Gabrielle Walker is an expert on climate change and the energy industry. She holds a Ph.D. in Natural Sciences from Cambridge University and has taught at Cambridge and Princeton Universities. She is the author of four books, most recently, Antarctica: An Intimate Portrait of a Mysterious Continent and the best-selling The Hot Topic: What We Can Do About Global Warming (co-written with David King).
She is currently Chief Scientist at Xynteo, an advisory firm that seeks to enable businesses to grow in a manner which is responsive to the resource, climate, and demographic challenges of the 21st century.