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 Nasser D. Al-Mahasher

 President & CEO

President & CEO Nasser D. Al-Mahasher was appointed President & CEO and executive member of the Board of Directors as of September 1, 2016, joining the Company with over 25 years’ experience in the refining and petrochemicals sector.


Al-Mahasher, who has a Bachelor’s degree in Chemistry from East Michigan University in USA and a Master’s in Chemical Engineering from Wayne State University, Michigan, and an Executive MBA from the International Institute for Management Development (IMD), Switzerland, joined Saudi Aramco in 1990 and has worked a number of areas, including refining technologies, operations, project management, marketing and international refining.


In 2005 he was made Saudi Aramco global refining coordinator, and in 2008 Head of Saudi Petroleum Ltd. in Tokyo, Japan. In 2012 he was appointed President & CEO of S-Oil in South Korea, while in 2015 he was made Adjunct Professor of Chemical & Biological Engineering by Seoul National University in South Korea.

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