Hendri Barnard is a process engineer at Sasol South Africa (Sasol Pl., 50 Katherine St., Sandton, 2090, South Africa; Email: hendri.barnard@sasol.com). He supports plant operations by developing plant monitoring instruments, designing mass and energy balance tools, conducting daily plant monitoring to ensure safe and predictable operation, identifying optimization opportunities, and troubleshooting deviations to identify root causes and feasible solutions that eliminate reoccurrences. He has a bachelor’s degree in chemical engineering from the Univ. of Pretoria.