Nielsen is a global marketing and advertising research company headquartered in New York City. Nielsen is active in over 100 countries, and employs some 36,000 people worldwide. Total revenues amounted to $4.8 billion in 2009.
The Nielsen Company is a publicly held global information and media company, and is one of the world's leading suppliers of marketing information (Nielsen Consumer, formerly ACNielsen), media information and TV ratings (Nielsen Media Research), online intelligence (Nielsen Online) and mobile measurement (Nielsen Mobile). On January 25, 2011 the company issued an IPO raising $1.6 billion in the biggest private equity-backed U.S. IPO since 2006.David L. Calhoun is The Nielsen Company’s Chairman of the Executive Board and Chief Executive Officer. Calhoun came to Nielsen in 2006 from General Electric. Susan D. Whiting is the Executive Vice President of The Nielsen Company and Chairman of Nielsen Media Research. Whiting has been with Nielsen since 1978 and was named one of the 100 Most Influential Women in New York City business by Crain's New York Business in 2007.
The Nielsen Company's major businesses include:
Nielsen Consumer: provides measurement and analysis of marketplace dynamics and consumer attitudes and behavior