Omnicom has announced the completion of its acquisition of The Interpublic Group of Companies, Inc., after receipt of all necessary regulatory approvals and satisfaction of the other closing conditions. The combined company, with a pro forma combined revenue of more than US$25 billion, will trade under the OMC ticker symbol on the New York Stock Exchange.

In the new Omnicom, John Wren remains Chairman & CEO, Phil Angelastro remains EVP & CFO, and Philippe Krakowsky and Daryl Simm serve as Co-Presidents and COOs. Philippe Krakowsky, Patrick Moore and E. Lee Wyatt Jr. have also joined the Omnicom Board of Directors.

More information on the new company's full leadership team will be announced on 1^st December 2025.  

"This is a defining moment for our company and our industry," said John Wren, Chairman and CEO of Omnicom. "With the completion of the deal, Omnicom is setting a new standard for modern marketing and sales leadership - creating stronger brands, delivering superior business outcomes, and driving sustainable growth. We’re excited about this next chapter. I want to thank our people, clients, and shareholders for the trust they have placed in us."

Under the terms of the agreement, Interpublic shareholders received 0.344 Omnicom shares for each share of Interpublic common stock they owned. Legacy Omnicom shareholders own approximately 60.6 per cent of the combined company, while legacy Interpublic shareholders own approximately 39.4 per cent, on a fully diluted basis.

Alvin Tham has taken on a newly created role at Kinderland International Education (KIE) as Chief Marketing Officer. Based in Singapore, he oversees the education provider’s regional integrated marketing strategy, spanning public relations, multi-brand management, corporate storytelling, content, digital communications, sales and events.

Alvin brings more than two decades of marketing and communications experience, and also serves as Chief Marketing Officer at Crestar Education Group, the parent company of KIE.

Lillian Morrison has been welcomed at Havas Red in Sydney as Group Account Director. She has begun a new agency chapter following seven and a half years at Edelman, most recently as Client Director. Prior to this, Lillian gained experience at Polkadot Communications and Blue Planet Public Relations.