Mario is one of the most knowledgeable entomologists in Bulgaria. He has an MSc in Entomology for the University of Sofia. In 2002 he achieved a PhD in the Institute of Zoology, Bulgarian Academy of Sciences.
Author of many scientific publications including the 2022 book ‘The Butterflies of Bulgaria’. He also participates in many scientific projects in the country and abroad.
Mario is one of the best guides, excelling in butterflies and dragonflies and he is also very knowledgeable in Bulgarian history.