Surendra M. Gupta, Ph.D., is a Professor of Mechanical and Industrial Engineering and the Director of the Laboratory for Responsible Manufacturing, Northeastern University. He received his BE in Electronics Engineering from Birla Institute of Technology and Science, MBA from Bryant University, and MSIE and Ph.D. in Industrial Engineering from Purdue University. He is a registered professional engineer in the State of Massachusetts. Dr. Gupta’s research interests span the areas of Production/Manufacturing Systems and Operations Research. He is mostly interested in Environmentally Conscious Manufacturing, Reverse and Closed-Loop Supply Chains, Disassembly Modeling and Remanufacturing. He has authored or coauthored ten books and well over 500 technical papers published in edited books, journals and international conference proceedings. His publications have received over ten thousand citations from researchers all over the world in journals, proceedings, books, and dissertations. He has traveled to all seven continents viz., Africa, Antarctica, Asia, Australia, Europe, North America and South America and presented his work at international conferences on six continents. Dr. Gupta has taught over 150 courses in such areas as operations research, inventory theory, queuing theory, engineering economy, supply chain management, and production planning and control. Among the many recognitions received, he is the recipient of outstanding research award and outstanding industrial engineering professor award (in recognition of teaching excellence) from Northeastern University as well as a national outstanding doctoral dissertation advisor award.Mehmet Ali Ilgin, Ph.D., is an Assistant Professor of Industrial Engineering at Manisa Celal Bayar University. He holds a PhD in industrial engineering from Northeastern University in Boston, and BS and MS in industrial engineering from Dokuz Eylul University. His research interests are in the areas of environmentally conscious manufacturing, product recovery, remanufacturing, reverse logistics, spare parts inventory management, and simulation. He has published a number of research papers in refereed international journals such as Computers and Industrial Engineering, Robotics and Computer Integrated Manufacturing and the International Journal of Advanced Manufacturing Technology. He is a co-author of the CRC Press book ＂Remanufacturing Modelling and Analysis＂.