Shih-sen Chang, Professor of Sichuan University, China. He is one of the experts with outstanding contributions and received government subsidies from the State Council of China. From 1992, he was also appointed by Queensland University (Australia), Dalhousie University (Canada), Hong Kong Polytechnic University, Sun Yat-sen University, Pusan University, Changhua Normal University, China University of Medical Sciences, Gyeongsang University, Kyung-sung University (Korea), Yibin University, Yunnan University of Finance and Economics as a Distinguished Professor or visiting professor. He devoted to study Nonlinear Analysis, Variational Inequalities, Fixed Point and Optimization Theory. He published many papers. More than 300 academic papers have been cited by SCI. He also published 4 monographs in USA and Germany. He was selected into the list of highly cited scientis in the world.