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Demand Driven Institute

The Demand Driven Institute (DDI) is dedicated to proliferating consistent demand driven methods approaches through education, training and certification. The Demand Driven Institute has a global presence through its global network of affiliates.   

The Demand Driven Institute (DDI) was founded in 2011 by Carol Ptak and Chad Smith, co-authors of DDMRP (Industrial Press, 2016) and Orlicky’s Material Requirements Planning, Third Revised Edition (McGraw Hill 2011).

For more information about our mission and how you might get involved contact us at:

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