UM's chief marketplace officer explains her new role

UM, the global media agency network of IPG Mediabrands, is launching an entirely new role—U.S. chief marketplace officer. Stacey Stewart, who is taking on the new position, was previously executive VP, managing partner and integrated investment. In this interview, Stewart outlines the logic behind the position and describes how she plans to drive greater media responsibility and marketplace equity, which Stewart says is “critical to the success of our industry.”