Zbigniew Czaja was born in Czluchow, Poland, in 1970. He graduated from Gdansk University of Technology, Faculty of Electronics, Telecommunications and Informatics in 1995. The Ph.D. degree in electronics was received in 2001 from the same university. He worked as assistant professor at this university from 2002 to 2013. In 2014, he qualified as an associate professor, and in 2017, as a professor. His research interests are in technical diagnosis, especially for fault diagnosis of electronic analog circuits, and electronic mixed-signal embedded systems. He is also interested in applications of small 8-bit microcontrollers. He is the author and coauthor of more than 75 scientific papers published in international and national journals and conference proceedings.