Xi Yao graduated from Jiaotong University, China in 1957 and received his Ph. D of Solid State Science in 1982, at the Pennsylvania State University, US. He soon became a full professor of Xi’an Jiaotong University, who is the first PhD supervisor in the field of Electronic Materials and Devices in China. Yao’s research interests include dielectric materials and devices, ferroelectric, piezoelectric and pyroelectric materials and devices, oxide and compound semiconductors and devices, functional nano composite materials and devices, and integrated ferroelectrics. In 1986 he founded and started the Electronic Materials Research Laboratory (EMRL) in Xi’an Jiaotong University. Now he is severed as the the Chair of International Center for Dielectric Research (ICDR) at Xi’an Jiaotong University and the Editor in Chief of the Jurnal of Advanced Dielectrics (JAD). Xi Yao is a member of the Chinese Academy of Sciences, foreign associate of the National Academy of Engineering of the USA. He is one of the founding members of the World Academy of Ceramics, founding chairman of the Asian Ferroelectric Association, member of the International Ferroelectric Advisory Committee, Academician of Asia Pacific Academy of Materials (APAM), fellow of the American Ceramic Society.