ALFRED SONNENFELD holds a PhD in Medicine and Theology. He has been an expert member of the Ethics Commission of the Charité University Clinic in Berlin and a professor at the Faculty of Medicine of the Humboldt University of Berlin. In Germany he has frequently participated in radio and television debates and has given numerous lectures. He is currently a professor of Anthropology and Ethics at the International University of La Rioja (UNIR) and a postgraduate professor at the Complutense University of Madrid. His books include Ethical Leadership, 2020 Know Square Prize (Aula Magna McGrow-Hill); Serenity. The Wisdom of Governing Yourself, 4th ed. (translated into English in 2020); Educating to Mature. Neurobiological and Spiritual Advice for You and Your Children to Be Happy, 11th ed., 2019 and Harmony. The Surprising Communication in Couples, 2020.