Key Management Team

IR. BAKRI BIN ISHAK

Chairman of GSSB Director (CEO's Office)

Malaysian, Male, 64

Academic / Professional Qualifications:
• Bachelor Degree in Civil Engineering (Hons) from University Malaya (1985)
• Postgraduate Master Degree in Civil and Environmental Engineering from Kumamoto University, Japan (1994)
• Registered Practising Professional Engineer with Board of Engineers Malaysia (1995)

Date of Appointment:
• 02 April 2012 – Operation Director
• 26 May 2016 – Redesignated as Chief Operating Officer of Construction Division
• 1 March 2018 – Promoted as Managing Director
• 10 January 2024 – Redesignated as Chairman of GSSB
• 9 August 2024 – Appointed as Director (CEO’s Office)

Working Experience:
Upon graduation in 1985, Ir. Bakri bin Ishak began his career as a Design Engineer with the Public Works Department of Malaysia (JKR) and later was subsequently promoted as a District Engineer. After ten years of service, JKR sent him for a Master’s Degree in Japan for two years and upon returning in 1994, he was seconded to KLIA Berhad to lead the construction of KL International Airport (KLIA) in Utilities Department as Assistant General Manager, Construction. Subsequently, he joined Ahmad Zaki Sdn Bhd (AZRB) as a Project Manager and been promoted as General Manager 3 years later. After eleven years of service in AZRB, he left as an Executive Director, Operation and joined Gabungan Strategik Sdn Bhd as an Operation Director in 2012.

With about 37 years working experience in the construction industry, Ir. Bakri has vast hands-on experience as Project Manager and Project Director for various construction projects including lowmedium rise buildings, high-rise buildings and infrastructure of both urban elevated highways, interchange, rail tracks including the first Mass Rapid Transit V1 (MRT-V1), Jalan Duta Highway, Persiaran Putrajaya and other developments such as housing, apartments and shop lot development, hospitals, stadiums, universities, mosques and other public amenities such as the iconic Masjid Tuanku Mizan (Putrajaya), Universiti Teknologi Petronas and several other prominent buildings.

With his great exposure in construction of variety of projects, the educational team of UTM Razak School and KLIA College invited him to be a guest lecturer to specifically share his valuable experience and to give a lecture on Safety Engineering to Executive Master in Occupational Safety & Health (EMOSH) course students. Aside that, he also was selected to be a member of various subcommittee as a Technical Advisor for CIDB, UTM Razak School and KLIA College. His experience and service in Construction Industry has been recognised and been conferred the ‘Anugerah Tokoh Industri Pembinaan’ during the KLIA College Convocation in 2018.

IR. TAI JIUNN HONG

Managing Director, Property Division

Malaysian, Male, 47

Academic / Professional Qualifications:
• Bachelor Degree in Civil Engineering (Honours) majoring in Construction Management from University of Technology Malaysia (2001)
• Master of Business Administration (Honours) majoring in Finance and Strategic Management from University of Malaya (2005)
• Board of Engineer (BEM) Registered Professional Engineer with Practising Certificate (PEPC) (since 2006)
• Corporate Member of International Real Estate Federation (FIABCI) Malaysian Chapter (since 2013)
• Member and Sub- Committee of REHDA Selangor Chapter, Malaysia (since 2015)

Date of Appointment:
• March 2015 – Division Head
• 26 May 2016 – Redesignated as Chief Operating Officer of Property Division
• 1 March 2018 – Promoted as Managing Director, Property Division

Working Experience:
Ir. Tai Jiunn Hong has more than 24 years of working experience in the industry of civil, structural, geotechnical engineering and property development. He began his career with Tonkin & Taylors Malaysia as a Structural and Geotechnical Engineer in 2001. He was involved in the Perbadanan Putrajaya Complex and the iconic Arch Structure, Putrajaya Boat House, Bank Negara Financial Services Resource Center (FSRC) as well as mega infrastructure project, the KL Monorail.

He obtained his Masters of Business Administration with major in Finance and Strategic Management in 2005 and subsequently moved into property development. He joined CP Landmark Sdn Bhd in 2005 and was involved in the redevelopment of the mixed development of Queensbay, Penang. During his tenure with CP Landmark Sdn Bhd, he was leading the development planning, construction and tenancy of the longest mall in Penang, Queensbay Mall, alongside with the development and construction of Eastin Hotel Penang, landed residentials and condominiums.

