GroupM selects Maria Grivas as Rigg-Smith’s Mindshare CEO successor

GroupM has found its replacement for Katie Rigg-Smith in the Mindshare CEO role, as it has appointed Maria Grivas.

Grivas joins from IPG Mediabrands agency, Reprise, set to join in October this year. She is currently CEO of the digital agency, previously holding the role of chief digital and technology officer at UM Australia.

Grivas joins the ranks at GroupM

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