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GroupM appoints Colin Barlow Global Chief Operating Officer

27 August, 2014


NEW YORK — GroupM announced today the appointment of Colin Barlow to the role of Chief Operating Officer for GroupM Global. In this new role he will lead financial oversight, acquisitions, corporate partnerships, operational efficiencies of tools, systems and processes. He will also contribute to the oversight of trading operations.

Barlow has served as GroupM Global Chief Financial Officer (CFO) since 2007. In that role he was responsible for all financial and information technology management activities for GroupM operating companies, which include Maxus, MEC, MediaCom, Mindshare and Xaxis. Prior to 2007, Barlow served as CFO of GroupM EMEA, and has previously worked at companies including Razorfish and Arthur Andersen, the company in which he joined after graduating as an electronics and software engineer.

Barlow reports to Dominic Proctor, President of GroupM Global, and is based at the company’s North America headquarters in New York City. His role is effective immediately. Stuart Diamond, previously the GroupM North America CFO, will succeed Barlow as the company’s Global CFO.

“We have ambitious plans to continue to grow our business rapidly, and to do so, it has been clear to me that we need to strengthen the management team. The creation of this role is in line with our efforts to increase effectiveness across our operations, and to continue to provide our agencies with outstanding operational efficiencies,” said Proctor of Barlow’s appointment. “Colin’s combined background in finance and technology make him the perfect individual for this new COO role. With his experience, he will be able to effectively provide strategy and leadership with our teams across finance, technology, analytics/data, trading and global human resources.”

Barlow commented of his appointment: “Over the last years, the activities of media agencies have become incredibly complex. Our agencies strive furiously to simplify and help navigate media complexity, while at the same time delivering in depth insight and excellent execution. I’m passionate about building the platforms and partnerships that can help the agencies deliver in the 100-plus markets in which we operate.”

GroupM is the leading global media investment management operation. It serves as the parent company to WPP media agencies including Maxus, MEC, MediaCom, and Mindshare.  Our primary purpose is to maximize the performance of WPP’s media communications agencies on behalf of our clients, our stakeholders and our people by operating as a parent and collaborator in performance-enhancing activities such as trading, content creation, sports, digital, finance, proprietary tool development and other business-critical capabilities. The agencies that comprise GroupM are all global operations in their own right with leading market positions. The focus of GroupM is the intelligent application of physical and intellectual scale to benefit trading, innovation, and new communication services, to bring competitive advantage to our clients and our companies. Discover more about GroupM and our agencies at

Cindy Kerber Spellman, GroupM           
Office: 314-682-2055; Email:

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