Dr Guy C.K. Leung is a post-doctoral fellow with the Geopolitics of Energy Project at Harvard Kennedy School's Belfer Center for Science and International Affairs. He is also a visiting fellow at Oxford University’s China Center between April 2014 and April 2015. 

He obtained his PhD in human geography at Durham University, and his research interests focus on the geopolitical economy of natural gas industry in China, and China’s energy security. His research at Harvard seeks to understand how the state and firm actors are connected functionally, organizationally, institutionally and politically to realize the natural gas transition in China. His articles have appeared in a range of journals, including Applied Energy, Energy Policy, Eurasian Geography and Economics, and OPEC Energy Review. 

His paper “China’s energy security: perception and reality” was recognized by ScienceDirect to be one of the 25 most downloaded articles (out of 8542) in Energy Policy in 2012. 

He now serves as an energy consultant to a research center for the State Council of China, and to a Hong Kong-listed China natural gas extraction company. He also used to work for Chinese University of Hong Kong, King’s College London, University of Manchester, Hong Kong Baptist University and Consulate-General of Kazakhstan to Hong Kong and Macau.