2000-2003 - Toxicologist. Kyiv Municipal Emergency Hospital. ICU. Kyiv. 2001-2012 - Toxicologist. L.I. Medved’s Research Center of Preventive Toxicology, Food and Chemical Safety Ministry of Health, Ukraine. Kyiv 2012 - Successfully defended Ph.D. dissertation in Institute of Pharmacology and Toxicology of National Medical Academy of Science of Ukraine, Kyiv Ph.D work was devoted to the clinical and experimental study of the health effects of the chemical substance "hydroxylamine sulfate." The clinical part of the study includes examination and treatment results for over a hundred patients (agricultural workers) with acute poisoning of this chemical substance. In the experimental part, we investigate the hematotoxic effects of hydroxylamine sulfate in (SPF) Wistar Han rats in vivo and in vitro. 2013-2017 - Head of laboratory for experimental toxicology. L.I. Medved’s Research Center of Preventive Toxicology, Food and Chemical Safety, Ministry of Health, Ukraine. Kyiv. Principal investigator in research. 2017-present time - Private consultant. Toxicology expert. Risk assessment. Chemical and pesticide safety. GLP compliance. Creating and analyzing toxicological dossiers for registration purposes. 2022- 2025 - Assistant. Bukovinian State Medical University, Department of Hygiene and Ecology 2025-present time. Researcher. Ukrainian Medical Military Academy.