Sotirios Kokosis is a Teaching and Research Associate in the Department of Information Technology and Computers of the School of Electrical and Computer Engineering of the NTUA, from the academic year 2021-22. He is a graduate of the School of Electrical and Computer Engineering of NTUA (1992) and Doctor of Engineering of the same School (2016). He served as a permanent teacher in Secondary Education (2004-2021). He worked for many years as an engineer in the development of products of military specifications in the field of power electronics in the INTRACOM Group and as a firmware development engineer in the APTRONIC HELLAS S.A. company (Subsidiary of PHOENIX CONTACT Group).