Prof. DSc Irena Kostova is one of the World's Top 1% of scientists according to Elsevier's and Stanford University's ranking of scientists with the greatest contribution to the development of modern science. She is an author of 200 publications with high impact factor and h-index, several textbooks, education book materials and monographs with more than 7000 citations in indexed journals. She is a member of the Editorial Boards of over 25 international journals, and an Editor of 7 prestigious international scientific journals. The main scientific interests and major contributions of Prof. Irena Kostova lie in the field of medicinal chemistry.