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William Marshall is a seasoned professional with extensive experience in account management and research within the chemical and materials industry. Currently serving as Sr. Account Manager at Trinseo since May 2012, William is responsible for strategy, market management, and new business development in LED lighting, alongside managing specialty films and ABS extrusion accounts. Prior to this role, William worked as Sr. Research Specialist at Styron LLC, where a global marketing plan for LED lighting was implemented alongside the development of new polycarbonate products. William's career began at Dow Chemical, where over nearly three decades, expertise was built in technical service and development for plastics, particularly in leading significant advancements in organic light emitting diode technology and polymer synthesis. William holds a Bachelor of Science degree in Chemistry from the State University of New York College at Potsdam.