By Joseph Muga
In recent years, governments and municipalities
all over the world have begun using new management techniques to improve
service delivery to citizens, reduce errors, excessive cycle times,
inefficient processes and cost overruns related to public sector
projects.
Whether you are in the public or private sector,
the issue of service and customer satisfaction reigns supreme. There is
no excuse for over-bureaucracy, waste and poor performance.
Many have used the Lean Six Sigma methodology; an
approach focused on customer service through quality improvement,
reduction of variation and cycle time, as well as elimination of waste.
Lean Six Sigma is a systematic, data driven,
customer-centric strategy for process improvement. It is based on the
concept of combining two improvement programmes, Six Sigma and Lean
Enterprise.
Six Sigma is both a quality management philosophy
and a methodology that focuses on reducing variation, measuring defects
and improving the quality of products, processes and services.
The concept was developed in the early 1980s at
the Motorola Corporation and was popularised by General Electric and its
former CEO Jack Welch.
Lean Enterprise is a methodology that focuses on
reducing cycle time and waste in processes. It originated from Henry
Ford and was perfected by Toyota Motor Corporation as the Toyota
Production System and increased in popularity after the 1973 global
energy crisis.
The term Lean Thinking was coined by James Womack
and Daniel Jones in their book by the same title. The term Lean
Enterprise is used to broaden the scope of Lean Programmes from
manufacturing to embrace the enterprise or entire organisation.
Lean Six Sigma uses a structured approach to solving problems using the DMAIC cycle:
• Define — Define six sigma projects to resolve operational issues.
• Measure — Measure performance of the processes and the Lean Six Sigma project.
• Analyse — Analyse project performance in relation to operational goals.
• Improve — Improve Lean Six Sigma business process performance.
• Control — Control inputs to the project management system to ensure sustainability of Lean Six Sigma.
Although most of Lean Six Sigma implementation has
been in the private sector, mostly in the manufacturing industry, it is
now a common approach in non-manufacturing, service and the public
sector.
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