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Executive Committee Members

Executive Committee Members

AECOM Asia Company Ltd.

Ir Clayton Chan obtained his Master Degree of Engineering in 1998. Since then he worked for contractors for 2 years and joined AECOM in 2000. He is now an Executive Director of AECOM with extensive experience in planning, design, construction, site supervision and project management of various large-scale civil infrastructures projects in particular tunneling projects of road, rail, stormwater, sewer and water tunnels, with construction methods ranging from Drill-and-Break, Drill-and-Blast, Road Header, Tunnel Boring Machine (TBM), Pipe Jacking, Horizontal Directional Drilling (HDD), Soft Ground tunneling excavation (NATM) to Cut-and-Cover in Hong Kong, Australia, UAE, India, Thailand and Malaysia. He was also involved in the design and construction supervision of shafts, site formation, foundation, deep excavation and ground treatments in various major civil infrastructure projects. He has served as Committee Members in HKIE Geotechnical Working Group on Cavern and Tunnel Engineering and is an Executive Committee Member of AGS(HK) since 2012.




Golder Associates (HK) Limited

Dr Siew-wei Lee is a Director of Golder Associates Hong Kong Ltd. He obtained PhD from Cambridge University and MBA from HKUST. He is a qualified civil and geotechnical engineer and has more than 15 years of professional experience with geotechnical projects in Hong Kong and Asia Pacific countries. He was the Honorary Secretary of AGS (HK) in 2012-2013.

Immediate Past Chairman

Dr Siew Wei LEE

PhD MBA MHKIE MICE MIEM RPE(Civil & Geotechnical) CEng PEng


Ove Arup & Partners HK Ltd

Haydn Chan is an engineering geologist having 20 years experience and now is a senior geologist in Arup HK. He has extensive experience in project’s investigation stage such as desk study, aerial photograph interpretation, geological and geotechnical information reviewing and analysing in order to establish geological and design models and also characterizing the project sites in geological/ geotechnical aspects. He is also experienced in project management, planning, controlling and supervising ground investigation works, design and supervision of natural terrain hazard mitigation measures, blasting, piling, rock slope works and geotechnical instrumentation. 

Honorary Secretary

Haydn CHAN



Atkins China Limited

Lewis is a Registered Geotechnical Engineer (RGE) with over 16 years of professional experience in geotechnics and tunnelling. He has extensive working experience in large-scale infrastructure projects for government, quasi-government (e.g. MTRCL and Airport Authority) and private projects, notably for site formation works, ground improvement works and a wide variety of excavation scheme (e.g. TBM (EPB & Slurry), mechanical/mined excavation (drill-and-blast & drill-and-break), cavern, box jacking, microtunnelling (e.g. pipe-jacking) and cut-and-cover tunnelling) in geotechnically difficult or newly reclaimed land. Lewis has particular interest in implementation of geotechnical risk management as developed from his experiences in taking up the statutory or accountable role of RGE/Cat II for various private and public large-scale multi-disciplinary projects. He is now Associate Director of Atkins China Limited, member of the SNC-Lavalin Group. 

Honorary Treasurer

Lewis WONG



The Hong Kong Polytechnic University

Andy is currently Assistant Professor at The Hong Kong Polytechnic University. He received undergraduate education at The University of Hong Kong, after which he obtained Master of Science degree at University of California, Berkeley, USA, and Ph.D. degree at University of Cambridge, UK. Before joining HK PolyU, he has practised geotechnical engineering both in Hong Kong and the United States, and was involved in large-scale civil engineering projects in Hong Kong and various countries including the United States, United Kingdom, India, Kuwait, etc. His current research interests include soil-structure interactions, optimisations of pile groups and piled raft, and application of optical fibre strain sensors based on Brillouin Optical Time Domain Reflectometry (BOTDR).




Sun Sing Engineering

Richard Sun is a Design Manager in Dragages Hong Kong Ltd and has devoted himself to the civil engineering and geotechnical field for 19 years. He has participated in numerous design and construction projects in Hong Kong, Taiwan, UK, USA and Middle East. He has extensive significant experience in large scale deep excavation and tunneling of various challenging soils.

Ir Y F SUN, Richard


AECOM Asia Company Limited

Ir Raymond Sin is a Technical Director of AECOM in Hong Kong and actively involved in project management, detailed design and site supervision of civil & tunnelling of civil, infrastructure, underground railway stations, highway, tunnel, reclamation, geotechnical and building projects in Hong Kong, Singapore, Malaysia and India.

Mr. Sin has good experience in numerous projects comprising Tunnel Boring Machine (TBM), NATM Tunnel, Soft/Mixed Ground tunnelling excavation (NATM/Mined), Pipe Jacking, Drill-and-Blast (D&B), Drill-and-Break, Cut-and-Cover tunnel,  deep excavation for basement/underground station construction works, and has been site supervisor on the infrastructure projects.

