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C. Gail Lewis


Chief Audit Executive Director Internal Audit

Ms. Lewis has served as the UT-Battelle Chief Audit Executive since September 2011. In this capacity, Ms. Lewis leads the Internal Audit Directorate which is responsible for all audit activities and the staff concerns program at the Oak Ridge National Laboratory (ORNL). The organization provides independent, objective assurance and consulting services that are designed to support and improve the effectiveness of risk management, control, and governance processes through evaluations of all ORNL management systems, processes, and programs.

Ms. Lewis earned a B.S. in Business Administration (Accounting) from the University of Tennessee, Knoxville. She is also a Certified Internal Auditor, Certified Information Systems Auditor, Certified Fraud Examiner, and a Certified Public Accountant (inactive). In April 2000, Ms. Lewis joined UT-Battelle Management and Advisory Services organization as the internal audit manager after serving as an audit supervisor for Lockheed Martin Energy Systems Internal Audit Division in Oak Ridge, Tennessee, and as an auditor with the Department of Treasury – Office of Inspector General, and Tarica and Co., CPAs, both in Atlanta, Georgia.

Ms. Lewis serves on the Steering Committee for the Department of Energy Contractor Internal Audit Directors, the Steering Committee for the Cooperative Audit Strategy, and the Board of Governors for the East Tennessee Chapter of the Institute of Internal Auditors.  She also serves on the Executive Committee of the Board of Directors for the Ronald McDonald House Charities of Knoxville, Inc.