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SCLVN-05 List of Quantum Experts (Cost Estimation and Evaluation)

SCLVN-05 List of Quantum Experts (Cost Estimation and Evaluation)

This list of experts supports SCLVN members to participate as expert or expert witness in professional and dispute resolution activities.

SCLVN support in connection between the Expert(s) and organizations and individuals who in need of services from the Experts..

This list of SCLVN experts is in the process of being built and completed.

SCLVN members can register to join this list using the following form: bit.ly/DkyChuyenGiaSCLVN  

Nguyen Thanh Long
Chartered Member of Royal Institute of Chartered Surveyors
Profile
Vuong Thi Thuy Duong
Lecturer at the Department of Construction Management, Faculty of Construction Economics and Management, Mien Trung University of Civil Engineering (MUCE)
Tran The Nhan
Quantum Expert; Member of the Royal Institution of Chartered Surveyors (RICS)
Profile
Do Hieu Thuan
Construction Cost Consultant, Member of the Royal Institution of Chartered Surveyors (MRICS)
Doan Thuan Hai
Business valuation and damages assessment from the loss or breach of commercial contracts
Ngo Ngoc Thanh
Professor
Dr. An Le
Subject Lead for Quantity Surveying at School of Built Environment, Massey University, New Zealand

Nguyen Thanh Long

Mr. Long started as a lead QS at Davis Langdon & Seah Vietnam in 2005, and rose to the position of Deputy Director by the time Mr. Long left in 2011. During this time, Mr. Long has held many positions. Multi-tasking position performing all QS services throughout the entire project development process from conceptual design to construction settlement. Then in 2012, Mr. Long moved to work for 2 years at Turner & Townsend Company in the position of senior project and cost manager of many different projects for both large, famous global customers and large companies. Local customers are demanding and highly demanding. Since 2014, Mr. Long focuses on VinaQS to provide an international quality QS/Cost Management service in domestic and foreign markets.

CV of Expert

Vuong Thi Thuy Duong

Vuong Thi Thuy Duong (PhD) is currently a lecturer at the Department of Construction Management, Faculty of Construction Economics and Management, Central University of Civil Engineering (MUCE), Phu Yen province, Vietnam. In 2011, she graduated as an engineer in Construction Economics from Ho Chi Minh City University of Transport and then continued to conduct master’s and doctoral studies in Construction Economics in the Russian Federation from from 2012 to 2018. She has more than 10 years of experience in teaching, researching and guiding students at MUCE. Vuong Thi Thuy Duong conducts research on Construction Economics, Construction Finance, Risk Management, Project Management, Construction Auditing, and Building Information Modeling (BIM).

Dr. Duong can be contacted via email: vuongthithuyduong@muce.edu.vn.

 

Trang An Studio-Ha Noi

Tran The Nhan

Mr Nhan is a chartered quantity surveyor (MRICS) working on quantum in construction disputes, with around 30 years in cost management and contract administration. He is currently instructed as quantum expert by counsel for the Claimant in a construction arbitration in Viet Nam, reporting under the IBA Rules on the Taking of Evidence in International Arbitration (2020) and the RICS Practice Statement and Guidance Note, Surveyors Acting as Expert Witnesses (4th ed, 2023). He also sits as Engineer under Sub-Clause 3.5 of the FIDIC 1999 Red Book on multiple contract packages for high-rise developments in Ha Noi, determining matters between the Employer and the Contractor fairly and in accordance with the Contract. He trained as a bridge and structural engineer, so he works from the technical record itself when quantifying loss. Mr Nhan holds the Grade 1 Construction Cost Engineer Certificate and is a Member of the Royal Institution of Chartered Surveyors (RICS). He is currently an Associate at DLS Consultant. In April 2026 he completed the FIDIC Academy course on Making and Writing of Dispute Board Decisions and Opinions.

CV of Expert

 

Do Hieu Thuan

Do Hieu Thuan, a Quantity Surveyor with over 11 years of QS experience in Vietnam, currently serving as Quantity Surveying Manager at VinaQS and a Professional Member of RICS (MRICS). From cost planning and quantity take-off to hands-on cost verification, FIDIC contract dispute resolution, expert witness engagements, and variation assessment and cost substantiation, I have worked across a diverse range of project types — including hotels, resorts, residential infrastructure, industrial facilities, high-rise residential developments, and retail properties throughout Vietnam. To me, quantity surveying is not just about the numbers — it’s about safeguarding cost transparency and value for clients throughout the entire project lifecycle.

CV of Expert

MRICS

Doan Thuan Hai

I have more than 20 years of professional experience with Savills, a Big 4 accounting firm, and a regional law firm, leading business valuation and complex financial advisory engagements. My work include valuation for strategy, transactions, tax planning, compliance, restructuring, capital markets, M&A, financial reporting, and dispute resolution, including damages from breach of commercial contract. I specialize in valuing companies, equity interests, intangible assets, IP, financial instruments, convertible loans, preference shares, and equity options. I have advised clients across industries in the US, China, Singapore, Vietnam, and the region, serving SMEs, GLCs, MNCs, listed groups, and government agencies. I am a Chartered Valuer and Appraiser (Singapore), Certified Patent Valuation Analyst (CPVA), Chartered Accountant (Singapore), ISCA Financial Forensic Professional, and Fellow of the Singapore Institute of Arbitrators (SIArb).

CV of Expert

CVA

Ngo Ngoc Thanh

Thanh Ngo is a Full Professor of Finance and Insurance in the College of Business at East Carolina University, USA, with 19 years of university teaching experience and more than 128 refereed publications. She serves as an Associate Editor for Applied Economics and Applied Economics Letters, and holds the CFA, CFP, CPA, CMA and CFE designations. Her expertise covers valuation, corporate financial analysis, cost and management accounting, auditing and fraud examination. She is originally from Ho Chi Minh City.

CV of Expert

CFA

CFP

CPA

CMA

CFE

 

Dr. An Le

Dr. An Le is the Subject Lead for Quantity Surveying at School of Built Environment, Massey University, New Zealand. With qualifications in Quantity Surveying and Construction Management, she specialises in cost planning, estimating, procurement, and whole-life cost analysis across a range of building projects. Her work emphasises practical cost management and value-driven decision making, including the integration of sustainable and low-carbon construction solutions.
Dr. Le works closely with industry through professional bodies and research partnerships, and she serves as the Regional Director (ASEAN) for the International Council for Research and Innovation in Building and Construction (CIB), helping connect industry practitioners with emerging global best practices. She is active member of Working Commission W107 (Construction for developing countries) and W124 Net Zero Carbon Building Design and Construction Practices. She has published widely and has been recognised for her research impact and contribution to improving cost management, net zero carbon buildings and sustainable construction practice in developing countries.

CV of Expert

Certificate