UK-based role reports to global CEO Guy Marks.
The holding company highlighted growth in India in Asia, while noting ongoing challenges in China.
The guide is designed to urge brands to continue producing ethically sound ads while emphasising commercial benefits of doing so.
Ad features a rendition of Charli XCX's Boys.
Its AI positioning has led to new business from blue chips, the group said.
First results under new group chief executive Zaid Al-Qassab.
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