[1] Duan was born in Nanjing, Jiangsu in December 1960.
He earned his doctor's degree from Southeast University under the direction of Qi Kang.
From September 1990 to January 1992 he was a visiting scholar at KU Leuven.
He joined the faculty of Southeast University in April 2003, what he was promoted to deputy dean of its School of Architecture in November 2003 and to director of its Institute of Urban Space in September 2005.
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