Omnicom to shutter longstanding agencies, cut 4,000 jobs following IPG merger

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Omnicom has outlined its go-forward structure and leadership following the completion of its landmark acquisition of Interpublic on 26 November 2025, forming what the company describes as the world’s leading marketing and sales organisation.

The combined group brings together an expanded portfolio of media, creative, commerce, data and technology capabilities, unified through Omni, Omnicom’s advanced intelligence platform, and Acxiom RealID.

The company said this integration delivers five core strategic advantages: a strengthened media ecosystem with the world’s largest media network; a scaled creative and content engine supported by generative AI; connected commerce capabilities that link marketing investment to sales performance; enterprise-level generative AI partnerships; and a global identity infrastructure anchored by 2.6 billion verified IDs.

Don't miss: The Omnicom–IPG mega merger changes everything, especially for CMOs

Job cuts and agency closures

As part of an immediate post-merger restructuring, Omnicom will cut more than 4,000 jobs and shut several well-known advertising agency brands, streamlining operations and consolidating overlapping agencies to strengthen its global footprint, according to Financial Times.

The report added that creative marketing agency MullenLowe will be folded into Omnicom's TBWA too. In addition, FCB, one of the largest global advertising agency networks owned by IPG, will be folded into Omnicom's BBDO.

Troy Ruhanen (pictured third from right) will head Omnicom Advertising, comprising BBDO, McCann, TBWA and the U.S. Advertising Collective.

_{From left to right: Duncan Painter, Florian Adamski, John Wren, Chris Foster, Troy Ruhanen, Sergio Lopez, Michael Larson}

Leadership team

Omnicom’s Connected Capabilities framework will be led by a refreshed slate of executives across its major practices. Florian Adamski (pictured second from left) will serve as CEO of Omnicom Media, overseeing Hearts & Science, Initiative, Mediahub, OMD, PHD, UM and Acxiom.

Chris Foster (pictured fourth from left) will lead Omnicom Public Relations, which includes FleishmanHillard, Golin, Ketchum, Porter Novelli and Weber Shandwick. Sergio Lopez (pictured second from right) becomes CEO of Omnicom Production. Duncan Painter will lead Omni and the Flywheel Commerce Network.

Michael Larson (pictured far right) will lead Diversified Agency Services, with Dana Maiman overseeing Omnicom Health, Mark O’Brien heading Omnicom Branding, and Luke Taylor leading Omnicom Precision Marketing.

To accelerate integration and client delivery at an enterprise level, Omnicom has also introduced company-wide structures. Client Success Leaders, led by Jacki Kelley and Andrea Lennon, will oversee holistic solutions across all capabilities and align work to individual client strategies.

Meanwhile, the Global Growth Team, led by George Manas in his new role as chief growth and solutions officer, will focus on enterprise innovation and new business development. Manas will transition from his current role leading OMD Worldwide on 1 February 2026.

Chairman and CEO John Wren (pictured middle) continues at the helm, with Phil Angelastro as EVP and CFO, and Philippe Krakowsky and Daryl Simm serving as co-presidents and COOs. Wren said the integrated organisation positions Omnicom to “turn this moment into a catalyst for intelligent growth,” adding that the merger creates a global community of top talent supported by advanced AI tools and the Omni platform.

The company said early conversations with major clients ahead of the merger close reinforced confidence in the combined strategy, with a focus on ensuring seamless transition and continuity of service in the coming weeks.

Moreover, Omnicom will use CES 2026 in January to formally debut the combined organisation and unveil the next generation of Omni. Its year-end earnings in February 2026 will include updates on integration progress and synergies.

An Investor Day will follow shortly after to outline capital allocation plans, including a review of its share repurchase programme. On 26 November 2025, the company raised its dividend to US$0.80 per share, citing confidence in the merged group’s cash generation and synergy capture.

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