Jude A. Okolie is an Assistant Professor at Gallogly College of Engineering, University of Oklahoma. He was a postdoctoral fellow in the Department of Chemical and Biological Engineering at the University of Saskatchewan, Canada. He earned a doctoral degree at the University of Saskatchewan. Ugochukwu Patrick Okoye earned a PhD in chemical engineering at Universiti Sains Malaysia. He worked as a postdoctoral fellow at Shenyang University of Technology, China. He is an Associate Professor at the Instituto de Energias Renovables, Universidad Nacional Autonóma de Mexico.