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Mark O'Brien (DDB North America)

Mark O’brien, CEO of DDB North America, discusses diversity, the relationship between the advertising and the press...

 
Mark O'Brien is the president and CEO of DDB North America. O’Brien created Tribal DDB, one of the first and most respected global digital marketing agencies in the industry. He currently oversees 12 offices with more than $2 billion in annual billings and over 3000 employees. 
TOPIC: agency
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