Prof. Dr. Plamen Ralchev is a lecturer in international relations and a consultant in business diplomacy and strategic communications. Head of the International Relations Department at the University of National and World Economy in Sofia. He specialized at the Center for Strategic and International Studies in Washington, USA, and was a Chevening Fellow at the Department of Sociology at the University of Bristol, UK. He has been a guest lecturer at universities in Germany, Italy, Spain, the Czech Republic, Croatia, and Turkey.