Professor Richard Lee Smith Jr. is a renowned expert in supercritical fluid technology and green chemical processes, currently serving at the Graduate School of Environmental Studies, Tohoku University, Japan. He earned his Ph.D. in Chemical Engineering from the Georgia Institute of Technology (USA) in 1985. His research focuses on supercritical and subcritical fluid processes, biomass utilization, phase equilibria, and sustainable extraction methods using environmentally friendly solvents such as supercritical CO₂ and ionic liquids. Professor Smith has published over 250 scientific papers, authored influential books including “Introduction to Supercritical Fluids: A Spreadsheet-Based Approach” (Elsevier), and serves as the Asia Regional Editor for The Journal of Supercritical Fluids. His contributions have earned him multiple honors, including being named a Fellow of the Society of Chemical Engineers Japan (SCEJ) in 2024. With extensive experience bridging fundamental thermodynamics and industrial-scale applications, Professor Smith is widely recognized as a global leader in green and sustainable separation technologies.

Ms. Fizreena binti Umanan is an engineer from the Supercritical Fluid Centre, Faculty of Food Science and Technology, Universiti Putra Malaysia (UPM). Her research interests focus on green technology, sustainable processing, and separation science, with a particular emphasis on the use of Supercritical Fluid Extraction (SFE) for natural product recovery, purification, and environmental innovation. She is passionate about promoting eco-friendly and energy-efficient technologies that support sustainable industrial development. Through her active involvement in research, workshops, and academic collaborations, Ms. Fizreena aims to bridge the gap between theoretical principles and industrial applications of green separation technologies. Her work contributes to advancing Malaysia’s efforts in sustainable chemical engineering and environmental technology at both national and international levels