Dr. Heinz Fischer
President of Austria (2004 - 2016)

H.E. Mr. Edi Rama 
Prime Minister of Albania

H.E. Ms. Borjana Krišto (tbc)
Chairwoman of Council of Ministers of Bosnia and Herzegovina

H.E. Ms. / H.E. Mr. (tbn)
Prime Minister of Bulgaria

H.E. Mr. Andrej Plenković
Prime Minister of Croatia

H.E. Mr. Albin Kurti  
Prime Minister of Kosovo

H.E. Mr. Dorin Recean 
Prime Minister of Moldova

H.E. Mr. Dritan Abazović
Prime Minister of Montenegro

H.E. Mr. Dimitar Kovachevski
Prime Minister of North Macedonia