Review | Revise | Optimize

About Lean Revisions

As the leading provider of Lean Six Sigma training and consulting services, we set the standard for building innovative and solutions. With collective consulting experience of over 60 years, we have an impressive track record of saving, reclaiming and generating hundreds of millions of dollars in revenue for our clients. Our expertise is rooted in the teachings and mentorship of Dr. Deming, the architect of Six Sigma. Deming played a pivotal role in revitalizing Japan’s economy in the 1950s through his methods of operational excellence. This unique advantage and knowledge, acquired from the applied master of Six Sigma, sets us apart from other consulting firms in the field.

"A young Jeff with Dr. Deming"

Meet Our Team

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Jeff Gray


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Mason Gray


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Steve Phinney

Lead Consultant, ASQ CSSBB

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Jennifer Steiner

Client Engagement Strategist


What Our Customers Are Saying

“Anyone who knows #leansixsigma knows that once you learn about it you can’t stop using it. I have been using it since my days at WWU, and can’t wait to continue practicing in my professional (and personal) life!”

Jessica Reed

ASQ CSSYB, Manufacturing & Supply Chain Professional

” A timely and valuable topic. The cultural aspects of a continuous improvement mindset is often neglected in favor of implementing tools, so this is a good introduction to those looking to start or revive a continuous improvement program. “

Dr. Mark C.

Principal, Process Excellence Partners LLC

” I am thrilled and proud to say I have earned my ASQ Certified Six Sigma Yellow Belt! Through the Lean Revisions / Bellingham Technical College’s yellow belt course, I was able to hone my skills and understand what it takes to be certified. “