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Driving the Bus

A colleague of mine, Charlie Hagan, had a unique scale for assessing professional experience and competence. He would describe someone

Little’s Law

The inventory in a process is related to the throughput rate and throughput time by the following equation: W.I.P. Inventory

Warehousing Maturity

Recently a supply chain executive asked me to rate his warehousing operations. "OK, on what scale?" I said, trying to

Inventory and Demand Analysis

ABC Analysis can be used to assign the appropriate level of control and review frequency based on the annual dollar

Tale of Two Business Systems

by James Womack In the fall of 1990, Dan Jones, Dan Roos, and I co-authored The Machine That Changed the

Change, I Ching, and Six Sigma

A critical component of any successful Six Sigma project is to overcome resistance to change. The reason: without acceptance, any

Sustaining, or “Walking and talking the talk”

The CFO and VP Manufacturing at a new client are frustrated; two plus years into their lean journey and they

Why Training Doesn’t Work

Funny, I just finished up a training session today on Value Stream Mapping when the following showed up in my

Just in Time, Just in Case, and Just Plain Wrong

Jim Womack jwomack@lean.org I started my e-letters immediately after the terror attacks of September 11, 2001, as a response to

Supply Chain Atlanta Roundtable

American Society of Transportation & Logistic and Supply Chain Atlanta Roundtable panel discussion with top industry specialist Chris Barnes, Mike

Understanding Lean Logistics

Supply chain management was designed to take waste out of supply chains-waste as to excess inventory, time and cost. Supply

Minarai: apprentice, beginner; learn by observing

As I’m starting up a new lean sigma mentoring relationship next week I’ve been pondering roles and approaches: what will

Is Lean more than warmed over JIT?

Recently I heard a speaker disclaim that Lean was just warmed over and repackaged Just-In-Time; nothing new. For some reason

Trends in Supply Chain Technology – Bullwhip

Pete Sinisgalli, president & CEO of Manhattan Associates was the guest speaker at the Atlanta Council of Supply Chain Management

W. Edwards Deming

Pioneer in Quality Philosophy, W. Edwards Deming is widely held to have been one of the leaders who helped create

So, what’s so wrong with EOQ?

A day ago I had a debate/discussion with a fellow lean thinker on EOQ, or Economic Order Quantity. It seems

Continuous Improvement

Definition: The management discipline to constantly eliminate waste, improve response time, simplify the design of both products and processes, and

2005 Salary Survey

From the December 8, 2005 issue of Purchasing. Time for a raise I’d say … * = Fewer than

Don’t make me tell you again …

Supply Chain Soup

Trying to replace one soup can in the middle of a display can lead to disaster. If you decide to

Reflections on the Future of Quality

Courtesy of Quality Progress, Dave Watkins writes in Reflections on the Future of Quality that: The quality management system lags

2006 Economic Outlook

Ted Daywalt, CEO and President of VetJobs Veteran Eagle offers his 2006 economic outlook in the latest issue of VetJobs

The Resilient Enterprise

by Yossi Sheffi was a gift from Rebecca Kane Dow of ConnStep to thank me for a Lean Six Sigma

It’s a Flat World

With the Christmas holiday here I’ve managed to knock off another book; The World is Flat by Tom Friedman. The

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