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David Lewis has an extensive career in marketing and business analysis, beginning with a degree in Chemical Engineering from Penn State University in 1976. David's professional journey includes significant roles at E.I. Du Pont de Nemours, focusing on process engineering and corporate planning, followed by a position as Senior Marketing Analyst at Cabot Corporation, where responsibilities included marketing research and database management. David continued to build expertise at Global Advanced Metals as a Business Project Leader, managing market analysis, marketing research, and community outreach projects since its acquisition of Cabot Supermetals in 2012. David has been retired since May 2018.