Kostas received his BSc and MSc from the University of Athens (NKUA) in 2008 and 2012, respectively. In 2016, he received his PhD in machine learning techniques in mobile networks from the same university. After more than a decade working as a research engineer in numerous European projects, he joined Saphetor in 2020. Over the past few years, he has been mostly interested in web applications and AI, specializing in backend development and machine learning. He is also the author of several peer-reviewed academic papers and patents.