Tony Karon is a senior editor at Time.com where he analyzes the Middle East and other international conflicts. Born in South Africa, Karon was active in the Labor-Zionist Habonim movement in his teenage years, before moving on to join the anti-apartheid struggle as an editor in the alternative press and as an activist of the banned African National Congress. Karon, now a New Yorker, maintains the website Rootless Cosmopolitan which features his analysis of geopolitics in the age of the war on terror, and writes extensively on questions of Zionism and Jewish identity.

Brian Klug is senior research fellow at St Benet’s Hall, Oxford and member of the Faculty of Philosophy at Oxford University, UK. He is a past associate professor of philosophy at St. Xavier University. He is associate editor of Patterns of Prejudice and a co-founder of Independent Jewish Voices (UK). Klug has written widely on Israel, anti-Semitism, and Jewish identity. He is co-editor of A Time to Speak Out (Verso, forthcoming 2008) and author of an essay by that name in the book Prophets Outcast: A Century of Dissident Jewish Writing About Zionism and Israel.

Joel Kovel holds degrees in medicine, psychiatry, and psychoanalysis and practiced for 24 years. Since 1988 he has been a professor of social studies at Bard College. He has published nine books, including White Racism; The Age of Desire; The Enemy of Nature: The End of Capitalism or The End of the World; and, most recently, Overcoming Zionism. Kovel has been engaged in struggles for peace and justice since the Vietnam war era and has worked within the antiwar and antinuclear movements.