This document provides an introduction to supply chain management. It defines supply chain management as the coordinated flow of goods and services from raw materials to end customers through a network of suppliers, manufacturers, distributors and retailers. The document outlines the importance of supply chain management in reducing costs and improving customer service. It also summarizes the origins and evolution of supply chain management practices and some current trends, such as expanding global supply chains, increasing responsiveness, reducing environmental impact, and lowering costs.