Nielsen Holdings said that COO Brian West has resigned effective Dec. 31, 2015.
The company said that next year, West’s responsibilities will be divided among existing company executives.
West was named COO in 2014. He joined Nielsen in 2007 as chief financial officer and was a key figure when the company went from being privately held to public in 2011.
Before Nielsen, West was with General Electric, working in the conglomerate’s plastics, aviation and NBCUniversal divisions.
"We are grateful for all of the contributions Brian has made in his eight years at Nielsen as both CFO and COO," a Nielsen spokesman said. "We wish him well in his next endeavor."
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Jon has been business editor of Broadcasting+Cable since 2010. He focuses on revenue-generating activities, including advertising and distribution, as well as executive intrigue and merger and acquisition activity. Just about any story is fair game, if a dollar sign can make its way into the article. Before B+C, Jon covered the industry for TVWeek, Cable World, Electronic Media, Advertising Age and The New York Post. A native New Yorker, Jon is hiding in plain sight in the suburbs of Chicago.