Graduated with double bachelor’s degrees in chemical engineering and biological engineering. More than 12 years of experience in Waste Industry started in wastewater treatment and later expanded into sanitary landfill, leachate treatment, landfill gas power generation, and wood waste pyrolysis gasification Waste-to-Energy (WTE) facility development and operation. He is currently involved in Municipal Solid Waste Thermal Treatment WTE facility development in the State of Selangor and Johor North and leading the Landfill Gas Management operation.

Zayrul Kama has more than 20 years’ of working experience involving civil construction and operations works at various fields mainly on infrastructure for port development, highway (operations and maintenance) and also land reclamation projects. He holds degree in Civil Engineering and also Master of Business Administration (Construction Business) from IIUM.

He joined Worldwide Landfills Sdn Bhd (WLSB) as a Senior Operation Manager since November 2017 leading the Waste Management team under Environment Division. He is responsible on the overall operations of all landfills under Worldwide Holdings Berhad (WHB) and Worldwide Landfills Sdn Bhd (WLSB) care and its subsidiaries.  

His current responsibilities include finance, treasury, tax and budget. He previously led Corporate Planning where he was responsible for group strategic planning and was involved in the business development team.

Mohd Rosli began his career with audit firm before joining Worldwide Holdings Berhad in October 2005 as a Senior in the Internal Audit department. He holds a Bachelor of Accounting from Universiti Teknologi MARA. He is a member of the Malaysian Institute of Accountants. Mohd Rosli attended the General Manager Program at the Malaysian Institute of Management.