John oversees development and integration of the Google Maps and Google Earth products and services. He joined Google in October 2004 as part of the acquisition of Keyhole, a 3D mapping technology company that developed an "earth browser", which he co-founded in 2001. At Google, the Keyhole technology became Google Earth in July 2005. Prior to Keyhole, John co-founded Big Network, designed to pursue casual gaming online. Big Network was acquired by eUniverse in 2000. Earlier, he was involved in the startup of one of the first massively multiplayer games online, Meridian 59, which was acquired by 3DO in 1996. Before his work in technology began, John worked in foreign affairs for the U.S. government in Washington D.C. and Southeast Asia. John earned a BA in Plan II from the University of Texas at Austin, and an MBA from the Haas School of Business at the University of California-Berkeley.