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Hal Zesch serves as Senior Vice President and Chief Information Officer. Zesch has nearly 22 years of experience with Valero and has held numerous positions within the company�s Accounting and Information Systems divisions. Most recently, he served as Vice President of SAP Systems Integration, with responsibility for the configuration, integration and production support for all of the company's SAP-related systems. He previously served as Vice President of Best Business Practices, Assistant Corporate Controller, Controller for Natural Gas and Natural Gas Liquids Operations, and Director of Corporate Accounting. Previously, he worked as an audit and consulting manager at Deloitte & Touche, where Valero was one of his clients. Zesch is a Certified Public Accountant and holds a bachelor of business administration degree in accounting from the University of Texas at Austin. | 