Dr. Liu is an Associate Professor at the Institute of Applied Psychology, Tianjin University. He received his Ph.D. in Psychology from Tsinghua University, and previously worked as a postdoc at the University of Wisconsin-Madison and the University of Minnesota. His research interestes include (1) the relationship between self-compassion, self-processing, and adolescent depression/suicide and their underlying neural mechanisms, as well as the possibility of treating adolescent depression/suicide with self-compassion-based real-time fMRI neurofeedback, and (2) the cognitive and neural mechanisms of gratitude, and its roles in mental health. Behavioral and neuroimaging research methods are applied in his studies. He has hosted projects funded by China Positive Psychology Research Foundation and Tianjin University, and participated in projects funded by the National Natural Science Foundation of China. He has published over 20 papers in journals of psychology, psychiatry and neuroscience.