Simon Shepherd is an accomplished manufacturing and operations professional with extensive experience in the chemical and specialty films industries. Currently serving as Site Manufacturing Manager at AdvanSix since July 2025, Simon previously held key positions including Site Operations Manager at Mylar Specialty Films and Global Integrated Operations Manager at Celanese. Simon’s career began at DuPont Teijin Films, where a trajectory of roles from Site Manager to various managerial positions involved strategic marketing, business transformation, and technical leadership. Simon also has a solid foundation in engineering, having earned a Master's degree in Mechanical and Manufacturing Engineering from Queens University, Belfast.
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