Annie Leonard is an expert in international sustainability and environmental-health issues. Her scholarship about and activism against waste-trafficking has gained her a sterling reputation in her field, but with her film The Story of Stuff she has also reached millions of average people, from schoolchildren to politicians.
Quentin Letts is parliamentary sketch writer and theatre critic for the Daily Mail. A regular broadcaster on radio and television, he was formerly New York correspondent for The Times and gossip columnist for the Daily Telegraph. He recently presented Radio 4's series 'What's The Point Of?' He lists his recreations, in Who's Who as 'gossip' and 'character defenestration'.
Marc Lynch is professor of political science and international affairs at George Washington University, where he is the director of the Institute for Middle East Studies and of the Project on Middle East Political Science. He is also a nonresident senior fellow at the Center for a New American Security, and a contributing editor at the Monkey Cage blog for The Washington Post. He is the codirector of the Blogs and Bullets project at the US Institute of Peace. He formerly launched and edited the Middle East Channel on ForeignPolicy.com. His most recent book, The Arab Uprising: The Unfinished Revolutions of the New Middle East, was called "the most illuminating and, for policymakers, the most challenging" book yet written on the topic by The Economist. His other books include Voices of the New Arab Public: Iraq Al-Jazeera, and Middle East Politics Today, selected as a Choice Outstanding Academic Book, and State Interests and Public Spheres: The International Politics of Jordan's Identity. Follow him on Twitter @abuaardvark.