Bill Maris is the managing partner at Google Ventures, which he launched in the spring of 2009 to invest some of Google's prodigious cash hoard in startups. Maris's formula includes an unusual emphasis on data--and a team of researchers to quantify elements that lead to successful investments. Then there's his Startup Lab. According to just about everyone in the startup scene, including rival VCs, Google Ventures is one of the most hands-on, full-service funders in the Valley. Its investments include Uber, Nest, and 23andMe.