Inside these posts: Mark O’Brien

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DDB Chicago names interim chief

After a tumultuous three year term, DDB’s Chicago president Rick Carpenter has resigned. During the search for his replacement, Mark O’Brien, DDB’s North America, will serve as Chicago’s interim chief.

DDB Chicago has a number of Fortune 500 clients, including McDonald’s and Anheuser-Busch. DDB is part Omnicom, a global media and communications company. Get the full story »