Prof. Guo is an expert in the fisheries field. He is now the Principal of the Fisheries Science Department at Tianjin Agricultural University, China. Prof Guo is a committee member of the National Science and Technology Progress Award, Shennong China Agricultural Science and Technology Award, and Tianjin agricultural science and technology project. He is also an expert in high-tech enterprise identification expert databases. He is a member of the Chinese Fisheries Society and Tianjin Fisheries Society. His research interest is aquatic animal diseases and immunology.