Alexandros Nikolaidis obtained his BSc in Chemistry in 2004 and his MSc degree in “Processes and Technology of Advanced Materials” in 2006. In 2012, he got his PhD degree in the field of “Synthesis, Kinetics and Characterization of Properties of Nanocomposites Based on Polymethacrylates”. He has been employed in the building chemicals and mortars industry as a research and development manager. From 2012 until 2015, he worked in the Centre of Research and Technology Hellas (CERTH). Since 2015, he has been working in the School of Dentistry (AUTh). He has published over 20 papers in peer-reviewed scientific journals.