Arief Rahman is a lecture in Industrial and System Engineering at Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia. He earned a bachelor’s degree in industrial engineering from Institut Teknologi Sepuluh Nopember, Indonesia, and a master’s degree in Information Technology from Universiti Teknologi Petronas, Malaysia. He has published journal and conference papers. Arief has completed research projects with Toyota, Unilever, Semen Indonesia, Petrokimia Gresik, PLB, PJB, Indonesia Power, Pertamina, several government services/agency in Indonesia. His research interests include human modeling and simulation, lean organization, workload optimization, and corporate productivity management. He is a member of IEA and PEI.