Ahmad Samih Khalidi, a senior associate member of St Antony's College, Oxford, has written extensively about Arab politics, regional security and the Palestinian national struggle. In addition to being co-editor of the Institute's quarterly Arabic journal, Majallat al-Dirasat al-Filastiniyyah, he formerly advised the Palestinian leadership on negotiations with the Israelis. He also co-author, with Hussein Agha, of A Framework for a Palestinian National Security Doctrine (Chatham House, 2006).