Marie Clayton Appointed Global Head of Platform Operations at Omnicom Media Group

Omnicom Media Group has appointed Marie Clayton as Global Head of Platform Operations, marking a significant leadership milestone as the organization continues to advance its global data, technology, and media operations capabilities.

Sharing the news, Marie expressed her excitement about stepping into the role and building on the experience she has gained throughout her journey across Omnicom Media Group, Annalect, and OMG UK. Her appointment reflects years of contribution to data, technology, and operational initiatives that have helped support the company's evolving media ecosystem.

In her new role, Marie will work within the Global Omnicom Media Operations team, helping shape the future of the Omni platform, Omnicom's operating system for orchestrating data, insights, planning, activation, and measurement across media and marketing activities.

The appointment comes at a time when media organizations are increasingly investing in technology platforms that unify data, automation, analytics, and campaign execution. As clients seek greater efficiency, transparency, and measurable outcomes, platform operations leaders play a critical role in ensuring these systems deliver value at scale across global markets.

Reflecting on her career journey, Marie thanked the colleagues, data leaders, technology experts, and agency teams she has worked alongside throughout her time at Annalect Global, Annalect EMEA, and OMG UK. She also expressed appreciation to Kate Osborne for the opportunity to join the Global Operations team and contribute to the ongoing evolution of the Omni platform.

As Global Head of Platform Operations, Marie will focus on strengthening operational processes, supporting platform innovation, and helping ensure the Omni ecosystem continues to meet the evolving needs of agencies, clients, and media teams worldwide.

Her appointment highlights Omnicom Media Group's continued investment in technology-driven transformation and the leaders responsible for delivering scalable, future-ready marketing operations.

About Omnicom Media Group:

Omnicom Media Group (OMG) is the media services division of Omnicom Group, providing media planning, buying, data, analytics, technology, and marketing solutions to clients worldwide. Through its agencies and technology platforms, OMG helps brands drive growth through integrated and data-driven marketing strategies.