Prof. Dr. Prof. h.c. Egon Spiegel is the Chair of Practical Theology – Pedagogics of Religion and Pastoral Theology at the University of Vechta, Germany. Dr. George Mutalemwa is a Senior Lecturer in Development Studies at St. Augustine University of Tanzania, and Executive Secretary of the Association of Catholic Universities and Higher Institutes of Africa and Madagascar. Prof. Dr. Cheng Liu is a Professor of History and the UNESCO Chair of Peace Studies at Nanjing University, China. Prof. Dr. Lester R. Kurtz is a Professor of Public Sociology at George Mason University, USA, and a faculty affiliate of the Jimmy and Rosalynn Carter School of Peace and Conflict Resolution.