Dr XU Ningsheng is professor of Sun Yat-sen University, Guangzhou, China. He was awarded BSc degree in Semiconductor Physics in 1982 from Sun Yat-sen (Zhongshan) University. From 1983 to 1986, he followed his postgraduate research training at Aston University, UK and was awarded PhD degree in 1986. Subsequently, he was employed as research staff of Aston University. In 1996, he was appointed Professor of Physics at Sun Yat-sen University, and was Head of the School of Physics and Engineering for a period of time. He has also been the Director of the State Key Laboratory of Optoelectronic Materials and Technologies. His current research is focused on electron emission cold cathode materials, including nanowires, nanotubes and diamond and related thin films, and their applications. He has experienced as chairman and member of steering committees of international academic organizations, including IVMC/IVNC (International Vacuum Micro/Nanoelectronics Conference), IFES (International Field Emission Symposium) and SID (Beijing Chapter, Society of Information Display). He is Fellow of the Institute of Physics, UK. He has published more than a hundred scientific research papers in international journals, two chapters in an academic volume published by Academic Press, London, UK and one chapter in an encyclopedia published by American Scientific Publishers. Also, he is one of inventors of patents of China, UK and other European countries. Prof XU was elected, in 2009, as academician of Chinese Academy of Sciences (CAS), and in 2011, as member of Third World Academy of Sciences (TWAS). He has been the President of Sun Yat-sen University since December of 2010.