Technical Excellence
Unified expertise. Transformative results.
HEFI GROUP EXPERTS
Our Experts constitute a distinguished circle of leaders whose expertise, character, and professional achievements exemplify the highest standards of HEFI Group.
Team of Experts
Dedication. Expertise. Passion.
Our Fellows are among the industry’s most respected experts—mentors, innovators, and leaders whose work has shaped landmark projects and delivered lasting value. They embody our highest standards of excellence, integrity, and vision, creating meaningful impact for clients, communities, and future generations.
Their leadership strengthens our profession, inspires emerging talent, and advances our mission to create a better, more sustainable future.
SUSTAINABILITY LEAD
Clive Chong Sze Sheng
Nationality: Singaporean
Field: SUSTAINABLE ENGINEERING
Experience: Over 40 years
• Industrial Innovation, Sustainability, Carbon Market, Energy Management, ESG Compliance, Envir. Engineering, Circular Economy
LEAD ECONOMIST
Dr. Gi-Ryong Jung
Nationality: Korean
Field: ECONOMICS
Experience: Over 40 years
• Econometrics, Regional Economics,
Industrial Organization, Public Choice,
Public Utility Economics
SUSTAINABLE SYSTEMS ENGINEERING EXPERT
Dr. Kum V. Soma
Nationality: Cambodian
Field: SUSTAINABLE ENGINEERING
Experience: Over 25 years
• Civil-Envir. Engineering, Wastewater treatment, Resource Recovery, Waste to Energy (WTE), Green SEZ development, System Dynamics, Environmental Impact Assessment (EIA)
DISTINGUISHED PROFESSOR & ECOβINDUSTRIAL PARK LEAD
Prof. Dr. HungβSuck Park, PE — Emeritus
Nationality: Korean
Field: ENVIRONMENTAL ENGINEERING
Experience: Over 45 yearsβ
• Industrial symbiosis, ESG Practice, Environmental Impact Assessment (EIA),
Eco-industrial parks (EIP), Sustainability,
Wastewater Treatment, Renewable Energy, Circular Economy
LEAD CPA& AUDITING EXPERT
Babulal Parihar (CPA)
Nationality: Indian
Field: ACCOUNTING & AUDITING
Experience: Over 20 years
• Accounting, Auditing, Cross-border Trade, Business and investment Facilitation
FINANCIAL FEASIBILITY EXPERT
Daniel Gark Bin TAN
Nationality: Australian
Field: FINANCE& INVESTMENT Analysis
Experience: Over 45 years
• Asset Management, Property Development, Investment, Marketing and Finance
NATURAL RESOURCE VALUATION EXPERT
Dr. Edward V. MANINGO
Nationality: Filipino
Field: TECHNOLOGY MANAGEMENT
Experience: Over 30 years
• Enterprise Development, Economic Analysis of Forest Investments, Valuation of Natural Resources & Ecosystem Services, Geo-statistics, GIS/Spatial Analysis & Land Use Planning
SUSTAINABILITY TRANSITION EXPERT
Dr. Hördur Valdimar Haraldsson
Nationality: icelandic-Swedish
Field: ENVIR. SYSTEM ANALYSIS
Experience: Over 30 years
• System Analysis and System Dynamics, Sustainable Forestry, Green Economy, Sustainable Development, State of the Environment Reporting
INDUSTRIAL BIOTECHNOLOGY EXPERT
Dr. HUON Thavreak
Nationality: Cambodian
Field: BIOTECHNOLOGY
Experience: Over 25 years
• Cell& Tissue Culture, Genetic Engineering, Biosafety, Bioprocess Engineering
AGRI-FOOD PROCESSING EXPERT
Prof. KONG Thong
Nationality: Cambodian
Field: FOOD ENGINEERING
Experience: Over 25 yearsβ
• Food Safety & Quality Assurance, Food Processing Technologies, Food Product Development
AGROMETEOROLOGIST & INSURANCE EXPERT
Dr. Srinivasa Rao GATTINENI
Nationality: Indian
Field: AGRICULTURE METEOROLOGY
Experience: Over 25 years
• Weather-based insurance models, Remote sensing applications in agriculture, agricultural risk management
LAW /REGULATORY FEASIBILITY EXPERT
Atty. Ouk Ry
Nationality: Cambodian
Field: LAW
Experience: Over 25 yearsβ
• Lead counsel in commercial law,
Litigation, Labor compliance, Project Financing, Real estate, Insolvency, Legal Translation
Horng Vuthy (PhD)
Civil Engineering Expert
Field:
Construction Engineering,
Geotechnical Engineering
Experience: Over 20 yrs
Uk Sovannara (PhD)
Ecological Expert
Field:
Limnology, Floodplain Ecosystems Modeling
Experience: Over 10 yrs
HENG Virith (Msc)
Livestock Production Expert
Field:
Animal& veterinary Medicine,
Animal Production and Health
Experience: Over 10 yrs
Koet Veasna (PE)
Civil Engineering Expert
Field:
Construction Engineering,
Infrastructure Engineering
Experience: Over 25 yrs
Sophal Try (PhD)
Hydrology Expert
Field:
Water resource engineering
Flood Damage Forecasting
Experience: Over 10 yrs
Ken Gabriel (PhD)
Agricultural Extensionist
Field:
Agricultural Marketing,
Rural Development
Experience: Over 5 yrs
Lee Changkeun (PhD)
Economic Expert
Field:
Regional& urban economics.
Spatial Economy
Experience: Over 25 yrs
Ly Steven (PhD)
Hydrology Expert
Field:
Impact assessment of Climate change, Flood Modeling
Experience: Over 10 yrs
Ol Tola (DEA)
Food Expert
Field:
Food science& Food safety Quality Standard
Experience: Over 25 yrs
Pok Sophak (PhD)
Environmental Expert
Field:
Environmental science,
Remote sensing
Experience: Over 12 yrs
SRANG Sarot (PhD)
Control Systems Expert
Field:
Mechanical & Control Systems Engineering
Experience: Over 10 yrs
CHIM Pheaktra (DEA)
Food Expert
Field:
Food science& Technology, Food safety
Experience: Over 25 yrs
Sao Davy (PhD)
Environmental Expert
Field:
Water Resource Engineering,
Environmental Engineering
Experience: Over 12 yrs
MEAS Marin (PhD)
Mech. Engineering Expert
Field:
Aerospace & Mechanical Engineering, thermal science
Experience: Over 30 yrs
REY Sopheak (PhD)
Energy Expert
Field:
Energy efficiency, Cleaner Production, EMS, EMA
Experience: Over 20 yrs
OUR ASSOCIATE EXPERTS