Lean Six Sigma and the Theory of Constraints: Tools, Case Studies, and Synergies

This book serves as a valuable resource for understanding the powerful synergy between two essential improvement management methodologies―Lean Six Sigma (LSS) and the Theory of Constraints (ToC). The authors expertly illustrate how integrating these approaches can result in substantial enhancements in organizational efficiency, particularly within the realms of continuous process improvement and key operational performance indicators. This comprehensive book offers a deep dive into the potential benefits of merging LSS and ToC, providing readers with practical insights and strategies for achieving optimal results in their business operations.

Lean Six Sigma and the Theory of Constraints: Tools, Case Studies, and Synergies uniquely combines two powerful methodologies, LSS and ToC, demonstrating how their integration can enhance operational efficiency and drive superior business outcomes. By providing a wealth of research findings, this resource substantiates the theories and methodologies with real empirical evidence. It establishes a robust theoretical framework for both LSS and the ToC, equipping readers with a comprehensive understanding of these methodologies to effectively implement them in practical settings. This book includes case studies and essential tools such as the DMAIC cycle, VSM, Kanban, Five-Step Focus, and bottleneck identification tool, among others.

Readers will gain insights on how to leverage these tools to identify waste, reduce variation, and eliminate constraints, resulting in tangible enhancements within organizations.

Wieslaw Urban is a professor at the Bialystok University of Technology, Poland, and specializes in Production Management, Lean Manufacturing, and Quality Management. He has published over 180 scientific articles and several books, and he has supervised five PhD dissertations and frequently reviews for scientific journals. Dr. Urban provides expertise for the European Commission and domestic innovation support agencies (NCBiR, PARP) and is a distinguished consultant on continuous improvement for international companies. He coordinated the GoSmart BSR (€1.8M, 2018–2021) and GoSmart & Excel BSR (€0.8M, 2021) projects on S3 development and business internationalization, funded by the Interreg BSR program.

Patrycja Rogowska is an assistant professor at the Bialystok University of Technology, Poland, and specializes in production management, the Theory of Constraints, and process improvement. She is the author and co-author of scientific publications in the field of production and process management, including research on value stream management and operational efficiency. In 2023, she earned a PhD in management and quality sciences with a dissertation on identifying constraints in printing industry production systems. Dr. Rogowska contributed to the €1.8M GoSmart BSR project (2018–2021) on S3 development and business internationalization, funded by the Interreg BSR program.