Departamento de Estudios Hispánicos y LusófonosSofia University "St. Kliment Ohridski"
Laboratory “Regulation of Gene Expression”Institute of Plant Physiology and Genetics (IPPG), Bulgarian Academy of Sciences (BAS)
Department of Plant Physiology/Faculty of BiologySofia University
Medical laboratory techniquesAl-maarif University College
University of Plovdiv
Faculty of Mathematics and InformaticsSofia University "St. Kliment Ohridski"
Cardiology departmentAcibadem City Clinic Cardiovascular Center
Faculty of MedicineSofia University "St. Kliment Ohridski"
Faculty of ConstructionHigher School of Civil Engineering (VSU) Lyuben Karavelov - Sofia
Lecturer/ Comprehensive Studies DepartmentUniversity of Library Studies and Information Technology
Historical museum - Veliko Turnovoassoc. professor
Law FacultyBurgas Free University
Technical FacultyRetired / University "Prof Dr Assen Zlatarov"
Bulgarian Academy of Sciences, Institute of Mineralogy and Crystallography
Department of Chemical technology, Faculty of Technical scienceBourgas Prof. Assen Zlatarov University
Faculty of Social Sciences
University of Burgas “Prof. D-r. Asen Zlatarov“ - Bulgaria
University Prof. Dr. Asen Zlatarov Department of Pedagogy and Teaching Methodology
PhD studentSofia University