Ivan Kosalec holds Associate Professorship on Faculty of Pharmacy and Biochemistry University of Zagreb and he is a head of Department of Microbiology. Ivan teach courses on University's graduate studies of pharmacy, biochemistry and experimental biology. Besides teaching, he is scientifically focused on inhibition of virulence of medically importan yeasts. He study antimcirobial effects of susbtances of different origin in vitro. Last few years Ivan is occupied by systemic thought and traditional medicine.