Robert U. Ayres, an American-born physicist and economist, is Emeritus Professor of Economics and Political Science at INSEAD, the international graduate business school. He is the author or coauthor of many books, including (with Benjamin Warr) The Economic Growth Engine: How Energy and Work Drive Prosperity.

Elizabeth Losh directs the Culture, Art, and Technology Program at Sixth College at the University of California, San Diego. She is the author of Virtualpolitik: An Electronic History of Government Media-Making in a Time of War, Scandal, Disaster, Miscommunication, and Mistakes (MIT Press) and the coauthor of Understanding Rhetoric: A Graphic Guide to Writing.

Timothy Brittain-Catlin is Senior Lecturer at the new Kent School of Architecture, University of Kent. His writing has appeared in The World of Interiors, Architectural Review, and many other publications.

Josh Lerner is Executive Director of The Participatory Budgeting Project, a nonprofit organization in New York City that empowers communities to decide how to spend public money.

David Meerman Scott is a marketing strategist and the author of three bestselling books,The New Rules of Marketing and PR, Real-Time Marketing, and Marketing Lessons from the Grateful Dead. He lives in Lexington, Massachuetts.

Richard Jurek has worked as a marketing and public relations executive for more than twenty years. He lives in Chicago.

Hilton L. Root, an expert on international political economy and development, is Professor at the George Mason University School of Public Policy. He is the author of Alliance Curse: How the U.S. Lost the Third World, Capital and Collusion: Political Logic of Global Economic Development, and other books.

Padma Desai is Gladys and Roland Harriman Professor of Comparative Economic Systems and Director, Center for Transition Economies at Columbia University.

Jerry L. Thompson is a working photographer who also writes about photography. He worked as Walker Evans’s principal assistant from 1973 to Evans’s death in 1975. He is the author of The Last Years of Walker Evans and Truth and Photography.

Noson S. Yanofsky is Professor in the Department of Computer and Information Science at Brooklyn College and The Graduate Center of the City University of New York. He is a coauthor of Quantum Computing for Computer Scientists.

Richard A. DeMillo is Distinguished Professor of Computing and Professor of Management, former John P. Imlay Dean of Computing, and Director of the Center for 21st Century Universities at Georgia Institute of Technology. Author of over 100 articles, books, and patents, he has held academic positions at Purdue University, the University of Wisconsin, and the University of Padua. He directed the Computer and Computation Research Division of the National Science Foundation and was Hewlett-Packard’s first Chief Technology Officer.