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
Paul S. Walsh was a non-executive director of Control Data Corporation and its successor company Ceridian. He sat on the board of General Mills from 2000 until 2004, stepping down after Diageo reduced its stake in the company. He was a non-executive director of the energy company Centrica from March 2003 until May 2009. He is former chairman of the governors at Henley Management College. He became a council member of the Scotch Whisky Association in 2001 and served as its chairman from 2008 until 2011. During 2012 he was a member of David Cameron's Business Advisory Group. In August 2013, Walsh joined