He graduated from the Faculty of Biology and Earth Sciences of the University of Lodz (1990). In 1993, the Council of the same Faculty awarded him a doctorate in microbiology with a specialty in bacterial genetics. As a JSPS grantee, from 1994 to 1995 he was a research intern in the laboratory of prof. Yoshikatsu Murooka, at Hiroshima University. In 1999, he obtained a postdoctoral degree from the Council of the Faculty of Biology and Earth Sciences at the University of Lodz. Subsequently, from 1999 to 2003, he conducted research as a Fulbright scholar for 9 months and as a "postdoc" in the laboratory of Prof. Malini Rajagopalan at the University of Texas. He was awarded the title of professor by the President of Poland in 2008. Since 2004, prof. Dziadek heads the Laboratory of Mycobacterium Genetics and Physiology at the Institute of Medical Biology, Polish Academy of Sciences, and has served as Director of IBM PAN since 2013. Prof. Dziadek previously served as a vice president of the Committee on Microbiology of the Polish Academy of Sciences and is currently holding the position of vice president of the Committee on Molecular Biology of the Unit of the Polish Academy of Sciences.
Prof. Dziadek is a specialist in microbiology, and his scientific work involves the molecular genetics of mycobacteria. He is an author and co-author of more than 100 scientific papers, many of which have been published in prestigious journals with high citation rates. Prof. Dziadek has directed numerous national and international scientific grants and has supervised the successful completion of 10 PhD dissertations, most of which were defended at the Faculty of Biology and Environmental Protection at the University of Lodz.