Stephen Barnack is an experienced procurement and supply chain professional currently serving as Senior Procurement Manager at Cellares since October 2021, with prior roles at the company as Supply Chain Manager and Senior Procurement & Supply Chain Specialist. Previously, Stephen held various positions at Twist Bioscience, including Senior Consultant, Senior Buyer, and Buyer/Planner, and worked as a Global Supply Manager at Tesla. Earlier career experience includes roles at Flint Hills Resources as Buyer Analyst 2 and at Bombardier Aerospace as Material Logistics Agent II. Stephen holds a Bachelor of Business Administration from Wichita State University and an Associate's degree in Sports Media from Butler Community College.
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