Fouad El Ouardighi is a professor of operations and supply chain management, optimal control theory, and differential game theory at ESSEC Business School, France. His research focuses on developing interdisciplinary approaches at e.g. the interface of operations and marketing management, in environmental economics and sustainable operations management, R&D competition, and pandemic control, etc., and more generally on promoting the use of dynamic methods in economics and management science. He has been a visiting scholar at various academic institutions, such as the University of Washington in Seattle, HEC-Montreal, McGill University, Bar-Ilan University, HEC-Paris, and the Technical University of Vienna. Gustav Feichtinger is an emeritus professor in operations research at the Technical University of Vienna, Austria, where he founded the Institute of Operations Research, since renamed the Research Unit for Operations Research and Control Systems. He is also the founder of the Vienna school of optimal control theory and dynamic games, which has since gained international prominence and paved the way into the academic world for many scholars who now hold senior positions in various universities throughout the world. He organized the highly regarded series of Viennese Workshops on Optimal Control, Dynamic Games, and Nonlinear Dynamic Systems for more than 25 years. He has broad research interests and has made substantial contributions in such diverse fields as optimal control theory, operations research, demography, economics, the management sciences, population dynamics, the social sciences, etc. He has been a visiting scholar at many universities in Europe, North America, Australia, Chile, Colombia, Russia, Iran, Vietnam, Japan, and China.
