These conference proceedings focus on the topic of decision-making under uncertainty, smart decisions, management simulation and their applications in operations management for power and logistics companies. The Beijing University of Chemical Technology organized IFDS2015, the 3rd International Forum on Decision Sciences, with this year's theme being “Decision Making under Uncertainty”. The proceedings collect 7 selected papers presenting the cutting-edge modeling and solution methods and including numerous practical case studies, which are of interest for researchers and practitioners alike. Teachers, students and practitioners working in the fields of decision science, operations research, management science and engineering will benefit from the valuable findings presented in this book.