Management Team
Our Dedicated Management Team Members
Our Managers
Head of Group Finance & Account
Juriana Bt Mah Hassan
Juriana Bt Mah Hassan joined TRG Gas Sdn Bhd (Lingkaran Efektif Group’s Trading Division) in January 2015 as an Account Executive, before been upgraded as Senior Account Executive Lingkaran Efektif Sdn Bhd in January 2016. In January 2018, she was appointed as the Head of Account & Finance, Lingkaran Efektif Group.
She holds a Bachelor of Science Degree in Accounting at Universiti Teknologi Mara (UiTM). She has over 12 years of working experience in the construction, oil & gas and petrochemical industry.
Head of Group Human Resource & Admin
Hayatul Akmal bt Mohamed
Hayatul Akmal is the Head of Group Human Resources. She joined Lingkaran Efektif Sdn Bhd in 2015 as an Accountant and later on appointed to the current position. She leads and manages HR strategic plans, working closely with management team on developing talent, leadership, and learning programmes to drive performance and staff excellence.
She has over 8 years of working experience in Oil & Gas and Shipping companies. She holds a Master in Business Administration from UiTM and Bachelor of Commerce at University of Western Australia (UWA).
Operation Manager
Husna Bt. Ismail
Husna Ismail was appointed Commercial Manager in 2019. In January 2020, she was appointed as Acting Operation Manager to leads and oversees the operation activities for Lingkaran Efektif.
She joined Lingkaran Efektif Group in 2018 as a Quantity Surveyor. She holds a Bachelor’s Degree in Quantity Surveyor from UiTM. She has 7 years of working experience in the construction, oil & gas and petrochemical industry. Prior to joining Lingkaran Efektif, she was with KAS Juruujur Bahan Sdn Bhd in a technical and management role.
Project Manager (Plant Operation & Maintenance, Turnaround & Shutdown Services)
Suwaibah Bt Mohd
Suwaibah joined the Group in August 2020 as Project Manager (Plant Operation & Maintenance Division). She holds a Bachelor of Science Degree in Civil Engineering from Univerisiti Putra Malaysia (UPM).
She has more than 20 years of working experience in the construction, oil & gas, refinery and petrochemical industry. She was formerly with ENPROSERVE Sdn. Bhd. for 2 years and with other oil & gas related companies in design consultancy, construction and fabrication, and maintenance and specialised services.
Project Manager (Fabrication & Construction Services/EPCC)
Ahmad Wajdi bin Ismail
Ahmad Wajdi joined Lingkaran Efektif Group as a Project Engineer in November 2019. He leads and oversees the projects activities of Lingkaran Efektif Group. He was subsequently promoted as Project Manager (Fabrication & Construction Services/EPCC) where his main responsibilities are to execute the EPCC contracts and provides support to the relevant business divisions.
He holds a Bachelor’s Degree in Mechanical Engineering from Universiti Tun Hussien Onn (UTHM). He has 8 years of working experience in the oil, gas and petrochemical industry. Prior to joining Lingkaran Efektif Group, he was with App Engineering Pte Ltd (Singapore) and Timorlane Engineering Sdn Bhd in a technical and project management roles.
Find Us
Kemaman Office
Lot 22061, Kg. Injin Gergaji,
24000 Kemaman,
Terengganu Darul Iman
Kertih/Paka Office
Lot 10035 (PT11603),
Taman Industri Paka,
23100 Paka, Dungun,
Terengganu Darul Iman.
Pengerang Office
Lot 4319, Rapid Project Gate 2,
(Heavy Vehicle Access)
81600 Pengerang Kota Tinggi,
Johor Darul Takzim