, will be join 2Heads as managing director of its UK office.
In this role, Vallee will be responsible for supporting and developing the 2Heads management team and leading the Buckinghamshire-based agency in its continued growth.
Vallee joined GPJ in 1999 as account director and progressed through the company as global account director and VP Operations.
2Heads chairman, Pepe Parra, said: "Olivier has delivered very large campaigns and events, perfectly understanding client needs while managing internal services and leading a large, complex business. His breadth of experience will support and sustain 2Heads’ growth trajectory."
Vallee added: "2Heads has a hugely exciting future and I’m delighted to be part of it. There’s an amazing talent pool here, and to help cultivate a deep understanding of clients, their brands and their audiences, we’ll be nurturing, training, and educating, as well as giving staff the tools to evolve within a rapidly-changing marketplace.
"I’m looking forward to developing a tremendous platform that will enable the sharing and learning of different skills and experiences."
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