Stewart Brand is a futurist, environmentalist, and proponent of de-extinction who promotes the use of science to preserve the planet. He is the co-founder of Revive & Restore, which facilitates extinct species revival, and the Long Now Foundation, of which he is co-chair and president. He was the founder and editor of the award-winning Whole Earth Catalog and is the author of several books, including “Whole Earth Discipline: An Ecopragmatist Manifesto.” In 2013, Brand organized the TEDxDeExtinction conference in partnership with the National Geographic Society.