This work focused on finding the most effective ways to achieve efficiency in modern supply chain management by combining lean and agile methods the correct way. This work is also, qualitative, descriptive and exploratory; it reviews secondary literatures from 2020 to 2024 in order to grasp the understanding of operations, technologies and factors that are related around the implementation of lean-agile. The results demonstrate that combining lean processes and waste reducing methods with the agile and flexible strategies improves the performance, adaptability, robustness of supply chains. Digital technologies like AI, Big Data Analytics, and IoT contributes to this by allowing for real-time decision-making. This entails addressing of the management, and investing in the technological infrastructure. Industry differences are mentioned; for example, manufacturing is concerned with standardization, as healthcare wants flexibility, thus the frameworks should be developed with particular industry in mind. In conclusion, the results of this research indicate how a complete integrated lean and agile supply chain, supported by technology and proper organizational practices is required for sustainable performance of operations in an ever ending complex and uncertain global market.