Martin Valkov holds a B.A. in History and an M.A. in International Relations from the Sofia University "St. Kliment Ohridski" and an M.A. from the Central European University. In 2015 he received his PhD degree in History from the Sofia University. His doctoral thesis was entitled "The Bulgarian Military-Administrative Rule in the Regions of the Pomoravlje, Kosovo, and Vardar Macedonia, 1915-1918". Martin Valkov's main research interests include the history of the First World War, the role of international law in the wars of the 20th century, occupation and occupation regimes, military violence and armed resistance movements. His current project studies the history of war crime tribunals, established in Bulgaria after the First Word War, to trial alleged wrongdoings, committed by Bulgarian authorities against foreign nationals, both in the occupied territories and on Bulgarian soil.