Seb Rennie to replace Danny Bass as head of GroupM investment

Seb Rennie

Rennie

GroupM has appointed MEC head of trading Seb Rennie as its new investment director for the holding group.

The appointment comes after today’s surprise defection by Danny Bass who announced he was moving to IPG Mediabrands to be its CEO.

“Seb is one of our brightest talents and is widely respected in the market by both media owners, clients and competitors,” said John Steedman, chairman and CEO of GroupM. 

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