Mohd Azizi Che Yunus is currently working as a Professor at the Department of Chemical Engineering, Faculty of Chemical Engineering and Natural Resources Engineering, University of Technology Malaysia (UTM), Skudai, Malaysia. He holds a Ph.D. from the Science University of Malaysia. His research interests include supercritical fluid extraction, separation process and chromatogram analysis, process engineering, chemical processes, process optimization, separation technology, process analysis, process development, modeling and simulation, distillation, simulation, and optimization.