GroupM Appoints Wavemaker CEO Toby Jenner as Global President, GroupM Clients

Jenner to Lead Integrated Growth, Marketing, and Communications Efforts Across GroupM in Addition to Wavemaker Duties

New York, London, Singapore (May 16, 2024) – GroupM, WPP’s media investment group, today announced the appointment of Toby Jenner as Global President, GroupM Clients. In this newly created role, Jenner, who has led GroupM agency Wavemaker to the number one position in COMvergence’s annual new business rankings, will assume responsibility for leading GroupM’s global proposition and go to market strategy as well as its growth, marketing, and communications teams and functions. The move is designed to further accelerate the company’s growth and solidify its position as the industry’s leading media investment and marketing partner.

Jenner will continue to oversee Wavemaker alongside his expanded remit. He brings over two decades of leadership experience in driving growth and managing operations at GroupM agencies MediaCom and Wavemaker, working across local, regional, and global roles in markets such as Australia, Singapore, the United States, and the United Kingdom.

“Toby’s deep understanding of client needs, industry knowledge, and track record as the industry’s most successful new business leader make him the best possible candidate to lead our growth and marketing efforts going forward,” said Christian Juhl, Global CEO of GroupM. “We have the strongest agencies in the business backed by the world’s most advanced media delivery platform and codified way of working underpinned by our unrivalled, scaled intelligence. Putting our story in Toby’s hands will give us a significant edge as we further strengthen our position and look to accelerate our growth in the months ahead.”

In his new role, Jenner will oversee strategy and operations for GroupM’s business development, growth, marketing, and communications to clients, employees, and industry audiences. He will work closely with agency and GroupM leadership to identify growth opportunities, develop integrated solutions that leverage the skills and expertise of the industry’s deepest bench of talent, and effectively communicate GroupM’s value proposition.

“Over the past year and a half, we’ve demonstrated the success of combining agency talent with GroupM’s Globally scaled technology and activation capabilities,” said Jenner. “I’m thrilled to have the opportunity to showcase our networked capabilities which we have been developing across GroupM to drive the next phase of growth for our organization. I look forward to collaborating with Christian, our agency leaders, and, just as importantly, the incredible talent we have across the world’s #1 media group to help drive our clients’ business impact and deliver them exceptional growth.”

Jenner’s appointment is part of GroupM’s ongoing business transformation to accelerate growth and innovation by unifying its teams and capabilities to provide more integrated, agile, and effective solutions for clients.


About GroupM

GroupM is WPP’s media investment group and the world’s leading media investment company with a mission to shape the next era of media where advertising works better for people. The company is responsible for more than $60 billion in annual media investment, as measured by the independent research bureau COMvergence. Through its global agencies Mindshare, Wavemaker, EssenceMediacom, and T&Pm, and cross-channel performance, data and technology, entertainment, and investment solutions, GroupM leverages a unique combination of global scale, expertise, and innovation to generate sustained value for clients wherever they do business. Discover more at

Media Contact

Jared Baiman
Associate Director, Global Communications
[email protected]