Where: Traction, San Francisco
Why: Under Kleinberg’s leadership, Traction increased its revenue 25% last year and won new accounts such as Alibaba.com, Intel, Intuit, Salesforce.com and Symantec. It developed integrated campaigns like “Find It. Make It. Sell It.” for Alibaba.com, “The Right Time and Place” for Message Systems and “Photoshop for iPhone” for Adobe.