Larry Page using Android software and, by 2010, 17.2% of the handset market consisted of Android sales, overtaking Apple for the first time. Android became the world's most popular mobile operating system shortly afterward. Following a January 2011 announcement, Page officially became the chief executive of Google on April 4, 2011, while Schmidt stepped down to become executive chairman. By this time, Google had over $180 billion market capitalization and more than 24,000 employees. After Schmidt announced the end of his tenure as CEO on January 20, 2011, he jokingly tweeted on Twitter: "Adult-supervision no longer needed." Quartz organizational management reporter, Max
John S. Watson (Chevron CEO) John S. Watson (Chevron CEO) John S. Watson (born 1956) is an American businessman. He served as the Chief Executive Officer and Chairman of the Board of the Chevron Corporation from January 1, 2010 to January 31, 2018. John S. Watson was born in California in 1956. In 1978, he graduated with a B.A. in Agricultural Economics from the University of California, Davis, and in 1980 he received an MBA from the University of Chicago Booth School of Business. In 1980, he joined the Chevron Corporation. He served as its Chief Financial Officer from 2001 to 2005. From 2009 to