Ph.D., Eng., Institute Professor, has been a member of the Computer Systems Modelling and Performance Evaluation Group of the Institute of Theoretical and Applied Informatics, Polish Academy of Sciences, Gliwice, Poland, since 1994, where she has been serving as the Leader since 2018. Her main areas of research interest include performance modeling methods for computer networks, particularly the modeling of network traffic intensity and the quality of service (QoS) related problems.