Emeritus Professor at the Faculty of Engineering, Ain Shams University. Chairman of the Egyptian Society for Endogenous Development of Local Communities. Founder of the Center for Renewable Materials Research, the Faculty of Engineering, Ain Shams University. Council member of the integrated urbanism and sustainable design program IUSD (Stuttgart University and Ain-shams University). Council member of the International Network of Engineers and Scientist for Global Responsibility. Founder of the Centre for Development of small-scale Industries and Local Technology, the Faculty of Engineering, Ain Shams University. International Coordinator of Group of Experts in Renewable Material Resources Research United Nations Environmental Programme, Working Group on Sustainable Product Development (1995-2000).