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ty-black Er. Teo Yann

Managing Director

Teo Yann graduated with a Bachelor of Engineering (Mechanical) degree from the National University of Singapore in 1985. Upon graduation, he worked with a Japanese ACMV Contractor, Shinyo Corporate on the Singapore MRT Phase I consisting of first 20 MRT stations. Subsequently, he joined a Singapore M&E Contractor, Indeco Engineers on the Singapore MRT Phase II consisting of the next 20 MRT stations before joining a local Main Contractor, Hock Lian Seng Engineering on the Seletar Sewerage Treatment Plant Expansion.

He joined Squire Mech in 1990 as an Executive Engineer, obtained his Professional Engineer in 1994, was made an Associate Director in 1996 and a Director in 2005. Since he joined Squire Mech, he has worked on numerous projects of various natures. Some of the more signification projectes are the Shangri-La’s Sentosa Beach Resort Hotel, redevelopment of the United World College, Orchid Country Club, Spring Grove Condominum, Fuzhou Changle International Airport in Fuzhou, China, Saigon Sheraton Hotel in Ho Chi Minh City, Vietnam, Semiconductor Testing Facility and UMC Wafer Fab Plant. Some of the above mentioned projects have won Singapore Building Construction Authority’s Construction Excellent and Energy Efficient Award.

Since 2003, Teo Yann has been appointed to lead Squire Mech’s presense in China. To date, Squire Mech has been appointed for CapitaLand’s Residential Westwood Green in Shanghai, CapitaLand Retail’s Xizhimen Mall Beijing, Qibao Mall in Shanghai, Shapingban Mall in Chongqing, Shawan Mall in Chengdu, Frasers’ Northpoint Mall Beijing, Hualien’s Mall.

Today, Squire Mech has offices in Shanghai, Beijing and Chengdu. In 2017, Mr Teo was promoted to Managing Director.



Er. Koh Choon Tee

Executive Director (Singapore)
Managing Director (China)

Er Koh is an Executive Director and part of the management team, charting the strategic directions and business performance of the firm. Choon Tee graduated from Nanyang Technological University, Singapore with a Bachelor of Engineering (Mechanical) in 1995. Upon graduation, he worked with Plant Engineering Construction before joining Squire Mech in 1996 as an Engineer, and obtained his Professional Engineer in 2005.

With Squire Mech, he has actively taken part in a wide variety of projects that included residential, institutional, office buildings, commercial complexes, industrial, infrastructure, hotels, resorts and several retrofitting works. Some of the more significant projects are ITE College East, NUS Yong Siew Toh Conservatory of Music, and Pfizer Asia Pharmaceutical. Some of the projects he participated have won award for Design and Construction Excellent and also Energy Efficient Award. Choon Tee was the Lead Mechanical Engineer on the Pfizer Asia Pharmaceutical in Tuas Singapore. In this project, he coordinated site-wide utilities and designed the fire protection system. This involved full hydraulic calculations to meet NFPA and FM requirements.

Choon Tee also has extensive experiences in the design and implementation for schools. He applies energy-efficient and cost effective solutions to the design of the building services. Projects such as United World College and ITE College East have won local BCA Green Mark awards.

Since 2007, Choon Tee was assigned to assist and lead our China effort. To date, he has participated in numerous projects in China, and shared his professional experience and ideas with his subordinate engineers, demonstrating his outstanding leadership and project management skills. Among them, Shanghai Andaz/Langham Hotel, Changchun Hyatt Hotel, Zhuhai St. Regis and Sheraton Hotel, Hainan Sunny Bay Park Hyatt and Andaz Hotel, Wuxi Suning Plaza, Tianjin Keppel Land Seasons City, Zhongshan Keppel Land Sunset Yacht Club, and Wuxi Columbia Hospital are key projects he had involved.

Choon Tee has been committed in promoting green building sustainable design throughout the course of his career. He obtained his master of Science in Sustainable Building Design from University of Nottingham and Green Mark Manager in 2014 and 2008 respectively. At the same time, he completed the development of M&E Engineering Design Standards and Global Sustainable Building Design Guidelines for Hilton Hotels Management Group.

