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As CEO of [1stdibs](http://www.1stdibs.com/), David Rosenblatt spends his time thinking about how to create the preeminent digital platform for the luxury market. Prior to his position at 1stdibs, David served as CEO of DoubleClick — the leading provider of online marketing technology and services — from 2004 until 2008, where he helped contribute to the digital migration of the advertising industry. David sold the company to Google in 2008 for $3.2 billion. Following the acquisition, he stayed on as Google's President of Global Display Advertising through 2009. David serves on the boards of Twitter, IAC and Narrative Science, and is a founder and non-executive chairman of Group Commerce, Inc.