Robbie Simpson has over 19 years of experience in the accounting and measurement assurance fields. Currently serving as the Lead Measurement Assurance Specialist at Valero Energy Corporation since August 2007, Robbie has held various roles within the company, including Measurement Assurance Specialist, Auditor, and Capital Asset Accounting Specialist. Prior to this, Robbie worked as a Senior Accountant at Southwest Securities from April 2004 to August 2007. Education includes a Bachelor of Business Administration in Accounting from Angelo State University, completed between 1999 and 2003.