Prof. Lei Zhi-Dong (1938-), academician of the Chinese Academy of Engineering, born in Hunan Province. He graduated from the Department of Hydraulic Engineering of Tsinghua University as a bachelor in 1960, got his master degree in Water Resource Utilization of Tsinghua University in 1965. He was the head of Department of Hydraulic Engineering of Tsinghua University from 1994 to 1999. Now he is the Director of the Academic Committee in School of Civil Engineering of Tsinghua University, and editor of “Journal of Hydraulic Engineering”. He made significant achievement in water resource evaluation and planning, soil water dynamics and irrigation in farming land. He won the second award of Dayu Water Resources Science and Technology Progress Award in 2007, won second Sci & Tech Progress Award of China Higher Education in 2006. He published 2 monographs and over 90 papers.