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Duncan McColl is a practising member of the International Association of Precision Therapists, the International Society for Professional Hypnosis (USA) and is a biofeedback, behavioural and management science consultant. He served as a pilot in the RAF during World War II, later qualifying as a chartered accountant.
He spent forty years abroad, chiefly as a senior financial and marketing executive in American multinational companies, visiting some fifty countries, and qualifying as a behavioural science instructor and Gestalt therapist. Since 1982 he has worked as a hypnoanalyst and has provided training in precision analysis for experienced therapists and medical staff from Britain and overseas.
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