President of BSU

(North Macedonian Speleological Federation)

Vice-President of BSU

(Hellenic Federation of Speleology)

Secretary General & Treasurer

(The Speleological Committee of the Croatian Mountaineering Association)

Member of the BSU Bureau

(Federation of Speleological Organizations of Serbia)

Member of the BSU Bureau

(Speleological Association of Slovenia)

Honorary President

(Bulgarian Caving Society)