Stephen Gardiner is an Associate Professor of Philosophy at the University of Washington, Seattle. His main areas of interest are ethical theory, political philosophy and environmental ethics. He also teaches topics in applied ethics, philosophy of economics and ancient Greek philosophy. His current research includes projects in the areas of global political philosophy, ethics and global environmental policy (especially global climate change), Aristotelian virtue ethics, and egalitarianism and market systems. In May 2007, he organized the interdisciplinary conference Ethics and Climate Change at the University of Washington.

Steve joined the University of Washington in July 2004, having previously been on the faculty at the University of Utah and the University of Canterbury in Christchurch, New Zealand. He received his Ph.D. from Cornell University in 1999. (His dissertation explored an agent-centered interpretation of Aristotle's normative ethical theory, and was supervised by Terence Irwin.) He also has a M.A. in Philosophy from the University of Colorado at Boulder, and a B.A. in Philosophy, Politics and Economics from the University of Oxford. In 2004-2005, he served as a Laurance S. Rockefeller Visiting Fellow at the Center for Human Values at Princeton University.