1. Assistant Lecturer, Dept. of Construction and Building Engineering, Arab Academy for Science and Technology and Maritime Transport, Alexandria, Egypt; PhD Student, Dept. of Civil and Building Engineering, Loughborough Univ., Loughborough, LE11 3TU, UK.
2. Professor of Project Management and Director of Postgraduate Studies, Dept. of Civil and Building Engineering, Loughborough Univ., Loughborough, LE11 3TU, UK.
3. Lecturer of Construction Management and Director of European Union Research Group, Dept. of Civil and Building Engineering, Loughborough Univ., Loughborough, LE11 3TU, UK.