B.A., New York University. Director of the Task Force Against Hate and Associate Director of Education for the Simon Wiesenthal Center. Member of the Board of Directors of the Association of Holocaust Organizations. Chief representative for the Simon Wiesenthal Center at the United Nations. Member of the official Jewish-Catholic Dialogue Group of New York.

Publications include: Ed. and co-author, Dignity and Defiance: Confronting Life and Death in the Warsaw Ghetto (1993), Announcing the Future, Facing the Past in Never Again! The Holocaust's Challenge For Educators (1997), The Blinded Muse: Ethics, Antisemitism and the Abuse of History in Ethics for Today and Tomorrow (1997), ed. and co-author, Kristallnacht: A Resource Book and Program Guide (1998), The Inverted Image: Antisemitism and Anti-Catholicism on the Internet in Christianity and Judaism: History, the Holocaust and Reconciliation in the Third Millennium (1998), Technology and Terror: Extremism on the Internet in The National Council of Jewish Women journal, (1998/1999), Co-author Dismantling the Big Lie: The Protocols of the Learned Elders of Zion (2004)