With PhDs in both Clinical Psychology and Holistic Medicine, Dr. Carlos de León has spent more than 35 years in related research, study, and practitioner experience, particularly in the area of personal transformation.As the founder of the Mexican Association for Psychotherapy and Transpersonal Development, Carlos not only regularly shares his teachings, but also, and perhaps more significantly, has brought them together in the model of Ontogony, an inquiring discipline for the research, study, and development of liberating tools and paradigms.