Burson-Marsteller is a global public relations and communications firm headquartered in New York City. Burson-Marsteller operates 67 wholly owned offices and 71 affiliate offices in 98 countries across six continents. The company was founded by Harold Burson and William "Bill" Marsteller in 1953, and, by the early 1980s, had become one of the largest public relations companies in the world. In 1979 it became a subsidiary of Young & Rubicam, which is now owned by WPP Group. The current CEO of Burson-Marsteller is Mark Penn, who joined the company in 2005.
Burson-Marsteller provides public relations and advertising services to clients, including multinational corporations and government agencies. Burson-Marsteller is primarily known for its crisis management services and political lobbying. It has won numerous awards from the public relations industry over the years for its work in high profile crisis management. [Source: Wikipedia]