John Kollias joined Grivalia as Technical Manager in September 2014. Prior to his joining the team, John was providing the Company his services as Technical Consultant since 2006. He now holds the same role as part of the Grivalia team, with regard to the existing portfolio and new investments.

John has extensive experience in large private and public construction works, as Construction Manager and Project Manager, following co operations with construction companies such as ATE GNOMON, METRIK, e.t.c. In the past, he has held positions as Maintenance & Facilities Manager with EMMS S.A. and Technical Consultant offering Project Management & Facilities Management services with Eurobank Property Services S.A.

He holds a degree in Mechanical Engineering from the Polytechnic School of Aristotelio University of Thessaloniki, with specialization in the energy sector.