In addition, Choon Tee has also wealth of experience in overseas projects, having worked on many buildings types in Myanmar, Cambodia, Dubai, Vietnam.



 sc-black Er. Stephen Chen

Executive Director (Singapore)
Managing Director (Malaysia)

Er. Chen is an Executive Director and part of the management team, charting the strategic directions and business performance of the firm. Er. Chen graduated with a Bachelor of Engineering (Mechanical) with merit from Nanyang Technological University, Singapore.

Er. Chen has vast experience in planning, design, installation and commissioning of building services. Er. Chen is a registered Professional Engineer of PE Board Singapore since Jun 2000.  The major projects handled by Er. Chen as Project Director and Qualified Person includes CapitaSpring 51-storey 280m tall Mixed development,  Toll Offshore Petroleum Services Supply Base, Halliburton Plant, Glaxo Biological Plant, Abbott Nutritional Plant, MSD Pharmaceutical Plant, Dupont Vespel Plant, Institute of Technical Education – College Central/Headquarters, Overseas Family School, CapitaGreen 40-storey 242m tall office, People’s Association Headquarters, Oxley Tower 32-storey 165m tall office, Bedok Point Shopping Complex, North Point Shopping Complex, Rasa Sentosa Hotel Resort, Futura Condominium, The Azure Condominium and Formula One Pit Building.

Er. Chen has also completed projects in Malaysia with Squire Mech Sdn Bhd, a wholly owned subsidiary of Squire Mech Pte Ltd. Er. Chen is a member of the Institution of Engineers Malaysia and a registered Professional Engineer with the Board of Engineers, Malaysia. Er. Chen is the Managing Director of Squire Mech Sdn Bhd. He is responsible for the administration and management of Squire Mech’s business operation in Malaysia.




Er. Eng Kwee Chew


Eng Kwee Chew was awarded Bachelor of Science (Honours) by the Council of National Academic Awards (UK) through Thames Polytechnic in 1971. He has extensive experience in the planning design, installation and commissioning of low and high tension distribution networks for residential, commercial and industrial developments in Singapore from the mix sixties.

Mr Eng was in the services of the London Electricity Board for about five years during he received training and gained experience on the design, selection, installation and commissioning of both low and high tension distribution and transmission networks. Mr Eng was responsible for the specification and selection of high and low tension electrical equipment for the Public Utilities Board. He was Head of the Consumers Installation Division responsible for the vetting of single line drawings of large industrial and commercial development and the testing of all electrical installations in Singapore. Mr Eng was member of M&E Consulting Team for the PUB Building.

He has assisted in the drafting of several specifications and Code of Practices for the Singapore Insitute of Standards and Industrial Research. He has served on the Technical Committee on specifications for Low Voltage Switchgear and Controlgear Assemblies and, PVC Insulated Cables (Non-Armored) for Electric Power and Lighting.

He is a registered Professional Engineer of the Professional Engineers Board, Singapore since 1974 and a Licensed Engineer and Registered Inspector of the Singapore Civil Defence Force since 23 November 1994. He is also a member of The Institute of Engineering and Technology, UK and is also a registered Chartered Engineer of C.E.I UK since 1981. He has served as a Council member of Institution Engineers, Singapore for 1982 to 1984 and has served as Technical Unit Committee and Community Services Committee during this period.



wlt-black Er. Wong Lok Toon


Wong Lok Toon graduated from the University of Singapore in 1973 with a first class honors degree in Mechanical Engineering. Subsequently he went to the University of Aston in Birmingham on a Colombo Plan Scholarship for postgraduate studies and took a Master’s degree in 1975.

Lok Toon started his career as an Engineer with Changi Airport Development Division of the Public Works Department in 1976. He was involved in the planning, design, building and maintaining of the new international airport complex at Changi. For his role in this prestigious national project, he was conferred the Public Administrative Medal (Bronze) in 1982.

