Professor Dr. Dang graduated from Tsinghua Univ. , China, in 1982, and got his M.S. at the same university in 1984. He worked for Tianjin Univ. as a lecture from 1984 to 1988. He was awarded the PhD from Shizuoka Univ. , Japan in 1992. He worked for ATR Human Information Processing Labs., Japan, as a senior researcher from 1992 to 2001. He joined the University of Waterloo, Canada, as a visiting scholar for one year from 1998. Since 2001, he has moved to Japan Advanced Institute of Science and Technology (JAIST). He joined the Institute of Communication Parlee (ICP), Center of National Research Scientific, France, as a research scientist the first class from 2002 to 2003. His research interests are in all the fields of speech production, speech synthesis, and speech cognition. He built a 3D physiological model for speech and swallowing, and endeavors to apply the model on clinics.