Liu Defu, Professor, Director, Disaster Prevention Research Institute, Ocean University of China
1956-61 : M.S. Russian State Hydrologic-Meteorological University of St. Petersburg
1981-83-Visiting Scholar, Delaware University , University of Florida, USA
1988-90-Visiting Professor, Norwegian University of Science and Technology
1993-94- Visiting Professor ,Hiroshima University, Japan; Russian State Hyrologicd Institute
Published more than 70 papers in Natural Hazards, Coastal Engineering, ASCE Journals, World Journal of Nuclear Science and Technology, International Summit on Hurricanes and Climate Change,ICAPP, OMAE, OTC, ISOPE and so on.