Picture for author John Overdurf

John Overdurf

Julie Silverthorn MS and John Overdurf CAC are highly respected international therapists and trainers of hypnotherapy and NLP, with over thirty years of combined experience. They are both certified Master Trainers of NLP and are the developers of Humanistic Neuro-Linguistic Psychology, which integrates hypnosis, neuro-linguistics, quantum theory and spirituality. Julie has a master's degree in clinical psychology, while John is a certified addictions counsellor and a former instructor of psychology.

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Books by John Overdurf