Co-opt Members

Co-opt Members


CHAN Yun Cheung was for a short while the Head of the Geotechnical Engineering Office. He has since retired and is enjoying his time in the search of knowledge and fun. Having been involved continually in learned-society activities since his graduation in 1975, he has found that helping out learned societies and trade associations is rewarding in both aspects, hence his return to AGS as a personal member.


Dr Choi is Assistant Professor of the geotechnical group in the Department of Civil Engineering at The University of Hong Kong (HKU). Before joining HKU, he was Research Assistant Professor of the geotechnical group in the Department of Civil and Environmental Engineering at The Hong Kong University of Science and Technology (HKUST) and a Junior Fellow of the HKUST Institute for Advanced Study. 
Dr Choi is founding and current Chair of the Debris Flow and Steep Creek Hazards Mitigation Committee of the Association of Geohazard Professionals. He is a Board Member (alternate) of the International Consortium of Landslides of the United Nations Educational, Scientific and Cultural Organization (UNESCO), Chair-nominated Member of the Technical Committee on Slope Stability (TC208) of the International Society for Soil Mechanics and Geotechnical Engineering (ISSMGE), and Hong Kong nominated representative for the Joint Technical Committee (JTC1) on natural slopes and landslides. Clarence received the 2017 Telford Premium Prize from the Institution of Civil Engineers in UK and the 2017 R.M. Quigley award from the Canadian Geotechnical Society.

After graduation in 1983 with a Bachelor's Degree in civil engineering, Warren Dou started research and practice in the geotechnical engineering field. Later on, he obtained a Master's Degree in Geotechnical Engineering at the University of British Columbia, Canada in 1991. He has practiced in China, Canada, and recently in Hong Kong since 1998, in the fields of geotechnical and civil engineering, foundations, and seismic & earthquake engineering. He has been involved in almost all aspects of geotechnical engineering across different regions and through various projects. This includes geotechnical investigation, analysis, design, construction supervision and project management, in areas of deep excavation & support system, earthworks, retaining structures & slopes, site formation works, foundations, ground improvement, and reclamation works for projects ranging from railways, highways, bridges, tunnels, marine structures to building developments in Hong Kong, Macau, China, Asia, Middle East, Australia and North America. He is experienced in advanced numerical modelling for geotechnical problems, foundations, basement excavation, tunnels, and static & seismic soil-structure interactions. Warren is Senior Technical Director of China Road and Bridge Corporation (Hong Kong).


Fugro Geotechnical Services

Dr William HT Fung heads the Site Investigation Department at FGS. He leads the department to deliver safe and technically proficient site characterisation services encompassing ground investigation, field testing, geophysical survey and instrumentation activities. Prior to the role, he had extensive exposure to engineering analysis, design and construction for geotechnical and bridge engineering developments. With over 25 years of experience in academic research, and consultancy and specialist work, he brings holistic approach to devising site characterisation solutions in risk controlling of natural hazards and infrastructure developments.


Upon graduation in 2000, KL joined Dragages and acquired extensive experience in different large-scaled civil projects, such as KMB Depot, KCRC Lok Ma Chau Spurline, East Tsing Yi Viaduct, Ocean Park Redevelopment Project. KL arrived in a position of Construction Manager in 2009 managing all the Drill and Blast activities of MTR WIL703 – a tunnel project in Sai Ying Pun. In 2014, he was nominated the deputy PD of MTR SCL 1128 – a tunnelling project in Causeway Bay and Wanchai – and was promoted to the role of PD in 2017.

In 2013, KL was nominated as a HKIE Scheme “A” Engineering Supervisor and is a team leader in Dragages Scheme A management committee. In 2015, KL was a speaker in a forum “Inspiring Young Engineers” in which he explained some latest techniques in Tunnel Boring Machine. In 2017, KL spoke on a few forums about the technology and innovations applied in SCL1128.



Ricky Lee joined the Cambridge Soil Mechanics research group and completed his MPhil in Geotechnical Engineering in 2005. Following his MPhil study, he worked as an instructor in the Department of Civil and Architectural Engineering at City University of Hong Kong, where he started his PhD in a joint location mode at Sheffield University and completed in 2012. He has more than 15 years, teaching, research, consulting and construction experience. He is currently the Director of Kin Yu Engineering HK Company Limited.

Tse-Hung is a qualified civil and geotechnical engineer with over 18 years’ experience in the field of civil engineering and construction management. Over the last decade, he specialized in underground engineering for the design and operation of major infrastructure projects across the globe ranging from major Metro projects, Highway Tunnels, High Speed Rail Tunnels and Deep Sewage Tunnels. He has extensive experience through works in Singapore Government, and with both the Contractor's and Consultant's organizations in Hong Kong. He has led and developed the tunnelling team in Arup’s Hong Kong office. He is acting as the Tunnel Team Leader for tunnel support design in the design and build contract of subsea tunnels of Tuen Mun-Chek Lap Kok Link that involved the use of world’s largest TBM and the pioneer mini-TBM for cross passage construction.

