"Marx's Democratic Critique of Capitalism, and Its Implications for China," Chinese Academy of Marxism, Beijing, China, November 10, 2008
"Is Sustainable Capitalism Possible? to the Beijing Forum, Beijing, China, November 8, 2008
"Global Warming Swindle? Cockburn vs. Monbiot--What's Going On Here?" to the Global Studies Association, Pace University, New York City, June 6, 2008
"Why Cooperatives? Localization." Keynote panel presentation to the "Building a Better World" Conference, University of Radford, Radford, VA, May 24, 2008
"Is Sustainable Capitalism an Oxymoron?" Presentation to Energy and Responsibility: A Conference of Ethics and the Environment, University of Tennessee, Knoxville, April 11,2008
"Global Poverty: Alternative Perspectives on What We Should Do--and Why," Keynote Address to the Bertram Morris Colloquium, University of Colorado/Boulder, October 6, 2007
"Economic Democracy: A Worthy Socialism that Would Work," Presentation at the Book Launching of Derecho a Decidir: Propuestas para el Socialismo del Siglo XXI, Caracas, Venezuela, October 21, 2006
"What is Capitalism? What is Socialism? Reflections on China, the U.S. and the Managerial Revolution," Radical Philosophy Association Panel, American Philosophical Association Central Division Meetings, April 27, 2006