Before starting Krux with Vivek, Tom served as General Manager in Microsoft's Advertiser and Publisher Solutions (APS) group. Prior to Microsoft, Tom was CEO of Rapt Inc. from its founding in 1999 to its acquisition by Microsoft in 2008. Before Rapt, Tom worked as a systems architect at Sun Microsystems and as a researcher at the Rockwell Palo Alto Science Lab. He holds a B.A. in Computer Science and Philosophy from Harvard and a Ph.D. in Engineering-Economic Systems and Operations Research from Stanford University, where he was a NASA Doctoral Fellow. He sits on the Board of Meritus, a San Francisco nonprofit that helps low-income students enter and complete a four-year college degree.