Dr .Eltahir Elshaikh is an Assistant Professor of Construction Engineering and Management, and Dean of Engineering College at Sudan University of Science & Technology, Sudan. He is PMP and RMP certified, and currently works as an academic staff member and consultant engineer in Construction Engineering and Management. He has participated in many scientific conferences in Sudan and abroad, and has several publications related to construction management, and building materials and sustainability. Current research interests are geared towards sustainability as related to construction materials, construction management, and legal issues in construction with specific focus on claims and variation orders and real estate. Dr Elshaikh is a member of the Sudanese Engineering Society (since 2008), Sudan Engineering Council (since 2008), the Sudanese Association for the Evaluation of Assets and Real Estate (since 2012), and the Sudanese Sustainable Building Council (since 2017).