DR. JOHN P. HOLDREN is the Teresa and John Heinz Professor of Environmental Policy at the Harvard’s Kennedy School of Government, CoDirector of the School’s Science, Technology, and Public Policy program, Professor of Environmental Science and Policy in the Department of Earth and Planetary Sciences, and Faculty Affiliate in the Paulson School of Engineering and Applied Science. He is also Visiting Distinguished Professor at Tsinghua University in Beijing, China, and Senior Advisor to the President at the Woods Hole Research Center, a pre-eminent scientific think tank focused on the role of the terrestrial biosphere in global climate change. From January 2009 to January 2017, he was President Obama’s Science Advisor and Senate-confirmed Director of the White House Office of Science and Technology Policy (OSTP), becoming the longest-serving Science Advisor to the President in the history of the position.... Read more about John Holdren

Andy Knoll is the Fisher Professor of Natural History at Harvard University. He received his B.A. in Geology from Lehigh University in 1973 and his Ph.D., also in Geology, from Harvard in 1977.... Read more about Andrew Knoll

Theoretical mechanics in glaciology, hydrology, seismology and tectonophysics; physics of earthquakes, ice sheet flow, fluid interactions with deformation and failure of earth materials

Assistant: Virginia Casas