Raphaël Nogier, born in 1953, is a physician in Lyon, France, where he has practiced auriculotherapy exclusively since 1985. Author of several books on auriculotherapy and on nutrition, he has taught in twenty-five countries, mainly in Germany, Scandinavia, Italy, the USA, Algeria, South America, New Zealand and Japan. He has participated in several meetings organised by the World Health Organization for the standardization of the nomenclature and practice of auriculotherapy. He belongs to the French medical school for which semiology remains the irreplaceable framework of the art of diagnosis in medicine.

Anthony de Sousa, born in 1943, is a physician in Geneva, Switzerland and has been practising auriculotherapy since 1983. He trained at the GLEM (Lyon Group for Medical Studies) from 1979 and collaborated with Paul Nogier in his research group in Lyon until 1996. He has been teaching RAC techniques for more than 30 years at the GLEM and at the AGMAR () (French Swiss Acupuncture Association) in Geneva and has also had the opportunity¬ to teach in Australia, New Zealand and Norway. He was an expert at the WHO meeting (World Health Organization) on auriculotherapy in 1990 in Lyon.