William L. Valerioti, P.E. (Metallurgy, Oklahoma), is a Sr. Materials & Mechanical Integrity Specialist with Chevron Phillips Chemical LLC. Bill holds a Master's degree in Materials Science & Engineering, Auburn University. He has been involved in corrosion analysis/prevention and materials selection for the petrochemical and aviation industries for 30 years. Bill is a member of the NACE and AIST (Association for Iron and Steel Technology).