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

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

H.E. Dr Zoran Tegeltija
Chairman of Council of Ministers of Bosnia and Herzegovina

H.E. Mr. Boyko Borissov
Prime Minister of Bulgaria

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

H.E. Mr. Avdullah Hoti 
Prime Minister of Kosovo

H.E. (tbn)
Prime Minister of Moldau

H.E. (tbc)
Prime Minister of Montenegro

H.E. Mr. Zoran Zaev
Prime Minister of North Macedonia

H.E. Mr. Janez Janša
Prime Minister of Slovenia

H.E. Mr. Denys Shmyhal
Prime Minister of Ukraine