José M. Martínez is Adult Psychiatrist and Child and Adolescent Psychiatrist, Trainer and Supervisor Transactional Analyst (I.T.A.A.-E.A.T.A.) and International Integrative Psychotherapy Trainer and Supervisor (I.I.P.A.). He served as an Associate Professor of Psychiatry in the Psychiatry Department at the School of Medicine of the Valladolid University. He is the Director fo the Institute of Transactional Analysis and Integrative Psychotherapy (I.A.T.P.I.) in Valladolid (Spain). Awarded the EATA Silver Medal in 2024 for his contributions to Transactional Analysis. He has published over 80 articles in professional journals. He is the author of the book "Intersubjectivity in Psychotherapy", published in 2025.