B.Sc. Eng. Ha Quoc Duong, presently is a Senior Quantity Survey Expert of the Vietnam Sustainable Development Inc. With nearly 20 years working experience, he has owned many valuable experiences in management, checking, measuring and supervision of construction aspect including Highway construction, Irrigation System, Road Network, Urban Environmental Sanitation, Rural Road Surfacing Trials. B.Sc. Eng. Duong has participated in different international donor-funded projects such as Asian Development Bank (ADB), Japan International Cooperation Agency (JICA), the World Bank (WB). He has consulted for various ODA projects as the Quantity Surveyor, Structural Engineer/ Quality Control Specialist, Quantity Surveyor, Deputy Resident Project Manager, Data Collection Supervision Consultant, Assistant Resident Engineer, Site Surveyor Engineer and so on.