Interval Architects is a Shanghai-based office co-founded by Oscar KO and GU Yunduan. Oscar KO is a lecturer at the University of Hong Kong and graduate of Columbia University. GU Yunduan is Class 1 Registered Architect in China.ty, China. Both partners have won Perspective 40 under 40 Awards in 2018. Work of the office has received award including the Design that Educates Award (Honorable Mention), International Design Awards (Honorable Mention), Asia Design Prize(Winner), Perspective A&D China Award(Certificate of Excellence), Design for Asia Award (Merit Recognition).