Theodoros is a qualified architect studied architecture at National Technical University of Athens, Greece. He continued his studies at UK obtaining a Master of Architecture in Urban Design at Bartlett, UCL. Two years later, he returned to university to attend a Master of Science program in Adaptive Architecture and Computation at Bartlett, UCL. After his graduation, he joined Foster and Partners where he has been an integral part of the design team of renowned buildings with the Comcast Technology Center among them.
After he leaved Foster and Partners he returned at Cyprus as a Director at Themistokleous & Associates, Architects-Engineers until 2016 when he set up THEM.A | Themistokleous Architects LLC a subsidiary company of the former focused in Architecture, Urbanism, Interior Design and Design for Digital Fabrication.
He has been a visiting lecturer at Cyprus University of Technology and he is a visiting tutor at Neapolis University, Cyprus. He has received numerous awards in architectural competitions and has published several scientific papers on architecture and computation.