David Fridley is a staff scientist at Lawrence Berkeley National Laboratory (LBNL), where he is deputy group leader of the China Energy Group. His work has involved extensive collaboration with China on end-use energy efficiency and modeling, industrial energy use, energy policy research, low-carbon city development, and energy supply assessment. He has published dozens of articles in peer-reviewed journals and authored chapters in three books. Prior to joining LBNL he was a consultant on downstream oil markets in the Asia-Pacific region and a business development manager for Caltex China. He is a Fellow of Post Carbon Institute.