My guest for Episode #518 of the Lean Blog Interviews Podcast is Jerry Wright, author of the new book The Insanity Trap: What Your MRP Consultant Won't Tell You.

Jerry M. Wright, PE, MBA, is an accomplished operations executive and teaching professional with over 39 years of experience in the manufacturing and service sectors. 

His extensive career spans various industries, including aerospace, consumer goods, healthcare, medical devices, diagnostics, and industrial sectors, where he has held leadership roles in engineering, operations, quality assurance, and operational excellence (OpEx). 

He is an expert on taking businesses from MRP "insanity" to Pull Systems (Kanban) and driving operational excellence through the implementation of Toyota Production Systems (TPS/Lean) tools and methods.

He's a Master Black Belt and only the 7th person in the world to receive the Lean Gold Certification (LGC) from the joint alliance of ASQ, AME, SME, and the Shingo Institute.

In this episode, Jerry shares his insights and hard-earned lessons about the pitfalls and inefficiencies of Material Requirements Planning (MRP). Jerry reflects on his career, starting with his early Lean experiences at Kimberly Clark, where he encountered the challenges of forecasting, production scheduling, and the recurring "insanity trap" of MRP. He discusses the implementation of Kanban systems, the impact on inventory management, and how turning off MRP systems helped teams dramatically reduce shortages and excess inventory.

Through real-life examples, Jerry illustrates how companies can shift from traditional MRP-driven processes to more effective demand-driven and Kanban-based systems, leading to operational improvements, better employee engagement, and more reliable supply chains. The episode also touches on the psychology of change management, navigating the resistance from those invested in outdated systems, and how leadership can foster a more adaptive, efficient environment by embracing simplicity over complexity.

• What is your Lean origin story?

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