These are just some of the major businesses to whom John Butler has lectured on personal development and performance enhancement. Due to client confidentiality we cannot reveal what was taught and lectured on with each client.
Dr John Butler has over 27 years of proven experience amounting to approximately 30,000 hours as a successful clinical practitioner. He has been a therapist to a very wide range of individual clients, including many high-level performers in performing arts, the media and business.