Rob Norman is among the media industry's most outspoken leaders and a force behind many of the industry's most important initiatives related to digital media, serving as Chief Digital Officer of GroupM Worldwide and Chairman of GroupM North America. As part of my exclusive Legends & Leaders Video Interview Series Rob describes his role and shares his perspectives on the challenges confronting the digital media buying and selling ecosystem. A few of his insights appear below. You can watch the full video above.
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