Randall has been the CEO of the Interactive Advertising Bureau since 2007. Previously, he was the Chief Marketing Officer and Senior Director of Intellectual Capital at Booz Allen Hamilton, the international strategy and consulting firm where he also directed the award-winning business journal strategy+business and other electronic and print publications. Earlier, Randall spent six years at The New York Times, where he was the technology and politics editor of the Sunday magazine, daily advertising columnist, and a media and marketing reporter.

David Cohen joined IAB in 2020 as President. Cohen is a widely respected advertising agency leader who, prior to IAB, served as President, North America for MAGNA, Interpublic Group’s (IPG) centralized media intelligence, investment, and innovation arm. In this role, Cohen was responsible for more than $20 billion in media spend. During his tenure, Cohen structured and executed large global transactions on behalf of IPG and its clients, with such major IAB member companies as Facebook, Google, Microsoft, Spotify, Twitter, and Verizon Media.

Dennis Buchheim is President of the IAB Tech Lab, overseeing product, engineering, membership, and operations teams for the digital advertising industry’s global technical standards-setting organization. Prior to Tech Lab, Dennis was SVP of Data & Ad Effectiveness for IAB, after 12 years leading advertising technology product teams at Microsoft and Yahoo. Earlier in his career, Dennis worked for Apple, Oracle, and two startups, including one he co-founded. Dennis holds degrees in Computer Science and Business Economics from Brown University.