In year 2008, he joined Bandar Raya Development Berhad (“BRDB”) and with the company for more than 6 years as an Assistant General Manager. One of his first role in BRDB was the redevelopment of boutique premium malls namely, Bangsar Shopping Center (BSC), of which he was leading the development, tenants mix planning and construction of the live mall aside with the development of BRDB Tower adjoining BSC. Subsequently, he was in charged for the development of the renowned high-end condominium, Serai at Bukit Bandaraya and few more high-end mixed and integrated development locally and overseas.

SI SO TIAN ANN

Executive Director, Contracts

Malaysian, Male, 57

Academic / Professional Qualifications:
• Bachelor of Applied Science in Construction Management and Economics from Curtin University of Technology, Australia

Date of Appointment:
• 02 January 2015 – Assistant General Manager for Post Contracts Department
• 26 May 2016 – Re-designated as Head of Pre & Post Contracts Department
• 1 March 2018 – Promoted as Executive Director, Contracts

Working Experience:
Si So Tian Ann has about 31 years of experience in the construction industry and involved in various construction and development contracts. During his tenure with the company, he spearheaded the team in the procurement and contracts management for the projects undertaken by the company.

MUHAMMAD RIDHWAN BIN EFFENDY

Vice President, Strategic Planning & Investment (CEO’s Office)

Malaysian, Male, 35

Academic / Professional Qualifications:
• Bachelor of Commerce, majoring in Banking and Finance from Monash University (2012)

Date of Appointment:
• 02 April 2018 – Vice President of Strategic Planning & Investment under the CEO’s Office

Working Experience:
Muhammad Ridhwan bin Effendy was appointed as Vice President of Strategic Planning & Investment under the CEO's office on 2 April 2018. He holds a Bachelor of Commerce, majoring in Banking and Finance from Monash University.

Within GBG Group, he is actively involved in Planning, Business Development, Corporate Finance, Investment and Investor Relations. He works closely with the GBG Group’s CEO, Managing Directors of Construction and Property Development divisions, as well as the Finance Department. His responsibilities include assessing potential ventures, co-leading fundraising activities, financial management, formalising business plans, managing investor relations, and overseeing the development of the GBG Group’s corporate communications strategies.

He started his career in the equity research industry in 2012 as an Equity Research Associate at UOB Kay Hian Securities (M) Sdn Bhd where he was promoted to Investment Analyst in less than 2 years, covering the Construction, Property Development, Real Estate Investment Trust (REIT) and Oil & Gas sectors. In 2016, he advanced to Senior Analyst, specialising in the Construction and Property Development sectors. His role encompassed detailed equity research, industry trend forecasting, and delivering investment recommendations. In 2017, he was recognised with two of The Edge’s Best Call Awards.

SR. MUSTAFA BIN MOHD SAID

Vice President, Contracts

Malaysian, Male, 47

Academic / Professional Qualifications:
• Bachelor Degree of Quantity Surveying from Universiti Teknologi Mara (UiTM) (2002)
• Registered Quantity Surveyor of Board of Quantity Surveyors, Malaysia (since 2017)
• Member of The Royal Institution of Surveyors Malaysia (since 2017)

Date of Appointment:
• 2 June 2015 – Contract Services Manager
• 1 March 2018 – Promoted as Vice President, Contracts

Working Experience:
Sr. Mustafa Bin Mohd Said as more than 23 years of extensive experience in pre- and post-contract administration, with a strong focus on the construction and property development sectors. He commenced his career in June 2002 with Ahmad Zaki Sdn Bhd as an Assistant Quantity Surveyor, where he was entrusted with contract administration, progress payment recommendations, and variation order management. He played a pivotal role in establishing and managing Loss and/or Expense claims across multiple projects.

In 2005, he was seconded to Ahmad Zaki Saudi Arabia Ltd in Riyadh, Saudi Arabia, where he served until 2009. During this period, he was responsible for contract administration, procurement, and daily project operations across various high-profile developments, ensuring construction costs were managed within budget. His portfolio included significant landmark projects such as the Alfaisal University Project in Riyadh, King Abdullah University in Jeddah, and Jabal Omar in Mecca. In recognition of his contributions, he was promoted to Assistant Contracts Manager in 2007.

