Enhance PSM design with metrics-driven best practices

has over 33 years of experience working in the refining and petrochemical industry. While working first with Chevron for 10 years and then retiring from Marathon Petroleum Co. after 23 years, he progressed through various in-plant and corporate refining facility and project engineering, operations, maintenance and equipment inspection/reliability managerial positions. His areas of expertise include risk-based equipment inspection and mechanical design relative to the loss of primary containment damage mechanisms, safety systems and overpressure protection. Mr. Marshall holds a BS degree in civil engineering from Purdue University and is a registered professional engineer (PE) in the state of Indiana.