Taha Selim Ustun received his Ph.D. degree in electrical engineering from Victoria University, Melbourne, VIC, Australia. Currently, he is a researcher at Fukushima Renewable Energy Institute, AIST (FREA) and leads the Smart Grid Cybersecurity Lab. Prior to that he was an Assistant Professor of Electrical Engineering with the School of Electrical and Computer Engineering, Carnegie Mellon University, Pittsburgh, PA, USA. His research focuses on novel protection challenges that are encountered in new generation power systems, particularly in the development of new protection coordination techniques, communication approaches and testing procedures. With the aim of achieving duplicable and scalable solutions, his research also focuses on standards such as IEC 61850. Recently, his research has concentrated on achieving safe and reliable operation under cyberattacks given the unprecedented cybersecurity vulnerabilities inherent in highly connected smart grids.