Stevo Najman, PhD, is a full-time professor at the Faculty of Medicine, University of Niš. He defended his PhD dissertation in the field of regulation of myelopoiesis and phagocytic system at the University of Novi Sad. At the Faculty of Medicine, University of Niš, he is the head of Scientific Research Center for Biomedicine and gives lectures in the fields of cell and molecular biology, genetics, and laboratory techniques for students of medicine, dentistry, and pharmacy and also for biology students as a part-time professor at the Faculty of Science. He has published more than 130 scientific papers and seven books. His current fields of research are stem cell–based bone tissue engineering and models for testing of biologically active substances in vitro and in vivo.