After 10 years with the Public Works Department, Lok Toon joined the private sector and held senior management positions with building services consultants and also with contracting firms. His professional experience covers a wide spectrum of activities from planning, design, procurement, commissioning to facilities management. He has accumulated experience in many different types of development from shopping malls and offices to education institutions, healthcare facilities and airports, from working in projects in Singapore, China, Hong Kong, Macau, Malaysia, Indonesia, Philippines, Vietnam, UAE and Qatar.



Mr Loh Wei Liang


Loh Wei Liang graduated from Ngee Ann Polytechnic in 1989. He worked as an Assistant Engineer with Indeco Engineers Pte Ltd involving in the Pulau Seraya Power Plant project after his graduation until 1990. He went on to obtain his Bachelor of Engineering Degree in Electrical and Electronic Engineering (2nd Class Upper Honours) from the Queen’s University of Belfast, Northern Ireland, U.K in 1993. Upon graduation, he joined Squire Mech in 1993 as an Engineer. He is currently a Director with the company.

Since he joined Squire Mech, he has actively taken part in a wide variety of projects such as residential, institutional, and industrial, office buildings, hotels, commercial complexes, and several retrofitting works. Some of the more significant projects are Wyeth-Ayerst Pharmaceutical and Nutritional Plant, Grand Copthorne Water Front Hotel, King’s Centre, Peirce Villas and BMW Main Showroom and Workshop.

Wei Liang was the Lead Electrical Engineer on the Wyeth-Ayerst Pharmaceutical and Nutritional Plant. He coordinated site-wide utilities and advised the Client on the local requirements on electrical installation issues. He has since been involved in other industrial projects such as Schering-Plough, LONZA, BMW Showroom/Workshop etc. He was also the Lead Engineer for the 30-storey Grand Copthorne Waterfront Hotel.

Wei Liang also has wealth of experience in overseas projects, having worked on several projects in Malaysia and United Arab Emirates.



Er. Tan Hwee Khoon


Er Tan graduated with a Bachelor of Engineering (Electrical) Degree from the National University of Singapore in 1985.  Er Tan is a registered Professional Engineer of PE Board Singapore since 1996 and EMA Licensed Electrical Engineer with 22kV Switching.

Since joining Squire Mech, Hwee Khoon has been working on numerous projects of diverse nature. Some of the more significant projects include Woodlands Health Campus (WHC), Mandai Rainforest Safari Park, Mixed Development at Bideford Road and Remodelling Work at Alexandra Hospital Campus.

He has extensive experience in the planning, design, installation, testing and commissioning of healthcare facilities and Institutional buildings. Major projects handled by Er Tan includes Ng Teng Fong General Hospital, Jurong Community Hospital, Changi General Hospital Integrated building, Changi General Hospital Medical Centre, Changi General Hospital, SARS Facilities at various hospitals, First Three Government build/private Operators Nursing Homes, Polyclinics, Clinical Research Centre (NUS), Data Storage Institute (NUS), Block 1A (NUS), National Institute of Education (NIE) Jurong Campus, EMC Centre (NTU), School of Biological Sciences (NTU), Techno Plaza (NTU), NTU Phase 3B Development, Students/Graduate Students/Staff Housing at NTU. He was involved in mega project such as the Marina Bay Sands Integrated Resort (MBS) project took charge of the MICE Faculties and Infrastructure.



Lin Fei

Executive Director (China)

Lin Fei graduated from Sichuan University with a Bachelor of Engineering (Electrical) in 1995. He received his EMBA degree of Shanghai Jiaotong University and Chinese Senior Electrical Engineer Certification in 2014 and 2015 respectively.

From 1997 to 2004, Lin Fei worked in several engineering design company and contractors. A wealth of experience in project management, electrical design, site construction and installation inspectors has been accumulated. During this period, he completed projects such as shopping malls, hotels, office buildings, pharmaceutical factories, concert halls, hospitals, factories, supermarkets, etc., gaining understanding of the Mechanical and Electrical requirements of various types of buildings.

