His research interests include contentious politics, political regimes, political trust, public sphere and local governance in China, Hong Kong and Malaysia. He has recently published in China Quarterly, Political Studies, Social Movement Studies, Modern Asian Studies and co-edited An Epoch of Social Movements (Chinese University Press, 2018) and The Umbrella Movement: Civil Resistance and Contentious Space in Hong Kong (Amsterdam University Press, 2018). He is the recipient of the 2016 Gordon White Prize and the principal investigator of World Values Survey Wave 7 in Hong Kong. He holds a PhD in Government from the London School of Economics.