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
Eric Schmidt the parent company of The Groundwork. The Schmidt Family Foundation was established in 2006 by Wendy Schmidt and Eric Schmidt to address issues of sustainability and the responsible use of natural resources. Schmidt and his wife established the Eric & Wendy Schmidt Data Science for Social Good Fellowship, a University of Chicago summer school program for aspiring data scientists. The Schmidt Family Foundation's subsidiaries include ReMain Nantucket and the Marine Science and Technology Foundation; its main charitable program is the 11th Hour Project. The foundation has also awarded grants to the Natural Resources Defense Council and the Energy Foundation. The