Michael Zweig is Professor of Economics at Stony Brook University in New York, where is the founder and director of the Center for Study of Working Class Life. His most recent books are What’s Class Got to Do with It: American Society in the Twenty-first Century (Cornell University Press, 2004), and The Working Class Majority: America's Best Kept Secret (Cornell University Press, 2000 - 2nd edition due December, 2011). In 2005-2006, he served as executive producer of Meeting Face to Face: the Iraq – U.S. Labor Solidarity Tour. He wrote, produced, and directed the DVD Why Are We in Afghanistan? in 2009.

Recipient of the SUNY Chancellor's Award for Excellence in Teaching, Professor Zweig received his PhD in economics in 1967 from the University of Michigan where, as an undergraduate, he was a founding member of Students for A Democratic Society (SDS), and as a graduate student helped found the Union for Radical Political Economics (URPE). He has a long history of social activism combined with scholarly work and has published widely in professional and general circulation journals, including The American Economic Review, The American Economist, Labor Notes, Monthly Review, The Nation, New Labor Forum, Rethinking Marxism. Review of Black Political Economy, Review of Radical Political Economics, Tikkun, and UE News. His earlier books include Religion and Economic Justice and The Idea of a World University.

Professor Zweig is active in his union, United University Professions (UUP- Local 2190, American Federation of Teachers, AFL-CIO), representing 34,000 faculty and professional staff throughout SUNY, and has served two terms on its state executive board. He represents UUP on the national steering committee of U.S. Labor Against the War (USLAW), and serves as a national co-convenor of USLAW. He lives with his wife in New York City and on the North Fork of eastern Long Island, where he has been named "Citizen of the Year" by The Suffolk Times for his writing and community organizing around issues of planning, zoning, and land use.