Dimitris Bourantas is Professor of Management and Executive Director of both the Executive MBA and the MSc. in Human Resources Management at the University of Economics and Business in Athens. He has published a large number of articles in valid international scientific journals. In addition, he has written 10 books, of which the following have become best sellers: “Management”, “Human Resources Management”, and “Leadership: The Way of Perpetual Success”. His novel “I have taught you everything but I forgot a word” won the Reader Prize, and had been in the best-selling listings for four consecutive years. In addition, his books “On the stage without rehearsals”, “The Letter of Hope”, “Talking to my children about the truly successful professional and personal life”, “The great philosophers and the personal Management”, and his book “Scream of Silence”, had been found in the best-selling listings for several months.