Mohamed Abdallah El-Reedy, PhD, is a professional structural engineer, and his main area of research is the reliability of concrete and steel structures. Dr. El-Reedy has provided consulting services to several companies and organizations around the world. He has taught courses on repair and maintenance for reinforced concrete structures and advanced materials worldwide. In addition, he has presented numerous papers at conferences sponsored by the American Society of Civil Engineers, the American Society of Mechanical Engineers, the American Concrete Institute, the American Society for Testing and Materials, and the American Petroleum Institute. He is also the author of seven books.