John Wren

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John Wren

Chairman & CEO, Omnicom Group

Chairman and Chief Executive Officer of Omnicom Group. He was named CEO in 1997 and Chairman in 2018, and led the company's 2025 acquisition of Interpublic Group. [John Wren | AAF ↗]

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Entries here reflect documented financial, professional, or organizational ties drawn from public records — campaign-finance filings, corporate and regulatory disclosures, and reporting. Appearing in this graph is not an allegation of wrongdoing. Every claim shown links to its source. How we source this · Request a correction