- Roman Gálik, PhD., Full professor, dean, Faculty of Engineering, Slovak University of Agriculture in Nitra, Nitra (Slovakia)
- Milan Antonijevic, PhD, Full Professor, School of Chemistry & Chemical Engineering, University of Surrey, Guildford, England (United Kingdom)
- Polonca Trebše, PhD, Full professor, Faculty of Health Sciences, University of Ljubljana (Slovenia)
- Radomir Zejak, PhD, Full Professor, Faculty of Civil Engineering, University of Montenegro (Montenegro)
- Ines Kersan-Škabić, PhD, Full professor, Faculty of Economics and Tourism “Dr.Mijo Mirkovic”, Juraj Dobrila University of Pula, (Croatia)
- Štefan Žun, PhD, Higher Education Lecturer, Šolski Center Kranj (Slovenia)
- Dana Rad, PhD, Associate Professor, Faculty of Educational Sciences, Psychology and Social Sciences, Aurel Vlaicu University of Arad (Romania)
- Mustafa Özgenel, PhD, Associate Professor, Istanbul Sabahattin Zaim University, (Turkey)
- José Manuel Carvalho Vieira, PhD, Associate Professor, Univerisity of Maia (Portugal).
- Ilija Stojanović, PhD, Assistant Profesor, American University in the Emirates, Dubai (United Arab Emirates)
- Abraham Kabutey, PhD., Associate Professor, Faculty of Engineering, Czech University of Life Sciences Prague, Prague, (Czech Republic)
- Aleksandar Stojanović, PhD, Associate Professor, Faculty of Economics, Pale, University of East Sarajevo (Republic of Srpska, Bosnia and Herzegovina)
- Ihász Petra, PhD, Assistant Lecturer, English and American Studies Institute, University of Pannonia (Hungary).
- Plamen Zahariev, PhD, Full professor, University of Ruse “Angel Kanchev”, Ruse, (Bulgaria)
- Vladimir Popović, PhD, Full Professor, dean, Faculty of Mechanical Engineering, University of Belgrade, Belgrade (Serbia)
- Aleksandar Kupusinac, PhD, Full Professor, Faculty of Technical Sciences, University of Novi Sad, Novi Sad (Serbia)
- Andrija Zorić, PhD, Assistant Profesor, Faculty of Civil Engineering and Architecture University of Niš, (Serbia)
- Marica Popović, PhD, Research Associate Professor, Institute of Physics, Belgrade (Serbia)
- Dragana Markushev, PhD, Research Associate Professor, Institute of Physics, Belgrade (Serbia)
- Katarina Đorđević, PhD, Research Associate Professor, Vinča Institute of Nuclear Sciences, Belgrade (Serbia)
- Ljubica Diković, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Slobodanka Stankov, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Zorica Sagić, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Vesna Marjanović, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Zorica Tanasković, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Milovan Milivojević, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Dejan Milivojević, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Snežana Aksentijević, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Vesna Vasović, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Ljiljana Trumbulović, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Radomir Stojanović, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Đorđe Đuričić, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Nataša Ćirović, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Ivana Ćirović, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Gordana Lazić, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Momčilo Vasiljević, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Ivana Bojović, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Sandra Stojadinović Jovanović, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Aleksandar Milovanović, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Ivana Čeković, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Aleksandar Dimitijević, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Ana Petrović, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Slavka Mitričević, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Užice (Serbia)
- Mlađen Vićentić, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Valjevo (Serbia)
- Ilja Stanišević, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Valjevo (Serbia)
- Slobodan Ilić, PhD, Professor of Vocational Studies, Western Serbia Academy of Applied Studies, Valjevo (Serbia)