Ormee Kumar Dey's presentation discusses supply chain management. It defines a supply chain as a system involving the transformation of raw materials into finished products that are delivered to customers. It also defines supply chain management as overseeing materials, information and finances as they move from suppliers to manufacturers to wholesalers to retailers to consumers. The presentation discusses the types of supply chains, including internal and external supply chains. It notes some key advantages of effective supply chain management systems, such as quality assurance, inventory buffers, increased profits and reduced costs.