Ir Raymond SIN



Geotechnical Engineering Office, CEDD

After graduating from Earth Sciences Department of the University of Hong Kong in 1996, Jeffrey Wong joined the Geotechnical Engineering Office, Civil Engineering and Development Department as an Engineering Geology Graduate and is currently a Senior Geotechnical Engineer. He is a Chartered Geologist with key experience covering geological survey, natural terrain hazard assessments, landslide mapping, slope upgrading works, as well as cavern and underground space development studies. 

Jeffrey 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.



Gammon Construction Limited

Martin is a Chartered Engineer with more than 20 years of professional experience, mostly in the foundation/deep excavation design and ground engineering in Hong Kong. He joined Gammon Construction Limited in 1993. He studied at the Polytechnic University of Hong Kong for civil engineering and obtained his Bachelor Degree in 2001 and Master Degree in 2012. He has a 10 years working experience in the application and theory in geotechnical instrumentation and laboratory/field testing for soil and foundation. He is proficient in the design for various foundation systems and deep excavation works with 10 years related practices and experiences.

Ir Martin YIP

BEng(Civ Eng) Bsc(COMP Sci) MEng(Civ Eng) CEng MICE MHKIE RPE


Bachy Soletanche Ltd

Raymond is a Project Manager of Bachy Soletanche Ltd with more than thirty five years of experience in tendering, contractual management and site supervision in projects. He also involves in technical study, proposal and support for tenders and projects particularly in engineering geology. He has worked on a wide varieties of geotechnical projects in Hong Kong, Southeast Asia and China in fields of ground investigation, directional drilling, instrumentation, piled foundation, ground anchoring, slope greening, site formation, ground treatment by soil and rock grouting, vibroflotation and soil stabilization. Currently, he is the Quality and Geotechnical Manager for Bachy Soletanche–Sambo Joint Venture for marine deep mixing works. He is currently the Committee Member of Site Investigation Contractors’ Committee (SICC), and acted as the Vice-Chairman for SICC of Hong Kong Contractors Association (HKCA) from 2015 to 2017. He is an approved Geotechnical Engineer, Site Agent, and Authorized Signatory under the Approved Lists of Development Works Bureau of HKSAR. He is also the Editor and Committee Member of Professional Branch of The Geological Society of Hong Kong. On behalf of the Society, he joined the Working Group of Civil Engineering and Development Department for reviewing and updating the GEO Publication: Geoguide 4- Cavern Engineering.

Ir Raymond CHAN

Dip Eng Msc(Const Mgt) Msc(App Geo) MHKIE RPE(Civil) MASCE MCIOB FGS

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The Reinforced Earth Company

Business Development Manager – Reinforced Earth Pacific Limited. Graduated from 
University of Salford, UK (BEng Civil) and completed an MSc degree in University of 
Manchester Institute of Science and Technology, UK.  Norman has been working in the Terre 
Armée Group for 20 years and has involved the projects such as Tuen Mun Road widening 
(Eastern and Tai Lam Section), TM-CLK Link Southern Viaduct Section.  He has also involved in 
project management and design of the Reinforced Earth wall in Vietnam.  He was a Project 
Manager of the projects in Vietnam between 2011 to 2016 and the project in Philippine in 
2019. He is now based in Hong Kong. 

Norman Man Hin LEE

AECOM Asia Company Limited

After obtaining a Master of Engineering degree from Cambridge University in 2015, Alex Leung joined Golder Associates Hong Kong Ltd. He has been involved in deep excavation, reclamation and TBM tunneling projects. He is currently also a part-time MPhil student at the Hong Kong University of Science and Technology. His research study focuses on soft clay behaviour and ground improvement.


Alex Leung_Photo_HQ.jpg

Meinhardt Group

Roger has over 17 years of experience in the geotechnical field, is a Registered Geotechnical Engineer and is currently a Technical Director at Meinhardt Infrastructure and Environment Ltd. He has been employed by consulting firms, in Canada for 7 years and currently in Hong Kong, primarily as the Contractor’s Designer role. After graduating in Canada, he was involved with temporary works and excavation and lateral works on iconic projects such as the Royal Ontario Museum, the Royal Conservatory of Music, and the Art Gallery of Ontario.

During his time in Hong Kong he has worked on major infrastructure projects specializing in Reclamation, Ground Improvement, Temporary Works and Excavation and Lateral Support.

Roger LEE



Caim obtained his bachelor's degree in Earth Sciences in 2012 and master's degree in engineering Geology in 2015 at HKU. Having worked for a specialist contractor, design consultants and main contractors, he has solid experience in the design and construction of advanced ground investigation, reclamation, D&B tunnel and TBM tunnel works. He is now a deputy geotechnical manager with Dragages Hong Kong which oversees the design and supervision of geotechnical works as well as the instrumentation monitoring works.   

Caim Chan

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