Encik Yusoff Bin Hassan ("Encik Yusoff") has over 35 years of practical experience in the oil and gas industry as a specialist petroleum engineer and resource manager. He has hands-on experience as an operator on all aspects of the upstream oil and gas fields activities in the exploration, development and production operations. These include oil and gas reserves evaluation, fields developments planning for new and matured fields, drilling and workover, reservoir management and assessment, production optimization, wells and facilities integrity, brown field rejuvenation, enhanced/improved oil recovery process and etc. He has good exposures on matters related to contract procurement processes, health, safety and environment (HSE), production facilities, MOPU and FSO operations.

He has vast experience in Production Sharing Contract, Joint-Venture projects, outsourced contracts and leading various international and domestic projects for both onshore and offshore environments in Malaysia, Chad, Sudan, Iran, Canada, Turkmenistan, Kazakhstan and many other countries. He made significant contribution to PETRONAS in building the manpower capabilities and skills through structured capability development programs.

Encik Yusoff joined PETRONAS in 1983 and during his tenure with PETRONAS and PETRONAS Carigali Sdn Bhd, he served in various technical and leadership positions until his retirement in 2015. His recent assignment was a consultant cum Head Petroleum Engineering for CaspiOilGas LLP in Aktau, Kazakhstan from 2018 to 2020.