Charalambos is a Civil Engineer, a member of the Technical Chamber of Greece and a holder of Class IV (the highest) MEK in construction. In 1997 he established the architectural practice XK. Stathakopoulos SA, of which he is Chairman and CEO until today. He has been working in construction industry since 1992 and has implemented a number of private projects, mainly hotels, luxury residences in northern suburbs as well as industrial buildings, with particular emphasis on the quality of construction and the application of new technologies.
