John Seifert, Chairman-CEO, Ogilvy & Mather

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What: Chairman-CEO Where: Ogilvy & Mather, New York Why: Ogilvy won new b-to-b accounts last year including Barclays, Blackrock and Philips. It also created award-winning campaigns for such clients as “Built for the Human Network” for Cisco Systems; “Smarter Planet” for IBM; and “Answers” for Siemens.
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