Mark Zagorski has a vision for a unified connected TV effectiveness metric. But first, he’s going to need to ensure connected TV ads can all be seen in the first place. In September, Zagorski joined as CEO of DoubleVerify, after exiting the same role from Telaria amid its merger with Rubicon Project. In this video … Continue reading TV Viewability Is Not Guaranteed: DoubleVerify CEO Zagorski