Thomas Ranese's appointment comes on the heels of Uber laying off 400 employees from its global marketing team at the end of July.
Thalberg's departure comes just as Yum Brands reported its second quarter earnings this week, and named former Adidas exec Mark King as its new CEO.
Norman de Greve said clients want a single point of contact at an agency who understands their business and can help grow it.
Just do it: The most memorable slogans of all time not only sell the brand, but become synonymous with it.
Ad campaigns, products, music, and movies have combined to imprint the image of America in people's minds around the world.