As a senior university lecturer and former management and education consultant, Dr. Ilker Cingillioglu has been working in the field of educational and organizational development, leadership, and workplace psychology for over 10 years. He is the author of the worldwide selling book: "Principles of the 21st Century Leadership" in which he introduced unique concepts and models including the 7 Rules of Leadership, 5Cs of Successful Organizations and the Traditional Leadership Styles Matrix.