Ivan Kushkevych is a microbiologist who got his Ph.D. degree in Microbiology in 2010. His PhD thesis was entitled: "Influence of heavy metals salts on physiological and biochemical characteristics of the sulfur cycle bacteria". He also has received a Degree of Doctor of Biological Sciences (Dr.Sc.) in Microbiology (2016). He obtained a second Ph.

D. degree in Pharmacology and Toxicology in 2021. His Ph.D. thesis was entitled: Testing the cytotoxicity and biological effects of salicylamide derivatives against intestinal sulfate-reducing bacteria". Dr. Kushkevych did several research internships at the Laboratory of Molecular Biology at Institute Pharmacological Research Mario Negri (2013, Milan, Italy), and other research laboratories at University of Valencia (2018), University of Barcelona, Spain (2020, 2021, 2022), University of Agriculture in Krakow, Poland (2021). Dr.

Kushkevych's research focuses on the physiological and biochemical features of sulfate-reducing microorganisms and their functional role in the development of bowel diseases in both humans and animals. He is a single author of the book entitled: "Intestinal Sulfate-Reducing Bacteria" (2017), and the author in several chapters of other books, among them: "Sulfate Source and Its Role in the Development of Colitis" of the book: "Colitis: Causes, Diagnosis and Treatment", Nova Science Publishers, Inc., Hauppauge, New York, United States (2019); "Isolation and Purification of Sulfate-Reducing Bacteria" of the book: Microorganisms, IntechOpen, London, United Kingdom (2019); "Effect of intestinal microbiome, antibiotics, and probiotics in the prevention and management of ulcerative colitis" of the book: "Probiotics in the Prevention and Management of Human Diseases: A Scientific Perspective", Elsevier Academic Press (2022). The author worked previously at the Department of Human Pharmacology and Toxicology at University of Veterinary and Pharmaceutical Sciences (Brno, Czech Republic) and currently works as an Associate Professor at the Department of Experimental Biology (Section of Microbiology), Faculty of Science at Masaryk University. He teaches: General Microbiology, Bacterial Physiology and Biochemistry, Cytology and Morphology of Bacteria.