The role of strategic leadership of a firm whithin a supply chain is an antecedent to the successful implementation of supply chain management. A strategic leader of the firm should interact and work with diferent value chain within the supply chain to add and deliver value to the final customer. The most imporant roles of the strategic leader dealing with the member value chains include cultivating a supply chain orientation within the firm, designing the supply chain network structure, organizing the supply chain business process and putting supply chain practitices into effect. Managers must realize the characteristics of national culture and cultivate consistent and uniform supply chain orientation within the firm in applying the supply chain orientation and implementing the supply chain practices in Sri Lankan companies.