is director of strategic communication at the Sightline Institute.

is an award-winning author, food justice advocate, and food system transformation adviser. She is a founding principal of the Small Planet Institute.

is a biologist, gardener, and co-author with David Montgomery of the dirt trilogy—Dirt: The Erosion of Civilizations, The Hidden Half of Nature: The Microbial Roots of Life and Health, and

is the executive director of Greenpeace USA and founder of The Story of Stuff Project. She is a YES! contributing editor.

is a writer covering culture and justice.