Mike Otsuka is a left-libertarian political philosopher and Professor of Philosophy at the London School of Economics. Prior to this, he taught philosophy at University College London, University of California LA, Yale, and University of Colorado, Boulder. He published the book Libertarianism without Inequality in 2003, and has written dozens of academic articles. His research addresses the fairness and value of risks and chances of benefits; collective goods and the benefits of cooperation; risk-pooling, pensions, and insurance; property ownership and the nature of money; left-libertarianism versus social democracy and socialism; prioritarianism, egalitarianism, and the separateness of persons; and personal identity.