Mr. Al-Mannai is a Graduate of Bachelor of Science in Industrial Engineering from the University of Miami, USA in 1997. He joined Qatar Petrochemical Ltd (QAPCO) in 1997 beginning his robust career in Engineering working as Planning Engineer till 2001 and Maintenance Coordination Engineer until 2006. He then expanded his career acquiring the position of Head of Planning in 2007 at Al Shaheen Holding (fully owned Subsidiary of Qatar Petroleum). In 2008, he was appointed as HR and Administration Manager. Mr. Al-Mannai held this position up until his joining Gasal Company in 2016.