David W. Orr is Paul Sears Distinguished Professor of Environmental Studies and Politics Emeritus at Oberlin College. He is the author of eight other books including Dangerous Years (Yale University Press), Down to the Wire (Oxford University Press), The Nature of Design (Oxford University Press), Design on the Edge (MIT Press), Earth in Mind (Island Press), and Ecological Literacy (SUNY). He is also the editor or co-editor of five others including Democracy in a Hotter Time (MIT Press) and Democracy Unchained (the New Press). He has been awarded nine Honorary Degrees, a “National Achievement Award” from the National Wildlife Federation, a “National leadership Award” from the U.S. Green Building Council, a “Lifetime Achievement Award from the North American Association for Environmental Education,” a “Visionary Leadership Award from Second Nature, a “Lifetime Achievement from Green Energy Ohio, and the John B. Cobb “Common Good Award.” He wrote a regular column for Conservation Biology for twenty-one years.

Gaya Herrington is an internationally known sustainability researcher, wellbeing economist and bioregionalism advocate. She's been shaping conversations at local and global levels with her message that true sustainability will not be achieved without transforming our economic system away from an obsession with perpetual growth to one that centers around human and ecological wellbeing. Showcasing her multidimensional approach to effecting change, Gaya has held pivotal roles in the corporate, government policy, and nonprofit world.  Gaya is an Adjunct Professor at Harvard University and works on a fractional basis on several boards and is the Bioregional Finance Co-Director of Cascadia. Whether it is through her book Five Insights for Avoiding Global Collapse, speaking at conferences from the U.N. to TED, lecturing at universities around the globe, or being interviewed for TV, radio, and print, Gaya's insights resonate around the world.

Christopher Jones is the Faculty Head & Associate Professor of History in the School of Historical, Philosophical, and Religious Studies at Arizona State University. He received his bachelor's degree from Stanford University and his master's and doctorate from the University of Pennsylvania. Before joining ASU, he held postdoctoral fellowships at the Harvard University Center for the Environment and the Ciriacy-Wantrup Fellowship at the University of California-Berkeley. His first book, Routes of Power: Energy and Modern America (Harvard, 2014), analyzes the causes and consequences of America's first energy transitions. His latest book The Invention of Infinite Growth explores how economists have come to calculate ever-increasing growth without accounting for the natural world.