Carruthers was most recently an independent consultant, trading as The Encounter Business. Prior to that he worked in the strategy and brand alignment groups within Interbrand, as a consultant to Powergen and Shell UK, as a director at Added Value and as an account director at Millward Brown.

ICM Group management director Andrew Wiseman said: “I’m delighted to welcome Iain to ICM where we believe passionately that the success of our own and our clients’ business depends on the strength and commitment of our team. I’m looking forward to seeing the exciting contribution that Iain will make to our work.”