Prof. Gao has led thousands kilometres-long deep seismic reflection experiment. The results have contributed greatly to understanding tectonic evolution of the Chinese mainland and Neotectonics of the Tibetan Plateau. He is a Professor of Geophysics for the Chinese Academy of Geological Sciences and Sun Yat-Sen University. He has also served as an Engineer for the Ministry of Geology and Mineral Resources of China and has written numerous articles and chapters for publications on the topic. He was elected as an Academician of Chinese Academy of Sciences in Geology Department in 2015. Throughout his career, he has been focusing on integrating geology and geophysics to understand tectonics.