Nedyalka Valcheva

1990 - Master’s degree program of "Technology of vegetable, food and flavor products" in University of Food Technologies, town Plovdiv, Bulgaria
From 1990 to 2016 - Lecturer at the Vocational High School of Chemical and Food Technologies "Prof. Аsen Zlatarov, PhD., town Dimitrovgrad, Bulgaria.
2014 - the dissertation on "Microflora of healing and spring waters in the Haskovo and Stara Zagora regions" at University of Food Technologies, town Plovdiv  with a Ph.D degree.
Since 2016 - Senior expert, organizer in Department of Biochemistry, Microbiology and Physics in Trakia University, town Stara Zagora, Bulgaria.
2023 - the dissertation on " Physical, chemical, and microbiological characteristics of mineral, mountain, and spring waters from Bulgaria, and biological properties of identified microorganisms” at Institute of Cryobiology and Food Technologies, Agricultural Academy, town Sofia, Bulgaria with a DSc.   
2024 - Lecturer at the Vocational High School "Prof. Аsen Zlatarov, PhD., town Dimitrovgrad, Bulgaria.