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Brian Callihan is currently the Regional Director for Technical Expertise and Support at Dow since January 2020. Previously, Callihan worked as the Production Manager at Sadara Chemical Company and held various positions at The Dow Chemical Company from June 2000 to January 2018 including Associate Commercial Director, Associate Production Director, Global Improvement Leader, Plant Improvement Leader, and Process Control and Optimization Engineer. Callihan also has previous internship experience at Koch Industries, Fina Oil and Chemicals, and Tronox. Callihan holds a Master's degree in Chemical Engineering from Oklahoma State University.