Stephan Lunau has been managing partner of UMS Consulting, Frankfurt, Germany, since 1996. Since 1991 he has been active as a consultant, project leader, trainer and coach. The focus of his work is conceptual development combined with practical implementation of global business excellence projects in industry and service-oriented companies.
Renata Meran is a partner of UMS Consulting since 2008. After her degree in Economics with a focus on Statistics and Econometry, she has been project leader in process improvement and process development since 1999. Since 2002 she has been consultant, project leader, trainer and coach for industry and service organizations to implement business excellence initiatives. Her central topics are process improvement, process design and the development and implementation of Operational Excellence, especially in project management, applied statistics, process management, DMAIC development and the development of customized solutions for managers, trainers and coaches.
Dr. Alexander John is a partner of UMS Consulting since 2001. He is a consultant, project leader, coach and trainer for international industry and service organizations. His focus is on Operational Excellence within business excellemce initiatives, especially lean management, process improvement, project management, corporate management and controlling.
Olin Roenpage is a partner of UMS Consulting since 2001. He is an experienced consultant since 1997, with many years in the deployment of Six Sigma and business excellence initiatives in industry and service organizations of various scope. He consults in the conceptual phase, and accompanies projects during implementation and evaluation. A special focus of his are the soft factors, which are often critical for success. Innovation Excellence is another focus theme for him, when dealing with the development of products, processes and services. He covers both, the methods inprocesses and the controlling of development processes.
Christian Staudter became a partner of UMS Consulting in 2008. With degrees in Telecommunications and Information Technology and in Business, and a certificate as Innovation Manager, he is consultant, project leader, coach and trainer in process optimization, innovation management, product and process development, introduction of project management standards and the implementation of Innovation Excellence in business excellence initiatives, both in the industry and in service-oriented organizations.

The Six Sigma concept has enjoyed triumphant success throughout the business world for two decades, contributing significantly to net income improvement for companies large and small, public and private, well-known and unknown. For a number of years this successful concept has been supplemented by the tools of Lean Management, a set of strategies for improving product quality and delivery performance and reducing cost. As practiced by the authors of this book the Six Sigma+Lean approach combines the tried-and-tested tools of both worlds, which are linked together systematically in the proven DMAIC process model.

Define.- Measure.- Analyze.- Improve.- Control.