Georgios P. Mastrotheodoros graduated from the department of Conservation of Antiquities and Works of Art (Technological Educational Institute, Athens) on 2006 and gained a Master of Science in Materials Chemistry and Technology [Materials Science and Engineering Dept., University of Ioannina/UoI, April 2009]. On 2016 he defended his PhD thesis (study of post-byzantine painting materials, conducted in UoI and the Archaeometry Laboratory, Institute of Nanoscience and Nanotechnology-INN, NCSR ‘Demokritos). From February 2017 to August 2018 was working in INN as an IKY fellow. In this framework, he identified the materials and techniques employed in several Greek, 16^th century wall paintings. 

His work is focused on the analytical investigation of ancient, medieval, and post-medieval artifacts. He has published 16 papers in international peer-reviewed journals (144 citations, h-index: 7), several articles in peer-reviewed proceedings and has also contributed chapters in a series of books. Moreover, he has presented his work in more than 30 regional and international conferences. Currently he works as adjunct lecturer in the department of Conservation of Antiquities and Works of Art (University of West Attica) and as a freelance conservator/restorator.