Konstantinos, the son of the civil engineer Mr. Vasilis Zervas and the philologist Mrs Lilika Zerva-Orologa, is a graduate of the Experimental school of the University of Thessaloniki and holds a B.A. and postgraduate degree (Msc) with scholarship and distinction grade from the Aristotle and Brown University (USA) respectively in Civil Engineering.
Since 1990 Konstantinos has started running his own office in Thessaloniki as a civil engineer and has overseen as a technical consultant big projects like the construction of the Finikas Football Sports Center. From 2010 to 2016 he was a member of the Board of Directors of Attiko Metro sa. Between 2011 and 2014 he served as the Chairman of the State Orchestra Board of Thessaloniki (SOB) and in 2013 he was elected as a member of the Central Representation of the Technical Chamber of Greece and the Regional Department of Central Macedonia.
His first foray into politics was in 2010 as an elected councilman in the City of Thessaloniki, followed by his appointment as the Deputy Mayor for the Environment, Quality of Life and Free Spaces (2011-2014). In 2013 Konstantinos was assigned as the Permanent Deputy Mayor and in 2014 he took over as a Deputy Mayor for Citizen Mobilization, Youth and Sports. In 2018 he officially announced his candidacy as a Mayor for the local elections of 2019 and won 67% of the votes, a historic score for municipal history of the city.
Konstantinos authored a book in 2019 entitled «λεύκες ή χαμαίρωπες; Σκέψεις για την Θεσσαλονίκη και την πολιτική». The motto that has been the lodestar of his life and his career is ¨ask not what your city can do for you, ask what you can do for your city¨.