Director of the Integrated Risk Monitoring and Early Warning Center of the National Disaster Reduction Center of China,Ministry of Emergency Management of the People's Republic of China. Dr. Guo is and mainly engaged in disaster monitoring,early warning assessment, and took part in the integrated assessment and field survey on some large-scale natural disasters and many international cooperation projects ,He has visited the disaster areas for emergency response for more than 50 times and has been involved in the development of several national standards and policies