Dr. Wahid Zakaria Ibrahim Salem works in the field of Architectural and urban Design Department at Ain Shams University in Cairo, Egypt. He is currently an associate professor in King Abdul Aziz University, Jeddah, SA. He obtained his Ph.D. degree from Aachen; Western Germany specialized in urban design and evolution of city center. He has distinguished himself in the fields of pedestrian passage urban design, Design and development of civic centers, evaluation of city center, and layout arrangements studies.  Dr. Salem has more that fifteen research publications in both local and international periodicals, journal, and conferences. He administrated many practical projects to develop Egyptian villages and he designed and executed many successful projects in Egypt, Germany, and Saudi Arabia.