Toby Hack will lead the media agency network across more than 50 markets. The network has also hired a new global client lead.
Watch the film conceptualised by DDB Mudra Group and PHD Media here.
The Omnicom Media Group agency won a global media review called due to a change in ownership.
The agency will be tasked with media strategy, planning and buying duties.
Stephenson will relocate to London to begin the new role in January 2022 and succeeds Avril Canavan, who left PHD after 11 years in the role to become a consultant.
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