Upon his return to Malaysia in 2009, Sr. Mustafa joined Dasa Sentosa Sdn Bhd as Contracts Manager, where he oversaw contract administration for government school projects in the Klang Valley. In December 2012, he joined Syarikat Muhibbah Perniagaan dan Pembinaan Sdn Bhd as a Contracts Manager, where he was responsible for contracts, procurement, and payment administration for the MRT Package V1 – Kota Damansara to Sungai Buloh project.

THUM PENG YONG

Vice President, Operations

Malaysian, Male, 63

Academic / Professional Qualifications:
• Bachelor Degree of Science in Civil and Structural Engineering from the University of Manchester Institute of Science and Technology (UMIST) United Kingdom (1984)

Date of Appointment:
• 15 November 2008 – Operations Manager
• 1 June 2013 – Promoted as Assistant General Manager, Operations
• 1 June 2014 – Promoted as General Manager, Operations
• 26 May 2016 – Redesignated to Deputy Chief Operation Officer, Operations
• 1 March 2018 – Appointed as Vice President, Operations

Working Experience:
Thum Peng Yong has more than 39 years’ experience in the construction industry. With his professional qualification and vast experience, the projects undertaken and successfully completed covers a wide range of projects which comprises of residential and commercial development, high rise condominiums/apartments, public buildings and infrastructure works.

CHEW WEI SHIN

Vice President, Development

Malaysian, Male, 46

Academic / Professional Qualifications:
• Bachelor Degree (Hons) in Civil Engineering from University of Technology, Malaysia (Year 2002)

Date of Appointment:
• 15 July 2015 – Project Manager, Development
• 26 May 2016 – Senior Development Manager, Development
• 1 March 2018 – Vice President, Development

Working Experience:
Chew Wei Shin has more than 22 years’ experience in the construction and property development industries, including construction of institutions, high-end residential and commercial developments.

Upon his graduation from university, he joined a local contractor firm as a Project Engineer and was involved in various infrastructure projects for private sectors and construction projects for government institutions.

In year 2010, he took up a new challenge in the development industry as Assistant Manager in Sunway City Berhad and was responsible for the expansion of Monash University, Sunway University as well as Sunway Medical Center. He further strengthened his experience in high end residential developments in year 2013 by joining Perdana Park City, the developer for award winning-township Desa ParkCity, KL. The high-end mix development - The Breezeway was one of the prestigious projects under his involvement.

NAZARUL HISHAM BIN SABARDIN

Vice President, Mechanical & Electrical (M&E)

Malaysian, Male, 55

Academic / Professional Qualifications:
• Bachelor Degree in Mechanical/System Engineering from Universiti Putra Malaysia (UPM) (1995)

Date of Appointment:
• 13 December 2017 – Head of Mechanical & Electrical (M&E)
• 01 January 2022 – Vice President, Mechanical & Electrical (M&E)

Working Experience:
Nazarul Hisham bin Sabardin has 30-years of experience of managing projects involving various M&E works including Airport, Hospital, Viaduct & Stations for MRT & LRT, Retail, High Rise Office Tower and Residential Building.

He began his career in 1995 with Perspec-Taisei-Kajima- Shimizu-Hazama Consortium as Project Engineer, M&E for KLIA. He then joined Putra Perdana Construction Sdn Bhd as Senior Engineer, in 1998 for the completion of Federal Administrative Government Building Parcel C, Putrajaya.

In 2000, he joined Ahmad Zaki Sdn Bhd which begin with hospital project and procurement for M&E work and medical equipment. He then joined MRCB in 2009 as a Senior Manager, M&E overseeing the delivery of project implementation and procurement for KL Sentral jobs.

In 2013, he returned to Ahmad Zaki Sdn Bhd as General Manager, M&E where he had successfully set-up the M&E Department in the Company and leading all M&E team at all projects for the work of planning, procurement and work implementation.

He guided the planning, procurement and furnishing medical equipment for Design & Built International Islamic University Malaysia (IIUM) Teaching Hospital, Kuantan and lead the completion of JKR HQ Building for Green Building Index (GBI) Platinum rating.

Involved as M&E key player for successful completion of Malaysian Anti-Corruption Commission (MACC) HQ, Putrajaya on 2017 for Pembinaan Mitrajaya Sdn Bhd.

