Holdings.