Christian Flèche is a psychotherapist and a master practitioner of Neuro-Linguistic Programming and the leader in the field of the biological decoding of the psycho-cerebro-physical effects of diseases that manifest in the body. He also is a practitioner of metaphor and symbolic modeling and uses Ericksonian hypnosis, psychogenealogy, and memorized biological cycles in his work. His workshops and seminars have influenced therapists throughout his homeland of France.