M.Sc. (1982), Ph.D. (1993), D.Sc. (2008); Passive microwave circuits, Dielectric resonator and HTS filters, Microwave measurements of dielectrics; Professor; Head of the Microwave Circuits and Instrumentation Division; Head of Doctoral Studies at Faculty of Electronic and Information Technology, Warsaw University of Technology, Vice-Chairman of the Election Committee at Warsaw University of Technology (2015-); Expert of the Signals, Systems and Electronic Circuits Section of the Committee of Electronics and Telecommunications of the Polish Academy of Sciences (2009-), Member of Microwaves Section of the Committee of Electronics and Telecommunication of the Polish Academy of Sciences (2007- ), Senior Member IEEE, Vice-Chairman (2003-2007, 2009-2010), Secretary/Treasurer (1996-2000) of the AP/AES/MTT joint Chapter of the IEEE Poland Section; Member of the National Committee of URSI (2000-2002); Member of the Editorial Board IEEE Transactions on Microwave Theory and Technique, IEEE Microwave and Wireless Components Letters, IEEE Transactions on Advanced Packaging, IEEE Microwave and Wireless Components Letters, IEEE Transactions on Advanced Packing, IEEE Microwave Magazine, Electronics Letters and International Journal of Electronics and Telecommunications; Member of the Scientific Committee of the International Conference on Microwaves, Radar and Wireless Communications MIKON; Member of the ESS Collaboration Board, Polish Electronic Group (PEG) Board Member