Li Lulu, Ph.D., is Professor of Sociology at Renmin University of China and Special Professor of "Changjiang Scholars" of the Ministry of Education. He also serves as the Chairman of the Teaching Steering Committee of Sociology in Colleges and Universities of the Ministry of Education. Qin Guangqiang holds a doctorate in sociology and is Professor of Sociology at Minzu University of China. He was selected for Young Talents of the National Ethnic Affairs Commission and the Publicity Department, CPC Central Committee.