Professor of Universidad de La Laguna (Spain) with 39 work experience years in Education at all levels (last 32 at the university) Have done research or counselling assistant in United States of América, Canada, Cuba, México, Colombia, Venezuela, and have participate in many international Congress as invited lecturer in Irland, Germany, France, Perú, Puerto Rico, México, Chile as well as international member of Doctoral Thesis Jury in Belgium and Venezuela. Interest areas of research Sex Education and Gender, Masculinities and Violence, Educational Programmes on violence prevention. Head research in some European Projects and author of more than 100 books, chapters and articles (JCR and Scopus) in English, German, French, Spanish and Polish. Have also published in the four official languages of Spain. Galego, Euskera, Catalan and Spanish.