Lin Fei joined Squire Mech China in 2005 as a Project Manager and participated in projects including mixed development, hotels, shopping malls, office buildings, residential and serviced apartments, etc. From these projects, Lin Fei demonstrated his excellent project management capabilities during the design phase, construction drawing phase, tender phase, construction phase, testing and handover phase. Xiamen Westbay Cruise Mixed Development, Chengdu Joy City, Xi’an CapitaLand Mall, Shanghai Yuejie 3.0 Mixed Development, Hangzhou JW Marriot Hotel, Anji Club Med Resort, Shanghai Songjiang Guangfulin Hilton Hotel are the key projects he participated. In the several commercial shopping malls of CapitaLand, Lin Fei demonstrated his ability of the Electrical system design, site installation inspectors, project management.

Owing to his outstanding work performance, Lin Fei was promoted to Deputy General Manager and Executive Director in 2008 and 2013 respectively. He is responsible for leading 2 teams of Squire Mech China and serving as the Project Director in the project teams, assisting the Managing Director in the business development in China region. Business, as well as the company’s operation management, sharing new technologies and information for employees, guiding project development, design guidance and internal project auditing.



Ir. Tan Boon Tiong

Director (Malaysia)

Ir. Tan Boon Tiong graduated from University of Malaya in 2009 with Bachelor of Mechanical Engineering Degree (Honours).

Boon Tiong started his career with Jentrikon Perunding Sdn. Bhd. in 2009 as an Engineer and was actively involved in the design and implementation of various types of projects that included residential, institutional, office buildings, commercial complexes, hypermarkets, and several renovation projects. He has gained experience during his time with Jentrikon Perunding and obtained his Professional Engineer in 2013. He was promoted to Associate in 2013 at Jentrikon.

In Year 2015, Boon Tiong joined Jurutera Perunding Kuasa Tenaga Sdn Bhd as Mechanical Associate. His key responsibilities includes review, checking design, and signing of the Mechanical Services submission drawings as Submitting Person. One of the key project undertaken by him is Bukit Jalil KL Sports City Redevelopment, which had completed in time to host the 2017 Southeast Asian (SEA) Games.

Boon Tiong joined Squire Mech Sdn Bhd in 2017 as Director. With Squire Mech, he has actively taken part in various types of projects and some of the major projects are AirAsia Engineering Complex, 200 acres OIB Industrial Park Pulau Indah Masterplan Development and St. Regis Hotel KL. He is responsible for the administration and management of Squire Mech’s business operation in Malaysia.

Boon Tiong is a registered Professional Engineer with Practising Certificate (PEPC) with Board of Engineers Malaysia. He is also a registered ASEAN Chartered Professional Engineer and GBI Facilitator in Malaysia.



Er. Tan Hui Koon

General Manager (Vietnam) 

Er. Tan Hui Koon graduated from Institute of Technical Education in 1978, obtained C&G Full Technological in Science and Technology of Refrigeration in 1980 through self-study, Diploma in Mechanical Engineering from Singapore Polytechnic in 1984 and Bachelor of Engineering (Mechanical and Production Engineering) 2nd Class Honours Lower Division from Nanyang Technological University in 2001, both through part-time study. Hui Koon is a registered Professional Engineer in 2014.

Er. Tan Hui Koon has over 38 years of experiences in the construction industry and has been involved in various Residential, Industrial, Commercial and Institutional projects including condominiums, factories, offices, hotels, airport, institutions and infrastructures.

His core skills include project costing, site coordination, supervision and contract administration of mechanical and electrical services. Some of the projects he was involved in are Camden Medical Centre at Orchard Blvd, Cantonment Police Complex at Cantonment Road, Changi Airport Terminal 3, UMCi at Pasir Ris, North South Line from YCK to MRB, East West Line from LVR to CLE and Cable Tunnel (EW3) from Kallang to Paya Lebar.

He joined Squire Mech in Jan 2019 as General Manager for Squire Mech (Vietnam) Company Limited.