With more than 140 years in the business, the J. Walter Thompson Company ranks as one of the largest advertising agency brands in the United States and the fourth-largest full-service network in the world. In 2005, the company celebrated its 140th anniversary with events across its 300-plus offices in nearly 90 countries that ranged from the building of a fourth Pyramid of Giza in Egypt to a bonfire of bad advertising work in Paris. Among JWT s more than 1,200 clients are such companies as Bayer, Cadbury, Diageo, Est e Lauder, Ford, Kellogg, Kimberly-Clark, Kraft, Merrill Lynch, Nestl , Rolex, Schick, Shell, Unilever and Vodafone. Headquartered in New York City, J. Walter Thompson has more than 8,500 employees in offices throughout the world, including a location in Denver. JWT is a subsidiary of WPP Group, one of the world s largest communications conglomerates.