Elżbieta U. Stolarczyk obtained her M.Sc. in chemistry from Faculty of Chemistry at University of Warsaw, Poland. In 2009 defended doctoral thesis at Medical University of Warsaw, Faculty of Pharmacy (Ph.D.). In September 2022 received a postdoctoral degree in Pharmaceutical Science (habilitation) at Faculty of Pharmacy, Medical University of Warsaw, Poland. Ph.D.D.Sc. Elżbieta Stolarczyk has over 20 years of professional experience in the field of research and development. Research expertise: active pharmaceutical ingredients (APIs), raw materials, drug products (FDP), excipients, nanomaterials; experimental techniques: gas chromatography (GC), liquid chromatography (HPLC), mass spectrometry (MS, GC-MS, LC-MS/MS), UV–Vis spectroscopy, IR spectroscopy; research activities/research interests - technologies, documentation, development of novel analytical methodologies, nanosynthesis, nanotechnology. She has extensive knowledge in the development of new analytical methods for assay and purity determination of starting materials, intermediates, residual solvents, impurity profiling, stress degradation studies, validation. Currently, she is an expert in analytics and control of pharmaceutical substances and finished drug product at National Medicines Institute. She is Head of Spectrometric Methods Department.