Ir Tse-Hung LEE

China Harbour

Bill Wan obtained his first class honour degree in civil engineering from University of Brighton, England in 1997 and achieved his professional status both HKIEs and ICE in March 2002. Bill has collectively 32 years working experience, both design and construction, in civil engineering infrastructure, geotechnical and maritime works. Since graduation, he gained his professional training in Scott Wilson Ltd and was promoted to Principle Engineer. He also worked for few civil engineering contractors in the capacity from Design manager to Deputy Project Director. Major projects he was responsible for included KCRC Tsuen Wan West Station and Approach Tunnels, Port of Balboa in Panama (D&B), RC Caisson Breakwater at Costa Azul in Mexico (D&B), DSD Tai Po Treatment Works Stage 5, CEDD Site Formation for Kai Tak Cruise Terminal Development, CEDD Infrastructure Works at Town Centre South Tiu Keng Leng, DSD Tuen Mun Western Trunk Sewage, and MTRC Kai Tak Station and Associated Tunnels. He has well experience in design and construction of deep excavation, piles, diaphragm walls, reclamation, instrumentation and monitoring, breakwater, berthing quay, tunnel and substructures. He is now Assistant General Manager of China Harbour Engineering Company Limited.

Ir Bill WAN

Jianbing Wang is a technical director of Jacobs China Limited. He is a Chartered Engineer with 27 years experience of design, management and supervision in geotechnical and civil engineering projects. He graduated in civil engineering at the Chongqing University of Architecture and Engineering, PRC, in 1982 and obtained a PhD in geotechnical engineering at the University of Wolverhampton, UK, in 1996. He has gained extensive experience in tunnels, pipe jacking, deep excavation, shallow and deep foundations, earth retaining structures and marine works. He was the geotechnical design leader and site supervisor of many deep excavations, tunnelling and foundation works projects in Hong Kong, including KSL Contract KDB 400 railway tunnel project and HKHA Redevelopment of Lower Ngau Tau Kok Estate Phase 1. He is currently leading a Hong Kong based team on geotechnical modelling of complex underground projects at Heathrow Airport Grade Separated Road Project and Blackfriars Station Redevelopment in London.

Dr Jian-bing WANG


C M Wong & Associates

Allan Wong is a civil structural tunnel and geotechnical engineer with nearly 38 years of experience. Allan is a Fellow of American Society of Civil Engineers and Fellow of Geological Society of London. Allan was Chief Civil Engineer in charge of KCRC West Rail Project. He is currently Senior Resident Engineer for M+ Museum an 8 Billion dollars construction project over AEL floating tunnel.

Specialties: Registered Structural Engineer & Experience in design, construction supervision and project management and familiar with the government submission procedures (e.g. Buildings Department, Architectural Services Department and Housing Department) and quasi-government submission procedures (MTRC, Airport Authority, WKCDA) , Good Track record of delivering large scale HK/Singapore/Macau/China assignments; Excellent understanding of HK construction regulation and legislation.

Ir Allan WONG

Timothy Wong is an Associate Director with Fugro (Hong Kong) Limited. He has 20 years experience on projects in Hong Kong, Macau, China, Vietnam and Indonesia. His experience includes geological and geotechnical assessment and design of site formation, foundation, deep excavation, micro tunnel, slope upgrading and mitigation works for residential and commercial development for both private and government sectors. He also involves in contract management and providing geotechnical advice on maintenance and investigation study for slopes of potentially unstable. Outside Hong Kong, he provides independent geotechnical review and advice on design of reclamation, deep excavation and foundation construction for projects of gas and oil facilities; cement plant and near-shore structures.

Ir Timothy WONG

John Cowland is an Independent Geotechnical and Geosynthetics Engineering Consultant, based in Hong Kong, China, with 40 years of experience. John has provided advice to over 60 government and private sector clients throughout the Asia Pacific region on geotechnical and environmental projects; including solid waste landfills, dams, tunnels, mines, slopes, soft ground, coastal reclamations, liquid storage and disposal of contaminated soil.

John is an invited Member of the Environmental Geotechnics Committee TC 215 of the International Society for Soil Mechanics and Geotechnical Engineering and he was a Council Member of the International Geosynthetics Society (IGS) from 2000 to 2014. He has published 50 technical papers on geosynthetics and geotechnical engineering.


Eleonora Di Mario is a chartered civil engineer working as a senior member in the geotechnical team of Tony Gee and Partners. She has large scale infrastructure project experience in Europe, Brazil, India and Hong Kong gained over the last 9 years.


