Konstantinos Vlachakis was born in 1992.
He graduated and received the Diploma of Civil Engineering from the National Technical University of Athens in 2016. Subsequently, he continued his postgraduate studies in Civil Engineering at NTUA. He is currently a PhD candidate, participating in several European research projects.
He has been politically active since his student years. As a professional, he is elected at the Technical Chamber of Greece. He participated in the municipal and parliamentary elections in 2019. In November 2021, after the 2nd Congress of Youth of SYRIZA, he was elected as the General Secretary of the Central Board.