Dr. Theodoros Semertzidis is a Research Fellow at the Information Technologies Institute (ITI) of the Centre for Research and Technology Hellas (CERTH), where he has been active since 2006. He holds a Diploma in Electrical and Computer Engineering from Democritus University of Thrace, Greece (2004), an M.Sc.(2009), and a Ph.D.(2017) in Electrical and Computer Engineering from the Aristotle University of Thessaloniki, Greece. His doctoral research focused on “Multimedia Big Data Analysis and Retrieval.”

Dr. Semertzidis has contributed to more than 25 EU-funded research projects, many of which address challenges related to fighting crime and terrorism, cybersecurity, and critical infrastructure protection, among other areas. He has held key roles such as Work Package Leader, Technical Manager, and Project Coordinator.

His research interests span Artificial Intelligence, Machine and Deep Learning, Multimedia Big Data Analysis and Retrieval, Distributed and Embedded Systems, Internet Applications, Databases, and Social Networks. He has authored or co-authored over 50 publications in peer-reviewed journals, international conferences, and book chapters. In recognition of his contributions, he received the IET Intelligent Transport Systems Premium Award in 2012. Currently, his research is focused on AI model correction and alignment, machine unlearning methodologies, and the development of robust and trustworthy AI systems.