Yang Guangbin, distinguished professor of Changjiang Scholars, Ministry of Education. The fields of his research include, but are not limited to, the theory of democracy, the theory of state, that of governance, historical politics and world political theory. His main works in the past decade include "Chinese Political Epistemology" (2018), "Comparative Politics: Theory and Method" (2016), "Democracy of Idea and Democracy of Practice" (2015), etc.