Jiangrong Tan received his Ph.D. degree in Mathematics Institute from Zhejiang University, China in 1992. Now he is the PROFESSOR and doctoral supervisor of Zhejiang University, China. His research interests include CAD, CIMS, virtual reality and scientific visualization, etc. He has published several papers and three books on CAD and CIMS. He is currently also the VICE DIRECTOR of “state key lab of CAD&CG, Zhejiang University”. Prof. Tan received “the State Foundation for Excellent Young Scholars” in 1994 and “National Foundation on Graphics Science for Excellent Young Scholars” in 1995. He is also confirmed as “The leader of key study of Zhejiang Province” in 1997 and received “Top Grade Award in Excellent Teacher of BAOGANG”in 2003. He has also received the “State second award of science and technology“ in 2004.