Mostafa is a civil engineer and researcher with multidisciplinary interests in construction, engineering, and management. His main research focus crosses over construction innovation, new technologies, productivity, off-site construction, decision support systems (DSS), integrated design, and procurement. He is an expert in data analysis, operations research, and mathematical and statistical modelling in combination with qualitative research methods. His publications have appeared in many well-respected world-class journals. Mostafa is also member of PMI, PrefabNZ, CIB, and Engineering NZ. He has been on editorial and review duties for different international journals and served on the scientific committee of various international and local conferences.