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Dennis Johnston is a seasoned data analyst with extensive experience in business and technical analysis across various industries. Currently serving as a Senior Analytic Data Analyst at enGen since April 2019, Dennis specializes in ETL design, data mapping, SQL, and project management. Previous roles include Business Technical Analyst at enGen, where Dennis resolved billing errors and trained personnel, and Business Analyst at Mylan, leading IT integration projects for a global pharmaceutical company. Earlier positions at Pittsburgh Glass Works and Buchanan Ingersoll & Rooney PC involved financial reporting, billing resolution, and business intelligence reporting. Dennis holds a Bachelor of Arts degree from the University of Pennsylvania and has furthered education at New York University and Temple University’s Fox School of Business and Management.