In December 2017, he joined Gabungan Strategik Sdn Bhd as Head of M&E, leading the team for several projects and appointed as Vice President, M&E in 2022. 55

IR. KHOO TECK THYE

Vice President, Operations
Malaysian, Male, 56

Academic/Professional Qualifications:

• Bachelor of Engineering (Hons) Civil Engineering, Nanyang Technological University Singapore
• Master of Business Administration, University of Strathclyde
• Member of Institute of Engineer Malaysia
• Professional Engineer

Date of Appointment:
• 2 December 2013 – Appointed as Operation Manager
• 19 April 2017 – Resigned as Operation Manager
• 9 June 2022 – Appointed as Senior Project Director
• 1 January 2024 – Promoted as Vice President, Operations

Working Experience:
Ir. Khoo Teck Thye has more than 21 years of experience in the construction industry. He began his career with Koh Brothers Building & Civil Engineering Constructor in Singapore in 1994, as a Project Engineer in charge of the design and build of 6 Blocks of 24-storey Residential Blocks with Multi-Storey Carpark. After completing the project in year 1997, he joined United Engineer of Malaysia (UEM) as a Senior Engineer and took charge of the infrastructure work in Nusajaya, Gelang Patah, and Design & Build of 250 Beds of Hospital in Lahad Datu, Sabah.

He joined Tung Hup Group (TH Group) construction division as a Project Manager in 1999 and was advanced to the role of Head of Operation while overseeing multiple projects across Malaysia including East Malaysia, Sabah. Before joining Gabungan Strategik Sdn Bhd (“GSSB”) as Operation Manager in the MRT Package V1 project from 2013 to 2016, he was with Dolomite Engineering Sdn Bhd as Assistant General Manager and then promoted to General Manager heading the construction division played a key role in business development and client relationship management from year 2009 to 2013.

Thereafter, he joined Sunway Construction Sdn Bhd in 2017 and served as Assistant General Manager and, then, rejoined GSSB in 2022 as a Senior Project Director in charge of Package GS04 of the Light Rail Transit 3 (LRT3) project, whose responsibilities included cross-functional teams to streamline project timelines and optimise resource allocation.

NORAZAILEILA BINTI AYOB

Group Financial Controller
Malaysian, Female, 43

Academic/ Professional Qualifications:
• Chartered Accountant, (CA) of Malaysian Institute of Accountants (MIA)
• Bachelor Degree of Accountancy (Honours) in University Teknologi MARA (UiTM)

Date of Appointment:
• 21 November 2025 – Group Financial Controller
• 3 April 2023 – Head of Group Finance

Working Experience:
Norazaileila binti Ayob is a Chartered Accountant with over 15 years of experience in financial leadership across the construction, property development, oil & gas, power generation, and energy sectors. She began her career with several privately held companies, gaining hands-on experience in strategic financial planning, project finance, and financial controls.

She was appointed as the Head of Group Finance of Gabungan AQRS Berhad in April 2023. Prior to joining the Group, she served as Head of Finance of Progressive Impact Technology Sdn Bhd from March 2021 to March 2023 and as Senior Manager, Group Finance at Country Heights Holdings Berhad from June 2017 to February 2021.

Her expertise in strategic planning, corporate finance, treasury, risk management and financial reporting underpins her commitment to driving financial excellence and supporting sustainable growth.

OOI LI ANN

Joint Company Secretary
Malaysian, Female, 38

Academic/Professional Qualifications:
• Bachelor of Arts with Honours (Commerce) from Liverpool John Moores University
• Associate Member of the Malaysian Institute of Chartered Secretaries and Administrators

Date of Appointment:
• October 2014 – Assistant Company Secretary
• 22 May 2017 – Joint Company Secretary

Working Experience:
Ooi Li Ann embarked on her career with a company offering secretarial services in Kuala Lumpur and Petaling Jaya in 2009 and subsequently held the position of Associate Senior until 2014. She then departed from the company and joined the private sector as an Assistant Company Secretary at Gabungan AQRS Berhad in 2014. During her tenure at the company, she assisted and supervised the secretarial department and was eventually promoted to Joint Company Secretary for Gabungan AQRS Berhad and its subsidiaries.