Mark Poston currently serves as the Senior Director of Inventory Planning and Replenishment Operations at General Nutrition Centers, Inc. since April 2017. Prior to this role, Mark held the position of Director of Replenishment and Space Planning at GNC from June 2003. Earlier experience includes serving as Director of Purchasing at Duane Reade from February 2002 to June 2003 and as Manager of Store Allocation at Quality Farm and Fleet from 2000 until November 2001. Mark Poston obtained education from PennWest Clarion.
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