Approaches to Improvement from Tunnell Consulting
What is Sigma?


Consultant Books

Leading Six SigmaLEADING SIX SIGMA: A Step-by-Step Guide based on Experience with GE and Other Six Sigma Companies
by Ronald D. Snee and Roger Hoerl, 2002

SIX SIGMA BEYOND THE FACTORY FLOOR: Deployment Strategies for Financial Services, Health Care, and the Rest of the Economy
by Ronald D. Snee and Roger Hoerl, 2004

STATISTICAL THINKING: Improving Business Performance
by Roger Hoerl and Ronald D. Snee, 2001



Trade Journal Articles

METHODS FOR BUSINESS IMPROVEMENT – A HOLISTIC APPROACH
by Ronald D. Snee

INTEGRATING LEAN AND SIX SIGMA --- A HOLISTIC APPROACH
by Ronald D. Snee and Roger W. Hoerl

THE HARD PART: Holding Improvement Gains
by Ronald D. Snee

10 STEPS TO PROCESS IMPROVEMENT
by Ronald D. Snee

WHAT CAN IMPROVE SIX SIGMA EFFECTIVENESS
by Ronald D. Snee

A SYSTEMATIC APPROACH TO DEVIATION REDUCTION THROUGH SIX SIGMA
by Thomas L. McGurk and Ronald D. Snee

WHEN WORLDS COLLIDE: Lean and Six Sigma
by Ronald D. Snee

EIGHT ESSENTIAL (SIX SIGMA) TOOLS
by Ronald D. Snee

THE SIX SIGMA SWEEP
by Ronald D. Snee

SIX SIGMA: DEVELOP USEFUL MODELS
by Ronald D. Snee

SIX SIGMA PROJECT SELECTION PROCESS
by Ronald D. Snee and William F. Rodebaugh, Jr