Dr. El-sadig Mahdi is a Professor and Head of Mechanical and industrial Engineering Department at Qatar University. Dr. Mahdi has 20 years in research in Materials and Design. Prior to coming to Qatar University in 2008 he was active in the following research field: Fatigue analysis of conventional materials, Mechanical Design, Failure Analysis for Oil and Gas Applications, Composite Materials, Nano composite, Finite element simulation, Impact mechanics, Design of pressure vessels and piping, Design of energy absorption and crashworthy elements. He supervised several, Bachelor, Master and Ph.D. theses. He has been selected as a referee for well–reputed international Journals such as Journal of Composite Part A, UK, International Journal of Composite Part B, UK; International Journal of Materials and Processing Technology, UK; International Journal of Mechanics of Composite Materials and Structures, USA. He has published over 200 technical papers in highly reputed international journals and conference proceedings in the areas of composite structures and material science and engineering. His research works were presented in many conferences around the world. Two of his publications achieved top and 3rd accessed papers in the Journal of composite structures, 2006. His energy absorber product achieved special award from Federal Agency for Industry (ROSPROM), Russian Federation; 54th World Exhibition of Innovation, Research & New Technologies, Brussels, 16–20 November 2005 , Gold Medal, 54th World Exhibition of Innovation, Research & New Technologies, Brussels, 16 – 20 November 2005 and Bronze Medals (I.TEX) 2005. He has been awarded the college of Engineering research excellence award for year 2012.