Our Expert

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 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 in contract administration and dispute resolution, providing expert advice on changes and variations, delays and extension of time, and loss and expense claims in respect of delays, disruption and acceleration. Lieh Sieng provide his services as a specialist consultant, with appointments throughout South East Asia, Hong Kong/China, India and the Middle East. Lieh Sieng is known for his extensive knowledge in the use of the FIDIC EPC and Design/Build Contract Forms where he has spent many years advising parties to infrastructure and power generation projects in several developing countries, as well as assisting parties in resolving disputes under FIDIC’s Dispute Adjudication Board (DAB) procedure.

Lieh Sieng has represented parties in over 20 arbitrations and over 250 statutory adjudications in Malaysia and Singapore. Lieh Sieng also regularly act as Expert Witness in court, adjudication and arbitration proceedings, and has presented written and oral expert evidence in over 45 proceedings, on disputes related to construction technology, defective works, contract termination, delay and extension of time, loss and expense, variations and contract interpretation in both domestic and international proceedings under ICC, AIAC and SIAC arbitration rules. As of 2023, Lieh Sieng have acted as tribunal in 16 construction contract related dispute proceedings.

Lieh Sieng holds qualifications in both Civil Engineering and Construction Law. A UK qualified Chartered Building Engineer, Chartered Surveyor, Chartered Construction Manager, Certified Cost Engineer and Accredited NEC3 Project Manager, he is a Fellow of the Royal Institute of Chartered Surveyors UK, the Chartered Institute of Building UK, the Chartered Institute of Arbitrators UK, the Chartered Association of Building Engineers UK, the Association of Cost Engineers UK, the Academy of Experts UK, the Singapore Institute of Arbitrators, the Malaysian Institute of Arbitrators, the Malaysian Society of Adjudicators and the Asian Institute of Alternative Dispute Resolution.

Lieh Sieng is an Accredited Expert Witness of the Academy of Experts.