Jein-Shan Chen is currently a Distinguished Professor at Mathematics Department of National Taiwan Normal University, Taipei, Taiwan, from where he received his B.S. degree and M.S. degree in 1990 and 1993, respectively. In fall of 1997, he attended Mathematics Department of UCLA to pursue his Ph.D. degree. He only stayed one year over there and moved to Mathematics Department, University of Washington, in fall of 1998, where he spent six years to study with Professor. Paul Tseng in Optimization. His research area is mainly in continuous optimization with side interests in nonsmooth analysis and operations research.