Professor in Civil Engineering Department, College of Engineering, King Saud University, Riyadh, Saudi Arabia. He received his Ph.D. and M.Sc. in Civil Engineering from the University of Tokyo, Japan, for which he was ranked as outstanding and was awarded the best research thesis, prize, and medal from the University of Tokyo. He has authored more than 275 publications with reputed publishers and has received several awards, prizes, and distinctions throughout his research and academic career. His research interest is in the corrosion of steel reinforced concrete, materials & structures in Civil Engineering.