Graduate of NTU Athens School of Architecture (2004) and U.Tokyo School of (2009). During his 2 year stay in Japan, he worked at Kengo Kuma Architects and Associates.

Kostas is an experienced design architect with numerous 1st prizes in invited/ open international competitions leading to completed large-scale buildings in Northern Europe & Germany. As Lead Design Architect at Henning Larsen Architects (2009-2015) he is the design architect behind the newly built Siemens HQ in Munich (MIPIM Most Sustainable Building 2017 finalist and DGNB gold-rated), the new Nordea HQ in Copenhagen, the new Novo Nordisk HQ in Copenhagen , the Frankfurt School of Finance and Management (under construction) and the ZSW Headquarters in Stuttgart.

Founder and director of SquareOne (est.2015) which focuses on developing architecture that combines no-nonsense problem solving, crisp aesthetics and social relevance. Experienced public speaker, workshop organizer and reviewer at various universities, such as KADK of Copenhagen, AUTH Thessaloniki. He currently lives and works in Copenhagen.​