He previously worked as an architect in Paris. His work includes residential, commercial and institutional projects primarily in Turkey, as well as in the Netherlands, Japan, United Kingdom, France, China, Mongolia and Kenya. Mr. Tümertekin was trained in architecture at Istanbul Technical University and completed graduate studies in historic preservation at the University of Istanbul. In addition to his built work, he has been teaching architecture since 1992 at universities including Harvard University’s Graduate School of Design; Istanbul Technical University; Ecole Polytechnique Fédérale de Lausanne; Ecole Speciale d'Architecture,Paris; Yıldız Technical University, Istanbul; Uludag University, Bursa; and the Ecole d'Architecture in Strasbourg. He is one of the founders of the graduate programme in architecture at Bilgi University, Istanbul.