Dr. Mark C. Trexler directs Det Norske Veritas’ work in the United States relating to climate strategies and markets. Prior to joining DNV he directed EcoSecurities’ Global Consulting Services group from 2007-2009, was President of Trexler Climate + Energy Services (TC+ES) from 1991 to 2007, and was with the World Resources Institute from 1988 to 1991.

Mark has worked for 20 years in corporate strategic planning, carbon market forecasting, project development for voluntary and Kyoto markets, and the development and design of emissions trading programs and projects. TC+ES was the first consulting firm in the United States to specialize in climate change risk management. In addition to private-sector clients around the world, Mark has worked with national and international clients including The Nature Conservancy, the United Nations Development Programme, the U.S. Environmental Protection Agency, and the Global Environment Facility.

Mark is widely published on the technical and policy issues relating to climate change mitigation and carbon markets. He has served as a Lead Author for the Intergovernmental Panel on Climate Change, and is a member of the editorial board of Mitigation and Adaptation Strategies, a leading climate journal. Mark also has worked extensively on energy policy issues from facility siting to technology R&D policy. Mark’s graduate degrees are from UC Berkeley, and he has spent almost 10 years living abroad.