Nabyieva Gulnaz graduated from the Faculty of Philology and World Languages of Al-Farabi KazNU in 2013 with a degree in 5B01117 - Kazakh language and literature, in 2015 with a degree in 6M021300 - Linguistics, in 2021 with a degree in 6D021300 - Linguistics and is currently working on a PhD dissertation on the topic "Code switching in the context of Languagecompetition". Gulnaz Serikovna has worked as a department specialist, chief specialist of the Academic Council of the University, chief specialist of the HR Departament, senior lecturer in the Department of General Linguistics and European Languages (currently the Department of Turkic Studies and Theory of Language) of the Kazakh National University. al-Farabi. Nabyieva Gulnaz Serikovna underwent several foreign internships (Winter School of Ataturk University: Theory and Methods of Teaching a Foreign Language, Turkey; Summer School of Utrecht University, Netherlands; Internship in Corpus Linguistics, Higher School of Economics, Moscow, RF). In addition, as an executor of the research project "Language Choice: From a Multilingual Situation to Interpersonal Relations" of the Science Committee of the Ministry of Education and Science of the Republic of Kazakhstan, she trained at St. Petersburg State University and Frankfurt University, Germany.