OMD elevates Ellen Griffin to President & Global COO
Ellen Griffin most recently served as Global Chief Client Solutions Officer
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Published: Aug 6, 2025 4:35 PM | 1 min read
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Omnicom Media Group’s flagship agency OMD has elevated Ellen Griffin to President and Global Chief Operating Officer (COO).
In her expanded role, she will be tasked with advancing bespoke operating models that enable global clients to scale innovation, drive marketing-led growth, and manage business transformation. Ellen will also draw on the broader capabilities of Omnicom Media Group and its network to deepen client value.
“In a time of accelerated disruption, even the most seasoned marketers are challenged to keep pace,” Griffin noted. “This role is about accelerating and scaling transformation—ensuring OMD delivers the expertise, tools, and operating models that give our clients a competitive edge today and resilience for tomorrow.”
Griffin most recently served as Global Chief Client Solutions Officer, and since joining OMD in 2018 as Global Innovation Director, she has played a key role in shaping the agency’s operating model, talent approach, and service capabilities.
The announcement was made by OMD Worldwide CEO George Manas, to whom Griffin will report directly.
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