Operational efficiency is a key driver of long-term success in today's enterprises, where streamlined processes, quality management, and continuous improvement are essential for competitiveness. Operational Excellence in Modern Enterprises focuses on the principles and tools that enhance productivity, innovation, and customer satisfaction. The book discusses Lean management, Six Sigma, process optimization, and performance measurement. It also highlights the integration of automation, data analytics, and sustainability into operations. By combining real-world case studies with strategic insights, it equips professionals with the skills to design and sustain operational systems that deliver consistent excellence and business growth.