Zbigniew Andrzej Rymarski received the M.Sc. degree in automatic control (1976), and the Ph.D. (1985) and D.Sc. (2010) degrees in electronics from the Silesian University of Technology, Gliwice, Poland, and the title of professor from the President of the Republic of Poland in 2021. He has the position of professor and deputy head of the department for scientific affairs at the Department of Electronics, Electrical Engineering and Microelectronics, Faculty of Automatic Control, Electronics and Computer Science, Silesian University of Technology, Gliwice, Poland. He is an author or co-author of over 100 technical journal papers, conference proceedings, and six technical books. He is the holder of 16 patents concerning power supply systems. His research interests include power-supplying systems, mainly their discrete and continuous control systems and their modelling and measuring in power systems.