LONDON - Targetbase Claydon Heeley deputy chairman Leo Campbell has left the agency to concentrate on a consultancy he has founded with Ed Mason.
Mason and Campbell were two of the four partners in the agency's predecessor, Claydon Heeley International, which was sold to Omnicom in 1997 for £29m.
Their consultancy, named Mason Campbell, is focused on business strategy and already has a range of six clients in various sectors.
Campbell said: "I'll be sad to leave Omnicom but it is time to move on and start something new up again."
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