John Wren

John Wren is the Chairman and CEO of Omnicom Group, a Fortune 500 company and premier global provider of marketing and sales solutions. He was named CEO in 1997 and Chairman in 2018. Under his leadership, Omnicom has achieved status as a world-class company in the advertising and marketing industry. 

Omnicom manages a portfolio of practice areas, networks and numerous agencies consistently recognized as being among the world’s best creative, including BBDO, DDB, Goodby Silverstein & Partners FleishmanHillard, Interbrand, Ketchum, Omnicom Media Group, RAPP, and TBWA. Omnicom companies work with more than 5,000 global, national, and local clients, offering services in advertising & media, precision marketing, commerce and brand consulting, public relations, healthcare marketing and specialty communications services.

Omnicom was recognized as the Most Effective Holding Group in the 2024 Effie Index, as well as by WARC Effective 100 in 2024. The company is also routinely ranked by Forbes as America's Best Employers for Women. Mr. Wren has been recognized as one of the BestPerforming CEOs in the World by Harvard Business Review, Best CEO by Institutional Investor and as Executive of the Year by Advertising Age. 

Mr. Wren was part of the team that created Omnicom Group in 1986, two years after entering the advertising business as an Executive Vice President with Needham Harper Worldwide. He was appointed CEO of the Diversified Agency Services (DAS) division of Omnicom in 1990 and was responsible for developing the division into the holding company’s fastest growing and largest operating group, comprised of innovative companies in a wide array of communication disciplines ranging from public relations to branding. 

From CEO of DAS to leading Omnicom seven years later, Mr. Wren has always championed the company’s investment in the recruitment and development of top talent through several key programs, including Omnicom University, one of the pre-eminent professional development programs within the industry. In addition, he has long made diversity, equity, and inclusion (DE&I) a priority within the company, hiring one of the industry’s first Chief Diversity Officers in 2009 and supporting the company’s continual progress through its OPEN 2.0 action plan established in 2020. Due to these efforts and his strong leadership of the company, the American Advertising Federation inducted him into its Advertising Hall of Fame in 2023. 

Committed to shaping the future of business, Mr. Wren is a member of the International Business Council of the World Economic Forum as well as the CNBC CEO Council. He has been recognized for his contributions to the community with numerous accolades, among them the Gold Medal Award from the Catholic Youth Organization and the Ellis Island Medal of Honor.