Sept. 6, 2011 - Cupertino, California - U.S. - Apple Inc. world headquarters Monday September 5, 2011. Apple is one of the worlds most valuable companies by market capitalization and recently eclipsed Exxon Mobile with a Market worth of about $349.32 billion. Iconic CEO Steve Jobs resigned on August 24, 2011, and the Board named Tim Cook, previously Apple's Chief Operating Officer, as the company's new CEO. (Credit Image: Alan Greth/ZUMAPress.com).