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Katherine Hayes O’Halloran

Vice President, Corporate Controller & Treasurer

Mrs. O’Halloran was appointed to her position of Vice President, Corporate Controller in 2013. She served as Company Treasurer since 2011 and previously held the role of Director of Investor Relations and Financial Reporting since joining the Company in 2006. Prior to Great Lakes, Mrs. O’Halloran was Director of Corporate Accounting at TransUnion, LLC. She is a CPA and has a Bachelor of Science degree in Accountancy from Northern Illinois University and a Master of Business Administration in Finance from St. Xavier University in Chicago.