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01. History

Starting in 1984, a path of quests, successes and realignments of its partners, brought about the creation of TETRAGON in 1999. Since then, the company widens the spectrum of its activities with successful collaborations and projects in Greece and abroad.

TETRAGON is a member of the OCTANORM worldwide network (OSPI Partner), the European Network of Science Centers and Museums ECSITE, participated in HELEXPRO Exhibition Constructions S.A., subsidiary of HELEXPO, and is certified with ISO 9001:2008.

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02. Team
Architects Eleni Vretzaki, Giotis Ioannidis and Ilias Papadopoulos, framed by able collaborators, architects, mouseologists, historians, designers, decorators, graphic designers and technicians, form the creative departments of TETRAGON.
Eleni Vretzaki profile photo
Eleni Vretzaki
  • Architect
  • Museum Design Director
Giotis Ioannidis
  • Architect
  • General Director
Ilias Papadopoulos
  • Architect
  • Design-Construction Director
Ioanna Papadopoulou
  • Architect
  • Design Department
Alexios Pissaridis
  • Architect
  • Implementation Department
Stratos Bacalis
  • Designer
  • Project Management
Eleni Konstantinou
  • Architect
  • Design Department
Spyros Tsafaras
  • Arceologist
  • Program Development
George Pehlivanides
  • Interaction Designer
  • Digital Applications and Graphics Department
Kostis Monastiridis
  • Software Developer
  • Digital Applications and Graphics Department
Kleopatra Alagialoglou
  • Architect - Museologist
  • Design Department
Iraklis Kalogeropoulos
  • Architect - Museologist
  • Design Department
Marianthi Koroksenidou
  • Architect - Museologist
  • Design Department
Elli Kariati
  • Architect
  • Design Department
Vassilis Mavropoulos
  • Graphic Designer
  • Digital Applications and Graphics Department
Eleni Tzimouraka
  • Management Secretariat
  • Project Management
Sylvia Giannakopoulou
  • Accountant
  • Finances Department
Anthi Oikonomou
  • Management secretary
  • Tenders and Contracts Department
Theodoros Haralambidis
  • Decorator
  • Construction Department

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03.Offices
Since 1986 TETRAGON is based in Thessaloniki, while in 2007 it built its own production and storage facilities in Sindos.