FIDIC Adjudicator Details

International Client Manager

Lieh Sieng  Soh

  Country of residence: Malaysia

  Citizenship: Malaysian


Countries with experience

Other countries with experience:

Global regions

  • North America
  • East Asia
  • South Asia
  • West Europe
  • Middle East
  • Central Asia

Languages spoken

  • English
  • Chinese
  • Cantonese
  • Indonesian/Bahasa
  • Mandarin

Construction contract experience

  • Construction Contract 2nd Ed (2017 Red Book)
  • Construction Contract, 1st Ed (1999 Red Book)
  • EPC/Turnkey Contract, 1st Ed (1999 Silver Book)
  • Plant and Design-Build Contract 2nd Ed (2017 Yellow Book)

Consultancy contract experience

  • Not applicable - none of the above

Specialist contract experience

  • Construction Subcontract, 1st. Ed. 2011

CV - Services offered

  • Arbitration
  • Adjudication
  • Mediation
  • Conciliation
  • Facilitator
  • Technical expert
  • Contract Expert/specialist
  • Independent expert
  • Expert witness
  • Councillor
  • Educational qualifications

Technical expertise

  • Airports - air-side
  • Airports - terminals and support
  • Building - domestic
  • Building - commercial
  • Building - industrial
  • Building services - Heating/Ventilation/Air Conditioning
  • Building services - lighting/electrical
  • Building services - Gas
  • Building services - water
  • Building services - Communications
  • Building services - Acoustics and insultation
  • Building services - Security & Alarm Systems
  • Civil Engineering - Site Investigation
  • Civil Engineering - Foundations and Subsidence/Settlement
  • Civil Engineering - Land Drainage & Dewatering
  • Civil Engineering - River & Flood Control
  • Civil Engineering - Tunnelling and piling
  • Civil Engineering - Retaining Walls
  • Civil Engineering - Dams and reservoirs
  • Civil Engineering - other
  • Coastal engineering
  • Construction law
  • Cost engineering (QS)
  • Geotechnics and foundations
  • Energy & Power - Fossil Fuel Systems
  • Energy & Power - Hydro Systems
  • Energy & Power - Solar Systems
  • Energy & Power - other
  • Infrastructure, Railways, Bridges
  • Marine and ports
  • Metro railway and stations
  • Road and highways - Planning, Layout and Design
  • Road and highways - bridges and car parks
  • Road and highways - other
  • Rail - High Speed rail
  • Rail - Infrastructu
  • Claims and variations

  • Extension of time
  • Project scheduling
  • Defects
  • Technical issues

Short summary experiences

Mr Soh Lieh Sieng is a consummate construction industry expert, having spent 30 years working for contractors, consultants and employers throughout the United Kingdom, Europe, Asia Pacific and the Middle-East in engineering, construction and dispute resolution roles. Over the years Lieh Sieng has developed skills in project management, construction of major bridges and infrastructure works, airports and buildings, power plants, oil/gas construction and heavy-lift operations. A considerable part of Lieh Sieng’s early career involves the design and construction of major infrastructure projects in the UK, Europe, Middle East and Hong Kong/China, particularly in long span structural steel and post-tensioned concrete bridgeworks. Notable projects include Highway Widening and Railway Upgrading Schemes in the UK, the Dubai Airport Interchange in the UAE, Tsing Ma Suspension Bridge in Hong Kong and the Storebealt Suspension Bridge in Denmark. During a 10 year period between 1997 and 2007, Lieh Sieng was appointed to senior positions with multinational contractors engaged on a multitude of construction projects including coal-fired power plants, hydro power plants, automotive assembly plants, semiconductor plants, oil and gas process facilities, airports, landmark buildings, highways and bridges in Singapore, Malaysia, Indonesia, Philippines, Vietnam and Thailand. During this period Lieh Sieng was involved in numerous litigation and arbitration proceedings as a company director / management representative, and gained valuable experience working with leading legal counsels and expert witnesses during the dispute resolution process. Since 2008 Lieh Sieng’s career is predominantly focused on dispute resolution, providing expert advice in contract administration, changes and variations, delays and extension of time, and loss and expense in respect of delays, disruption and acceleration. Lieh Sieng provide his services as a specialist consultant, with appointments throughout S

Position and experience

Acredited mediator: No
Acredited arbitrator: Yes

Employment status:
Present position: Founding Partner, Contract Solutions-i Group
Previous positions: Managing Partner - Contract Solutions-i Group, Regional Director - Charlton Martin Consultants, Managing Director - Mero Asia Pacific , Executive Director - Cleveland Bridge & Engineering


  • Represented parties in over 20 arbitrations and over 250 statutory adjudications in Malaysia and Singapore
  • Expert Witness in court
  • adjudication and arbitration proceedings and has presented written and oral expert evidence in over 40 proceedings
  • As of 2As of 2022
  • acted as tribunal in 15 construction contract related dispute proceedings


  • Society of Construction Law (Singapore Branch)
  • Society of Construction Law (Malaysia Branch)

Panel listings

  • Asian International Arbitration Centre (AIAC)
  • Singapore Institute of Arbitrators (SIArb)
  • Malaysia Institute of Arbitrators (MIArb)
  • Hong Kong International Arbitration Cetnre (HKIAC)
  • London Court of International Arbitration (LCIA)
  • Construction Industry Payment & Adjudication Act (CIPAA) Malaysia

Qualifications, jurisdiction and discipline

  • Fellow - Chartered Institute of Arbitrators (FCIArb) UK
  • Fellow - Singapore Institute of Arbitrators (FSIArb)
  • Fellow - Malaysian Institute of Arbitrators (FMIArb)
  • Fellow - Academy of Experts (FAE) UK
  • Fellow - Royal Institute of Chartered Surveyors (FRICS) UK
  • Fellow - Chartered Institute of Building (FCIOB) UK
  • Fellow - Chartered Association of Building Engineers (FCABE) UK
  • Fellow - Association of Cost Engineers (FACostE) UK
  • NEC3 Project Manager - Institution of Civil Engineers (NECReg) UK