Petya Emilova Marinova is an Associate Professor at the Department of General and Inorganic Chemistry with Methodology of Chemistry Education in the Faculty of Chemistry. She graduated from the University of Prof. Dr. Asen Zlatarov-Burgas with a major in Chemistry and professional qualifications in chemistry teaching in 2001. In 2005, she was appointed as an Assistant at Paisiy Hilendarski PU, promoted to Senior Assistant in 2007, Assistant Professor in 2010, Doctor in 2011, and Associate Professor in 2015. Dr. Marinova is the head and a member of three national contracts at the Scientific Research Institute of the Ministry of Education and Culture, and a member of one international project. Her research interests relate to the study of the complex-forming ability of many biologically active organic ligands with ions of transition metals. She isolates the obtained metal complexes in pure form, and subsequently characterizes them, with a view to investigating their cytotoxic and antimicrobial action. She also aims to find potential practical applications in the fields of medicine, agricultural science, and practice.