Nikolaos Marsellos, graduated the School of Civil Engineering at the National Technical University of Athens, (November, 1973).

He is also holding an MSc Degree, in Foundation Engineering, from Birmingham University, UK (1980).

He worked as a Materials Engineer from 1977 up to 1994, in technical Companies, abroad in Jeddah with ARCHIRODON Group, in the   Ministry of Public Works Laboratory, and in RMC Companies / ET BETON/ Italcementi Group.

By 1998 he joined AGET HERACLES Group and later LAFARGE Group, as a Consultant for Concrete Technology in Greece. Also, as a   Quality Consultant to Olympic Village 2004, etc.

By 2010 up today he partners with Greek and International companies with expertise – Senior Concrete Consultant, in Athens Opera with TERNA- Salini, in Projects in Syria, etc.

He was honored to serve as Member of the Committee for the preparation

of the Greek Concrete Technology Regulation, in 1985, in 1997, in 2011, (ΚΤΣ -97, etc.)

He has been a Speaker in many Greek Conferences, and Concrete Congress with the Technical Chamber of Greece (TEE).

Author of 2 books (in Greek) for Concrete Technology (1998, 2017).