Rahmat Sotudeh-Gharebagh is an Associate Professor of Chemical Engineering at the University of Tehran. His research interests are in the fields of multiphase reactors, process modelling and optimization, and chemical engineering education. He holds a B.Eng. degree in chemical engineering from Sharif University of Technology, Tehran, Iran, plus a M.Sc in Process modeling and Simulation, and Ph.D. in fluidization from Ecole Polytechnique de Montreal, Canada.