Bachelor Engineering, Tianjin (China) University, 1982. Master Engineering, Kumamoto (Japan) University, 1986. Doctor Engineering, Kyushu University, Fukuoka, Japan, 1989.
Research engineer Kyudenko Corporation, Fukuoka, 1989-1990. Assistant professor Kumamoto University, 1990-1995. Associate professor engineering Tsukuba (Japan) College of Technology, since 1995.
Member Architectural Institute Japan, Japan Solar Energy Society, Society Heating, Air Conditioning and Sanitary Engineering of Japan.
Married Hong Xue, March 20, 1986. Children: Yehan, Yeping.