GroupM’s chief investment officer Seb Rennie resigns

November 6, 2017 9:29

The chief investment officer at WPP’s media agency group GroupM, Seb Rennie, has resigned from the agency after more than two years in the role.

Rennie, Australia’s top media trading executive, is looking to “pursue something different” GroupM’s CEO, Mark Lollback told Mumbrella this morning.

Lollback said Rennie has a long notice period with the media investment group, which purchases media on behalf of WPP’s agencies, and is welcome to stay as long as he wishes while the company does its “due diligence” in its search for a replacement.

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Abigail Dawson

Abigail Dawson was Mumbrella's senior content journalist covering event content. She left Mumbrella to move into an agency role in 2020.