Jeff Weiner is the CEO at LinkedIn, the world's largest and most powerful network of professionals.

Jeff joined LinkedIn in December 2008, and under his leadership LinkedIn has grown its membership from 33 million to more than 467 million, increased its annual revenue from $78 million to $3.7 billion, and gone from 338 employees to more than 10,000 full-time employees in more than 30 offices around the world. Before LinkedIn, Jeff was an executive in residence at Accel Partners and Greylock Partners, where he advised the firms' consumer technology portfolio companies and evaluated new investment opportunities. Previously, Jeff served as executive vice president of the Network Division at Yahoo!, a business that generated $3 billion in annual revenue with more than 3,000 employees and had responsibility for many of the company's consumer-facing and industry-leading products. Prior to joining Yahoo! in 2001, Jeff spent more than six years at Warner Bros., where he helped oversee the company's online efforts and developed the initial business plan for Warner Bros. Online in 1994. In addition to LinkedIn, Jeff serves on the board of directors for Intuit Inc. and DonorsChoose.org, and the board of advisors for Venture for America and the Boys & Girls Club of the Peninsula. He holds a B.S. in economics from The Wharton School at the University of Pennsylvania.