Wrapping up a 12-week sprint of new business wins that totaled $1.5 billion, Omnicom Media Group CEO Florian Adamski was a guest on the Campaign Chemistry podcast hosted by Campaign US editor Alison Weissbrot. Sitting down with Alison minutes after Campaign broke the news that OMG has won the global Uber pitch, Adamski explains why OMG celebrates both new and existing client relationships.