Nikos Hatziargyriou is since 1984 with the Electrical and Computer Engineering School, National Technical University of Athens (NTUA), Professor in Power Systems since 1995, and Professor Emeritus since 2022. He is also part-time Professor at the University of Vaasa, Finland. He is visiting professor at Tsinghua and Hefei Universities. He has over 10 years of industrial experience as Chairman and CEO of the Hellenic Distribution Network Operator (HEDNO) (2015-2019) and as Executive Vice-Chair and Deputy CEO of the Public Power Corporation (PPC) (2007-2012), responsible for the Transmission and Distribution and the Islands Divisions. He has authored more than 400 journal and 600 conference proceedings papers. He is included in Thomson Reuters and Web of Science lists of top 1% most cited researchers and in global lists of top 2% Scientists by Stanford University. He is Life Fellow of IEEE, Fellow of CSEE and honorary member of CIGRE. He is 2020 Globe Energy Prize laureate, recipient of the 2017 IEEE/PES Prabha S. Kundur Power System Dynamics and Control Award and the 2023 IEEE Herman Halperin Electric Transmission and Distribution Award. He was the Chair of the Power System Dynamic Performance Committee of IEEE and Editor in Chief of the IEEE Transactions on Power Systems. He is currently EiC-at-Large for IEEE PES Transactions.