After successfully obtaining her professional status in Italy, she moved to Hong Kong where she has been involved in major reclamation and infrastructure projects, developing her expertise on both a technical and managerial level. Working for contractors on alternative design schemes, he has gained an in-depth knowledge of the construction aspects and industry standards of a wide range of geotechnical works. 

Ir Eleonora Di-MARIO

Mott MacDonald Hong Kong Limited

Dr Suraj has over 38 years of international experience in geotechnical engineering, specialising in reclamation over soft ground and ground improvement. Some of the key reclamations he has worked on are the Al Raha Beach reclamation in Abu Dhabi, the Tseung Kwan O reclamation, and the Container Terminal 9 reclamation and port development. He is currently working on the 650 hectares Hong Kong 3RS reclamation to build the 3rd runway at the Hong Kong Airport. 
His wide-ranging international infrastructure experience spans from Saudi Arabia to South Korea, having worked on Ports, Metros, Bridges and Township Developments for major Government and Private Clients in Saudi Arabia, UAE, India, Bangladesh, Singapore, Malaysia, Hong Kong and South Korea. Some of his key infrastructure projects are the Western Harbour Crossing immersed tunnel project in Hong Kong, Singapore Downtown Line 2 (DTL2) for LTA, Tsim Sha Tsui Station concourse Extension in Hong Kong for HK MTRC, the 6km long Padma Bridge pile foundation design in Bangladesh for BBA, and the Lee Sung Sin Suspension Bridge in Yeosu, South Korea for Daelim.  
He is currently leading the Geotechnical Team in the Greater China (GCH) region for Mott MacDonald Hong Kong, as the Director Geotechnics. He is currently responsible for geotechnical aspects of some major projects; the reclamation for the 3rd runway at the HK Airport, the people mover tunnels (APM/BHS) at the HK Airport expansion, and a major hospital expansion in Hong Kong. 

Steve Power is an Engineering geologist with more than 25 years experience of working in Hong Kong and other countries including Malaysia, South Africa and the UK. He is an Associate Director with Mott MacDonald (Hong Kong). Steve is a Chartered Geologist (CGeol) and a Chartered Engineer (CEng) and his experience covers geological assessments and geotechnical design for a range of tunnels, caverns, slope stability and foundation projects around the world. Steve has a particular interest in promoting excellence and innovation in ground investigation and the efficient and effective interpretation of the results which forms the basis for cost effective and safe geotechnical design. In this regard, Steve heads the AGS-HK working group promoting and improving the AGS data format for the efficient transfer data between ground investigation contractors and other parties in Hong Kong and the use of geotechnical databases for storage and management of ground investigation data. 

Ir Stephen POWER

Dr Sérgio Lourenço is an Assistant Professor at the Department of Civil Engineering, University of Hong Kong having joined in 2014 from Cardiff University (UK). Prior to that he worked at Geotechnical Observations Ltd in London, a spinoff from the Imperial College London. Sérgio’s first, second and third degrees are from the New University of Lisbon (Portugal), Kyoto University (Japan) and Durham University (UK). Sérgio is currently developing functional (hydrophobic) coatings for granular materials targeting impermeable or semi-permeable barriers for ground applications. Funding, as PI, is from the HK Research Grants Council (three active grants), with past grants from the Engineering and Physical Sciences Research Council (two grants as PI), and the Royal Society with academic and industrial partners from HK, UK, Germany and Japan. Immediate past research concerned unsaturated soils and rainfall-induced landslides. He currently sits in three editorial boards (including the Canadian Geotechnical Journal), is a member of the Physical Sciences Board (Royal Society UK) and EPSRC’s Peer Review College, and a member of the International Soil Mechanics and Geotechnical Engineering TC211-Ground Improvement and affiliate for TC106-Unsaturated Soils. He supervises 3 PhD students and 2 postdocs and holds 44 ISI journal papers.

Dr. Sergio Lourenco

Aurecon HK Limited

SL is a geotechnical professional and Registered Geotechnical Engineer (RGE) with more than 30 years of experience in design and construction management of geotechnical engineering and academic research. In the last decade. SL is also an active participant in various affairs and activities of the society of engineers in Hong Kong and the Region. He has also been invited speaker and paper presenter at seminars and conferences in HK, China, Taiwan and Malaysia over the past decade. He and co-authoring with others, has published more than 15 papers on the subjects about foundation design and construction, deep basement excavation, and slope engineering, as well as buildings and infrastructures development projects in Hong Kong, China, Taiwan and overseas.

Ir Dr Sing Lok Chiu

BSc, DIC, PhD, RGE, RPE(G), MHKIE, MIEAust, CPEng, NPER-3 (Civil)


Tel: +852 3922 8607

Fax: +852 3922 9797


8/F Grand Central Plaza, Tower 2, 
138 Shatin Rural Committee Road, 
Shatin, Hong Kong

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