Maciej Sobieraj received his Master's degree in electronics and telecommunications from Poznan University of Technology, Poland, in 2008. Then, in 2014, he obtained a Ph.D. degree in the field of telecommunication networks. Since 2007, he has been working at Poznan University of Technology, Poland, first at the Chair of Communications and Computer Networks at the Faculty of Electronics and Telecommunications, and then, since 2019, at the Institute of Communications and Computer Networks at the Faculty of Computing and Telecommunications. He is the co-author of more than 50 scientific papers. Maciej Sobieraj is engaged in research in the area of modeling multi-service cellular systems and switching networks and traffic engineering in TCP/IP networks. In recent years, Dr. Sobieraj has been involved in research related to elastic optical networks.