John Wren – Biography
Last update: 5 days agoExecutive profile
John was Executive Vice President for Needham Harper Worldwide. John Wren joined Omnicom in 1986. John served as Chief Executive Officer of the Diversified Agency Services at Omnicom.
John Wren is currentlyChairman of the Board and Chief Executive Officer at Omnicom - View - Omnicom org chart
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