Peter Berkowitz is the Tad and Dianne Taube Senior Fellow at the Hoover Institution, Stanford University, where he chairs the Task Force on National Security and Law and cochairs the Task Force on the Virtues of a Free Society. He is the author of Virtue and the Making of Modern Liberalism (1999) and Nietzsche: The Ethics of an Immoralist (1995). He is the editor of several Hoover Institution Press books: The Future of American Intelligence (2005); Terrorism, the Laws of War, and the Constitution: Debating the Enemy Combatant Cases (2005); Varieties of Progressivism in America (2004); Varieties of Conservatism in America (2004); and Never a Matter of Indifference: Sustaining Virtue in a Free Republic (2003). With coeditor Tod Lindberg, in 2004 he launched Hoover Studies in Politics, Economics, and Society, a series of concise books published in cooperation with Rowman and Littlefield. He has written on a range of subjects for a variety of publications, including the Atlantic, Haaretz, National Review, the New Republic, Policy Review, the Times Literary Supplement, the Wall Street Journal, the Washington Post, the Weekly Standard, and the Yale Law Journal. He taught constitutional law and jurisprudence at George Mason University School of Law from 1999 to 2007, and political philosophy in the government department at Harvard University from 1990 to 1999. He holds a JD and a PhD in political science from Yale University, an MA in philosophy from the Hebrew University of Jerusalem; and a BA in English literature from Swarthmore College.