Jesper Juul (1948-2019), a Danish family therapist, lecturer, author and educator who founded support centers in 15 countries around the world, and whose titles have been published in more than 30 countries. Over the past two decades, he has formulated a new approach to the upbringing, development and socialization of children. The basic idea of ​​his work was to inspire and support parents and professionals so that children could grow up mentally and socially healthy. He did this by providing an effective and applicable alternative to the violent and abusive methods of upbringing to which children are still often exposed today.