About Six Sigma

Six Sigma is a set of tools and strategies for process improvement. It is more than just a quality control system; it's a way of doing business.

Manufacturing History

  • 1200: Craftsmen begin organizing into guilds
  • 1750: Factory system started in Great Britain
  • 1830: Industrial Revolution
  • 1908: Henry Ford begins production of the Model T
    • Institutes the assembly line
    • Beginning of mass production
    • The start of lean manufacturing practices
  • 1920's: Walter Shewhart suggests that at three sigma from the mean, process correction is requiredWalter Shewhart
  • 1941: WWII - quality becomes critical component
  • 1948: W. Edward Deming teaches in JapanW. Edward Deming
  • 1970: Total Quality Management
  • 1980: Six Sigma, Quality Circles, Just-in-Time, Malcolm Baldridge, ISO 9000

The Origins of Six Sigma

  • 1970's: Mr. Bill Smith, a staff engineer at Motorola's Government Electronics Group (GEG), introduces a statistical approach aimed at increasing profits by reducing process variability.
  • 1990: Mikel Harry appointed head of Motorola Six Sigma Research Institute and becomes the driving force behind the development of “Six Sigma” business management. He coined the terms “Black Belt” and “Green Belt.”Mikel Marry
  • 1990: Lean Enterprise
  • 1994: Harry leaves Motorola to form the Six Sigma Academy.

List of industries that have used our services:


  • Aerospace
  • Automotive
  • Food processing
  • Foundry
  • Medical device
  • Metal fabrication
  • Plastic-injection mold
  • Wire fabrication


  • Distribution
  • Education
  • Government
  • Healthcare
  • Reality management

Our Purdue Manufacturing Extension Partnership (MEP) Six Sigma instructors average 23 years of experience in advanced manufacturing. With backgrounds ranging from Quality Management, Electrical Engineering, Mechanical Engineering, Finance, Technology Development, Product Design, and Process Improvement. Each of them is passionate about providing high-value solutions to help companies reach higher levels of performance. Purdue MEP is pleased to offer comprehensive Six Sigma Programs that includes management seminars, Black Belt and Green Belt training, and on-site implementation assistance.

Certifications include:

Certified by the American Society for Quality (ASQ):
  • Certified Quality Auditor
  • Certified Quality Engineer
  • Certified Quality Manager
  • Certified Six Sigma Black Belt
Certified by the Registrar Accreditation Board (RAB):
  • Certified Lead Quality Management Systems Auditor
  • Certified Lead Environmental Management Systems Auditor
Certified Lean Instructor
Certified Green Manufacturing Specialist