Athanasios Chairis graduated with high honors in 2011 from the Department of Architecture of the Technical University of Crete, Greece. During his studies, he received scholarships thanks to his academic achievements; he participated in research programs and was elected president of the Student Administration Board of the Department of Architecture.

In the past he has worked in the architectural practice Mob Architects in Athens, the architectural practice of A. Vazakas – M. Mandalaki in Chania, Crete and has modified and designed residential and commercial buildings. Furthermore, during the academic year 2009-2010, he was appointed teaching assistant for the subject “Digital technologies in architectural design”.

He has participated in projects published in DOMES magazine (Greek Architecture Review 2011) and exhibited in expositions as the “7th Biennale of Young Greek Architects” (Benaki Museum, Athens, 2013), the “1st Architecture Biennale in Thessaloniki” covering the subject "Architecture and the City in South East Europe" etc. In the meantime, he participated in various international and Greek architectural competitions as the study for a “Construction-Landmark” in a central pier of Faliro Bay in Attica, the “Design and Reutilization of the West Shipyard” of Heraklion, Crete, the design of a “London Olympic Games 2012 information pavilion”, etc.