NEW YORK--(BUSINESS WIRE)--The Interactive Advertising Bureau (IAB) today announced that Michael Lebowitz, Founder and CEO of Big Spaceship, will serve as Jury Chair for the 11th annual IAB MIXX Awards. Lebowitz will be responsible for sparking passionate debate about the entrants’ work, its quality, and its importance among the awards’ panel of 39 judges. They include creatives from some of the industry’s best-known agencies, Fortune 500 brand marketers, and major media company leaders. The IA