Yezerska Oksana was born in Lviv, Ukraine. 2010– 2013: PhD degree in Pharmacy, Department Drug Technology and Biopharmaceutics in Danylo Halytsky Lviv National Medical University. Thesis: “Development of composition, technology, and investigation of tablets with cichory and corn extract" 2019: Associate professor of Department Drug Technology and Biopharmaceutics in Danylo Halytsky Lviv National Medical University. Areas of interest: Development of composition, technology, and standardization medicines based on medicinal plant raw material. Elaboration of analytical procedures of identification and determination of flavonoids and other biologically active substances of natural origin.