Professor at the department of Geography, School of Public Policy, and Leon Safdie Chair at the Institute of Urban and Regional Studies, The Hebrew University of Jerusalem. His fields of interest are urban studies with special emphasis on political, social and cultural processes, political geography and the production of space. Among his books are: Urban Social Movements in Jerusalem, Neighbourhood Organizations and the Welfare State (with David Ley) Jerusalem in the Future: The Challenge of Transition, Arabs in Israel: Barriers to Equality, Between Nationalism and Democracy, and Successful Jerusalem. He is currently working on a book that analyses the production of space in Israel. He has been involved in preparing the national master plan for Israel (Tama 35) and the metropolitan plans for Tel Aviv and Jerusalem and the Jerusalem District Plan.