Dan Kammen

Professor & Director, Renewable and Appropriate Energy Technology


Dr. Daniel M. Kammen is a Professor of Energy at the University of California, Berkeley, with parallel appointments in the Energy and Resources Group, the Goldman School of Public Policy, and the department of Nuclear Engineering. He was appointed by then Secretary of State Hilary Clinton in April 2010 as the first energy fellow of the new Environment and Climate Partnership for the Americas (ECPA) initiative. In 2016 he began service as the Science Envoy for U. S. Secretary of State John Kerry.

Kammen is the founding director of the Renewable and Appropriate Energy Laboratory (RAEL;, and was Director of the Transportation Sustainability Research Center from 2007 - 2015. has served the State of California and US federal government in expert and advisory capacities, including time at the US Environmental Protection Agency, US Department of Energy, the Agency for International Development (USAID) and the Office of Science and Technology Policy

Dr. Kammen was educated in physics at Cornell (BA 1984) and Harvard (MA 1986; PhD 1988), and held postdoctoral positions at the California Institute of Technology and Harvard. He was an Assistant Professor and Chair of the Science, Technology and Environmental Policy Program at the Woodrow Wilson School at Princeton University before moving to the University of California, Berkeley. Dr. Kammen has served as a contributing or coordinating lead author on various reports of the Intergovernmental Panel on Climate Change since 1999. The IPCC shared the 2007 Nobel Peace Prize.

Kammen helped found over 10 companies, including Enphase that went public in 2012, Renewable Funding (Renew Financial) a Property Assessed Clean Energy (PACE) implementing company that went public in 2014, and Lion Energy, a startup launched with funds form the venture capital community and ARPA-e.