Shuang Zhao is a Ph.D. student in the Computer Science Department of Cornell University. Supervised by Kavita Bala, he mainly works on physically-based rendering and appearance modeling. Previously, Shuang obtained his B.Eng. degree from the Computer Science & Engineering Department of Shanghai Jiao Tong University. Shuang visited the Computer Graphics Group at CSAIL of Massachusetts Institute of Technology during academic year 2010-2011.