Brand consultant Jim Carroll is the former Chairman of BBH London. In this episode, Jim talks about how good strategists should have a continuous stream of inputs to get to good outputs. Great planners, he says, bring the outside world into the agency, and act as psychotherapists to clients rather than doctors - uncovering insights, listening, and looking for patterns. He discusses the dangers of 'windtunnel marketing', how best practice can help raise the floor but can also risk lowering the ceiling, and why we need 'Cavaliers' in advertising as well as 'Roundheads.'

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