Defne Koz is one of the founding members of the Koz Susani Design located in Chicago. She has designed “best-selling” products for companies, such as Alessi, Foscarini, Leucos, OmniDecor, Cappellini, Egizia, Fontana Arte, Mitterteich 1400º, Rapsel, Delta, Derin, Gaia&Gino, Megaron, Nurus, and Vitra. Her education at the Milano Ettore Sottrass Studio, as well as her Turkish-Italian background have shaped her sense of design.