Wavemaker's Tim Castree named GroupM North America CEO

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WPP’s GroupM has chosen Tim Castree to fill the vacant position of North America chief executive – a key role in its biggest market, which has been underperforming.

Castree, an Australian, has been global chief executive of Wavemaker and its predecessor MEC since January 2017.

GroupM, the world’s biggest media buyer, will conduct a search of both external and internal candidates to find Castree’s replacement at Wavemaker, which was formed by the merger of MEC and Maxus in January 2018.

Kelly Clark, global chief executive of GroupM, has been in temporary charge of GroupM North America for more than a year, after Brian Lesser quit to head AT&T’s advertising arm.

Read the full write up courtesy of Campaign UK here

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