Glen Sproul dit MacDonald is the John Muir Memorial Chair of Geography and a UCLA Distinguished Professor. He holds an A.B. from UC Berkeley, a M.Sc. from the University of Calgary and a Ph.D. from the University of Toronto. His research focuses on climate change, its causes and its impact on the environment and society. A particular interest is the development of the ‘Perfect Drought’ concept in Southern California. He is the author of over 170 scientific and popular press pieces and an award winning book on biogeography. He has also published Op/Eds in the Los Angeles Times and San Francisco Chronicle. He speaks widely to the public and policy makers and has provided presentations and testimony to a number of California state agencies and the US Senate Appropriations Committee. Glen MacDonald is a Member of the National Academy of Sciences, a Fellow of the American Academy of Arts and Sciences, a Fellow of the American Geophysical Union, a Fellow of the American Association for the Advancement of Science, a Guggenheim Fellow and a Rockefeller Bellagio Resident. He has received the James J. Parsons Distinguished Career Award and the Henry C. Cowles Award for Excellence in Publication from the American Association of Geographers, the University of Helsinki Medal, a Visiting Fellowship and Life Membership at Clare Hall Cambridge, and a Visiting Fellowship at St. Catherine’s College, Oxford. He has also won distinguished teaching awards at McMaster University and UCLA. Glen MacDonald is Past President of the American Association of Geographers.