President of the Foundation for Mental Health, Medical Psychiatrist, Mediator, Ministry of Justice, NIH Fellow, New York, University School of Medicine (New York)., Post Doctoral Fellow, Harvard University Medical School, Research Associate, Research Institute in Public Health New York, Independent Researcher, University of Chile, Research Visiting Felow, Center for Research on Effects of TV on Children, Kansas University, Visiting Scholar, Department Human Development, Texas University, Program Member (The Re- solving Conflict Creatively Pro-gram, NY), Invited Lecturer, University of Kent (England), Hospital de Guipúzcoa (Spain), Centro Oasis (Denmark), Lectured Seminars, Courses and Workshops at universities and health centers in Holland, USA and Canada, Coordinator in international conferences on group techniques (Holland, Denmark, England, Spain, USA, Canada). She has published, among others: “Social Violence” Editoria l Ariel. Reina Sofía Center for the Study of Violence Collection (coordinator) and “The critical look, a journey through power and cruelty”, Ediciones Nuevos Tiempos (co-author).