Sari Nusseibeh, a philosopher, was the Palestine Liberation Organization s chief representative in Jerusalem from 2001 to 2002, in which role he advocated a two-state solution to the Israel-Palestine conflict. He is the president of and a professor at Al-Quds University, the Arab University of Jerusalem. Nusseibeh was educated at Oxford and Harvard, and was a Radcliffe Institute Fellow at Harvard for 2004 05. He is the author of two previous books.