Dr Dietrich Klinghardt MD, PhD, is Founder of the Klinghardt Institute (UK) and Klinghardt Education (UK), the American Association of Neural Therapy and is lead clinician at the Sophia Health Institute, located in Woodinville, Washington. He is also Founder and Chairman of the Institute for Neurobiology (Germany).

Dr Klinghardt has developed a comprehensive biofeedback diagnostic system known as A.R.T. (Autonomic Response Testing). Klinghardt Education, founded together with his partner in life Daniela Deiosso in the UK, is the only place where Dr Klinghardt personally teaches his A.R.T. technique from the Basic Level through to the Advanced courses. His 5 levels of Healing method, A.R.T. course materials, protocols and further information, including on-line courses, can be found on his only official website.