Mr. Han is one of the founding members of BANDI. Prior to joining BANDI, Mr. Han was mainly responsible for the design of long-span bridges at Cheongseok Engineering and Pyunghwa Engineering Consultants(PEC), and participated in many suspension and cable-stayed bridge projects. For suspension bridges, he has participated in the design and construction engineering in projects such as Canakkale Bridge in Turkiye, 3rd Bosphorus Bridge in Turkiye, Chacao Brdige in Chile, and for cable-stayed bridges, he has worked on detailed design such as Saemangeum North-South Axis Road Construction 2nd District, Danjiang Bridge in Taiwan, Kuwait-Jaber Causeway Main link Project in Kuwait, and Sepung Bridge in Korea.