The Mathematical Optimization Society (MOS), known as the Mathematical Programming Society until 2010, is an international association of researchers active in optimization. The MOS encourages the research, development, and use of optimization—including mathematical theory, software implementation, and practical applications.
The Operational Research Society (ORS), also known as The OR Society, is an international learned society in the field of operational research (OR), with more than 3,100 members (2021). It has its headquarters in Birmingham, England.
The European Working Group on Multiple Criteria Decision Aiding is a working group whose objective is to promote original research in the field of multicriteria decision aiding at the European level.
Immanuel Bomze is an Austrian mathematician. In his Ph.D. thesis, he completely classified all possible flows of the generalized Lotka–Volterra dynamics on the plane, employing equivalence of this dynamics to the 3-type replicator equation.
The Hungarian Operations Research Society (HORS) is the professional non-profit society for the scientific field of Operations Research in Hungary. The society is recognized by the International Federation of Operational Research Societies and its subgrouping, the Association of European Operational Research Societies, as the main national society for Operations Research in its country,
The Gesellschaft für Operations Research (GOR) is the professional non-profit society for the scientific field of Operations Research in Germany. The society is a member of the European umbrella organization, the Association of European Operational Research Societies (EURO), and of the International Federation of Operational Research Societies (IFORS).
The Swedish Operations Research Association is a professional non-profit association for the promotion and dissemination of the scientific field of operations research in Sweden. SOAF was founded in 1959 with the dual purpose of promoting the development within the different branches of operations research, and work for its application within different problem domains. The association is a member of the European umbrella organization, the Association of European Operational Research Societies (EURO), and of the International Federation of Operational Research Societies (IFORS).
The European Chapter on Combinatorial Optimization is a working group whose objective is to promote original research in the field of combinatorial optimization at the European level.
The European Working Group on Vehicle Routing and Logistics Optimization is a working group within EURO, the Association of European Operational Research Societies whose objective is to promote the application of operations research models, methods and tools to the field of vehicle routing and logistics, and to encourage the exchange of information among practitioners, end-users, and researchers, stimulating the work on new and important problems with sound scientific methods.
The French Operations Research & Decision Support Society is a professional non-profit society that aims to promote the scientific field of Operations Research (OR) and Decision Support (DS) in France. The society is a member of the European umbrella organization, the Association of European Operational Research Societies (EURO), and of the International Federation of Operational Research Societies (IFORS).
The Belgian Society for Operations Research (ORBEL) is the professional non-profit society for the scientific field of Operations Research in Belgium. The society is recognized by the International Federation of Operational Research Societies and its subgrouping, the Association of European Operational Research Societies, as the main national society for Operations Research in its country.
The Operations Research Society of South Africa (ORSSA) is the national, professional body tasked with furthering the interests of those engaged in, or interested in, operations research (OR) activities in South Africa. The society is affiliated to the International Federation of Operational Research Societies and its subgrouping, the Association of European Operational Research Societies, and is the main national society for Operations Research in the country.
The Sociedad de Estadística e Investigación Operativa is the professional non-profit society for the scientific fields of Statistics and Operations Research in Spain. It was founded in 1962 and it is dedicated to the development, improvement and promotion of the methods and applications of Statistics and Operations Research in its widest possible sense. The society has an ultimate goal of putting Statistics and Operations Research to the service of science and society. The society is recognized by the International Federation of Operational Research Societies and its subgrouping, the Association of European Operational Research Societies, as the main national society for Operations Research in its country. SEIO is also member of CIMPA, Centre International de Mathématiques Pures et Appliquées, Confederación de Sociedades Científicas de España (COSCE), and of the European Mathematical Society (EMS).
EWG EU/ME, the EURO Working Group on Metaheuristics, formerly referred to as EU/ME – the metaheuristics community, is a working group the main purpose of which is to provide a platform for communication among researchers in the field of metaheuristic optimization, practitioners interested in applying metaheuristic optimization techniques in practice, developers of optimization software, and the general public.
The Polish Operational and Systems Research Society, POSRS is the Polish scientific, scholarly and professional non-profit society for the advancements of operational and systems research (OR/SR). The Society is the core active body of the Association of Polish Operational Research Societies (ASPORS), the formal member of the International Federation of Operational Research Societies and its subsidiary, the Association of European Operational Research Societies.
Maria Grazia Speranza is an Italian applied mathematician and operations researcher. Her research involves the application of mathematical optimization to problems including portfolio optimization and the combination of inventory management with vehicle routing.
The Hellenic Operational Research Society (HELORS) is the official non-profit society for the scientific field of Operations Research in Greece. The society is a member of the European umbrella organization, the Association of European Operational Research Societies, and of the International Federation of Operational Research Societies.
Paolo Toth is an Italian scientist and engineer, and an Emeritus Professor of Operations Research at the University of Bologna. He is known for his research in operations research and mathematical programming. He made significant contributions in the areas of vehicle routing, knapsack and other cutting and packing problems, train scheduling, set covering, vertex coloring and, in general, combinatorial optimization. As of 2023, he published over 170 peer-reviewed articles and was cited more than 10,000 times.
Cathal MacSwiney Brugha is an Irish decision scientist, the Emeritus Professor of Decision Analytics at University College Dublin's College of Business. He has applied his main field of nomology to decision analytics, multi-criteria decision-making, conflict resolution, protecting endangered languages, decision-making in rural Tanzania, strategy in China, and Irish politics. He is President of the Analytics Society of Ireland. His main research projects have been in Europe, Asia and Africa.
Silvano Martello is an Italian scientist and engineer, and an Emeritus Professor of Operations Research at the University of Bologna. He is known for his research in Operations Research and Mathematical Programming. In particular, he made significant contributions in the areas of knapsack and assignment problems, packing problems, and vehicle routing. As of 2023, he published 160 peer-reviewed articles and was cited more than 7000 times.
