Professor Dae Dong Sung studied chemistry at Dong-A University as BS and MS in 1979 and Princeton University as Ph.D. 1982. He joined the research group of Professor Donald Bethel at Liverpool University as the Royal Society Fellow of Chemistry UK. He joined the research group of Professor Hideo Tomioka at Mie University Japan as visiting Professor. He studied very fast intermediate molecules in the field of physical organic chemistry. He worked Professor After completing his degree, he worked at Dong-A University and Korea University as professor of physical organic chemistry. He has published more than 240 research articles in SCI journals.