Griffon Ventures plans downtown Detroit move

By Tom Henderson, Crain’s Detroit Business

Mars Advertising Inc. is growing beyond advertising. Ken Barnett, CEO of the Southfield-based ad agency, has founded a venture capital firm to invest in technologies that serve the shopper marketing niche Mars specializes in.

It’s a growth curve that may eventually lead the longtime fixture in Southfield — its 70,000-square-foot headquarters is on Telegraph Road north of 10 Mile — to move to downtown Detroit to be closer to all the entrepreneurial activity going on, said Barnett.

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