Konstantinos Masselos is the BEREC Chair 2023 and the President of the Hellenic Telecommunications and Post Commission (EETT).  In 2006, he joined the University of Peloponnese as a Professor in Computing Systems Design in the Department of Informatics and Telecommunications. He served as Rector of the abovementioned university from 2012 to 2017. Between 2005 and 2008, he was Lecturer in the Department of Electrical and Electronic Engineering at Imperial College London. Also, during the period 2010-2016, he was an Honorary Lecturer in that same Department. From 2001 to 2004, he worked in the Greek electronic communications industry. Prof. Masselos has been involved in several research and development projects and has a long consulting experience in industry and public organisations. Since 2005, he has regularly been involved as an expert in various European Commission units. He was a member of the Scientific Committee of European Cooperation in Science and Technology (COST) from 2015 to 2017. He has authored over 120 papers in international journals and conferences.