Konstantin Kutsarov is a long-time habilitated lecturer in the Department of Bulgarian Language at Plovdiv University "Paisii Hilendarski". He is currently the Dean of the Faculty of Philology. His scientific research is most often focused on theoretical grammar, in particular - on the morphology of the modern Bulgarian language, parts of speech, morphological categories, the participle system, general linguistics.
Kutsarov's latest professional development - the Bulgarian lexeme classes and the principles of teaching the parts of speech, is a successfully defended dissertation before an authoritative jury which conferred on him the degree "Doctor of Philology".