Athanasios D. Panagopoulos (S’98, M’02, SM’09): was born in Athens, Greece on January 26, 1975. He received the Diploma Degree in Electrical and Computer Engineering (summa cum laude) and the Dr. Engineering Degree from National Technical University of Athens (NTUA) in July 1997 and in April 2002. From May 2002 to July 2003, he served the Technical Corps of Hellenic Army. From September 2003 to June 2007, he was part-time Assistant Professor in the School of Pedagogical and Technological Education. From January 2005 to May 2008, he was head of the Satellite Division of Hellenic Authority for the Information and Communication Security and Privacy. He has also worked for National Regulatory Authority for Post and Telecommunications. From May 2008 to May 2013 he was Lecturer in the School of Electrical and Computer Engineering of NTUA and now he is Full Professor (since Sept. 2021). He has published more than 180 papers in international journals and IEEE Transactions and more than 220 papers in conference proceedings. He has also published more than 35 Book Chapters in International Books. He is the recipient of URSI General Assembly Young Scientist Award in 2002 and 2005. He is co-recipient of the Best Paper Awards in IEEE RAWCON 2006 and IEEE ISWCS 2015. His research interests include radio communication systems design, wireless and satellite communications networks and the propagation effects on multiple access systems and on communication protocols. He participates to ITU-R and ETSI Study Groups, he is member of Technical Chamber of Greece and Senior Member of IEEE. He has served as Chairman of the IEEE Greek Communication Chapter for 8 years. He has led as Principal Investigator many R&D programs funded by EU and European Space Agency. Finally, he has served on the editorial boards in Elsevier Physical Communication, in IEEE Transactions on Antennas and Propagation and in IEEE Communication Letters.