What is Operational Research? Operational research (OR) is a scientific approach to the solution of problems in the management of complex systems that enables decision makers to make better …

A snapshot view of many of the OR methods within the field of operational research.

Operational Research (OR) is about solving real problems using logic, data and structured thinking. It helps organisations make better decisions in areas like transport, health, energy, and finance.

The Journal of the Operational Research Society (JORS) presents papers that typically cover the theory, practice, history or methodology of OR.

EURO 2025 promises insightful presentations, stimulating discussions, and ample networking opportunities, all designed to inspire collaboration and growth in the field of Operational Research.

Operational research (OR), also known as operations research, has its roots in the early 20th century, particularly during the World Wars. It emerged as a response to the complex logistical and strategic …

Welcome to the Operational Research Society (ORS), dedicated to advancing the field of operational research, data science and analytics. For over 75+ years, we have been at the forefront of promoting …

Today executives in every kind of organisation – large and small, private, and public and not-for-profit – are using operational research (OR) to unlock value in their data, model complex systems, and make …

The Operational Research Society ( OR Society) is the organisation for professionals, academics and students who work in operational research, decision analytics, and data science.

The Operational Research Society (ORS) offers training to help you build the analytical and decision-making skills essential to operational research, artificial intelligence and analytics.