Troy Ruhanen to Retire; Andrew Robertson Appointed CEO of Omnicom Advertising

NEW YORK, Sept. 9, 2026 /PRNewswire/ -- Omnicom (NYSE: OMC), the world's leading marketing and sales company, today announced that Troy Ruhanen, President and Chief Executive Officer of Omnicom Advertising, has decided to retire following a distinguished career spanning more than twenty years in leadership roles across Omnicom. Ruhanen's decision follows the successful integration of Omnicom Advertising after the combination of Omnicom and Interpublic, which established a strong foundation for the future.

"Troy has been an exceptional leader whose impact on Omnicom and our industry cannot be overstated. His leadership was instrumental in bringing together our combined organization while strengthening our ability to serve clients and create opportunities for our people. We are grateful for his many contributions and wish him every success in retirement," said John Wren, Chairman and CEO of Omnicom.

Andrew Robertson, currently Chairman of BBDO Worldwide, has been appointed Chief Executive Officer of Omnicom Advertising, effective immediately. Having spent more than two decades as a leader within Omnicom, Robertson brings valuable expertise, long-standing client relationships with marquee global brands, and a demonstrated track record of building high-performing teams. He will work closely with Ruhanen during the transition to ensure a seamless hand-off.

"Andrew is a proven leader with a deep understanding of Omnicom, our clients, and our industry. I look forward to working with him on the continued development of our advertising group, particularly his commitment to ensuring creativity remains at the core of what we do as we advance our AI and technology capabilities," added Wren.

Omnicom Advertising continues to set industry benchmarks, recently welcoming Subway, American Express, and BBVA as new clients while all three of its creative networks ranked in the top 10 at Cannes Lions this year. Its visionary client work has allowed Omnicom to be recognized as the World's Most Effective Holding Group in the Effie Index for three years in a row, and its agencies have consistently been recognized by Fast Company as among the Most Innovative Companies for the past eight years.

"It has been the privilege of a lifetime to work alongside some of the most talented people in our industry. I am incredibly proud of what we have accomplished together. With the integration complete, this is the right moment for me to retire. I have profound confidence in Andrew and our leadership team," said Ruhanen.

"Our plan is clear," said Robertson. "Secure a disproportionate share of the world's most exciting creative and strategic minds, equip them - through Omni - with the industry's most advanced AI enabled tools and data, to deliver exceptional results for a client list that is the envy of our competitors."

About Omnicom Advertising
Omnicom Advertising (OA), the creative agency services capability of Omnicom (NYSE: OMC), aligns leading creative networks; BBDO, McCann and TBWA with creative boutiques such as Goodby, Silverstein & Partners, Deutsch, GSD&M and MARTIN, among others. By bringing these agency brands under one leadership, OA allows them to leverage their collective strength today and tomorrow, to deliver the best, most impactful, creative experiences in the industry. This new connected capability unites more than 20,000 creative minds around the globe on a mission to build distinction for almost two thirds of the world's biggest brands (Interbrand, Best Global Brands 2025). 

About Omnicom
Omnicom (NYSE: OMC) is the world's leading marketing and sales company, built for intelligent growth in the next era. Powered by Omni and its proprietary data and identity, Omnicom's Connected Capabilities unite the company's world‑class agency brands, exceptional talent, and deep domain expertise across media, commerce, consulting, precision marketing, advertising, production, health, public relations, branding, and experiential to address clients' most critical growth priorities. For more information, visit www.omc.com.

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SOURCE Omnicom Group Inc.