Doctor of Philosophy, City University of New York, 1992.
Assistant professor history Kingsborough Community College, Brooklyn, since 1992. Writer President Advisory Commission Holocaust Era Assets, Washington, 1999—2000, researcher, 1999—2000, Conference Jewish Material Claims Against Germany, New York City, 2000—2003, writer, 2000—2003.
Speaker, various Jewish institutes, New York City.
Married Carol Ann Stein, November 17, 1996. Children: Menachem Abba, Joseph Benjamin.