·   Behavioral Operational Research

·   Combinatorial Optimization

·   Continuous Optimization

·   Data Mining

·   Data Science

·   DEA and Performance Measurement

·   Decision Support Systems

·   Energy Management

·   Engineering Optimization

·   Financial Modeling and Optimization

·   Game Theory

·   Global Optimization

·   Health Care Management and Applications

·   Heuristics and Meta-heuristics Algorithms

·   Location, Logistics, Transportation and Traffic

·   Multi-Criteria Decision Making

·   Network Optimization

·   Optimal Control

·   OR in Natural Resources

·   Production Planning and Management

·   Project Management and Scheduling

·   Quality Control and Management

·   Revenue Management and Dynamic Pricing

·   Risk Analysis and Disaster Management

·   Simulation, Stochastic Programming and Modeling

·   Supply Chain Management

·   Sustainable Systems

·   Uncertainty, Grey and Fuzzy Optimization

·   Water Resource Management

·   Applications of OR (Agriculture, Gas and Oil, Renewable Energy, Telecommunication, etc.)