Mark Engler, a writer based in Philadelphia, is an editorial board member at Dissent, a contributing editor at Yes! Magazine, and a senior analyst with Foreign Policy In Focus. He is the author of How to Rule the World: The Coming Battle over the Global Economy. He can be reached via the website www.democracyuprising.com.

Paul Engler is founding director of the Center for the Working Poor, based in Los Angeles. He worked for more than a decade as an organizer in the immigrant rights, global justice, and labor movements. Paul is one of the founders of the Momentum Training, which educates hundreds of activists each year in the principles of momentum-driven mobilization. For more information about the trainings, visit www.momentumcommunity.org.