Marko Zeljko, M.Sc., works as Research Assistant at the Department of Biotechnology, Faculty of Technology Novi Sad, University of Novi Sad in Novi Sad, Serbia. Marko has a B.Sc. in 2021 and an M.Sc. in 2022 from the Faculty of Technology in Novi Sad. Currently, he is in his Ph.D. studies at the Faculty of Technology in Novi Sad. His research interests mainly focus on biotechnology, bioprocess engineering, industrial microbiology, and the valorization of agro-industrial wastes and by-products.