CEO & Executive Chairman of the Board

John Lewis

Mr. Lewis served as Global President of Nielsen Holdings PLC, where he oversaw the Global “Buy” business and the ex-U.S. “Watch” business, which comprised approximately 2/3rds of Nielsen’s $6 billion of revenue. Mr. Lewis previously ran the North American “Buy” business, and both the Latin American “Buy” and “Watch” businesses, leading each of these segments to both accelerated revenue growth and enhanced profitability. During his time at Nielsen, Mr. Lewis completed and successfully integrated more than 10 strategic acquisitions. Prior to Nielsen, Mr. Lewis was CEO of Knowledge Networks, a venture capital-backed start-up where he succeeded the founding CEO and led its transformation into a more differentiated provider of specialized market research. Mr. Lewis also held an earlier role at Nielsen, where he was the Chief Marketing Officer and the #2 executive in the North American business turnaround from 1995-1999. Prior to his career in information services, Mr. Lewis led the Consumer Products division at The NutraSweet Company.

Change Region

North America
United States/Canada (English)
Dach (Deutsch) United Kingdom (English)
Asia Pacific
Australia (English) New Zealand (English) Asia (English)