Jamal Shamas, Sc.D., PE
Observer · DISC type ciJamal Shamas is a Principal Refining Engineer and Corporate Wastewater Technologist at Marathon Petroleum with over 37 years of experience. He is a recognized expert in industrial water management across the chemical, refining, and petrochemical sectors, holding a Doctor of Science in Water Quality Management and a Professional Engineer license.
His career includes extensive global experience, providing unique perspectives on water solutions. In addition to his corporate roles, he has served as an Adjunct Professor at Louisiana State University and is a long-time member of the Water Environment Federation (WEF), holding various volunteer positions.
He is the recipient of multiple prestigious industry awards, including the W. Wesley Eckenfelder Industrial Water Quality Lifetime Achievement Award in 2025.
Read the full overview →How Jamal shows up
They can sound friendly and charming but can quickly change gears to become inquisitive and probing. They are generally strong communicators and are not easy to convince. They ask a lot of questions and rely heavily on information and collaterals.
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Calculativeness (C)
Calculativeness (C) reflects the degree to which a person is likely to be cautious, systematic and analytical. Those scoring high tend to emphasise quality and accuracy.
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