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Optima Chemical Group LLC
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Ed Lefler
Director Of Business Development
David Sikes
Environmental, Safety, And Security Manager
Katie Herrington
Operational Excellence Manager
Barbara Tsuie
Research & Development Manager
Stewart Fletcher
Site Engineering Manager
+ 2 more
James “David” Sikes
Environment, Health And Safety Manager
J. David Sikes
Current role
Environmental, Safety, And Security Manager at Marathon Petroleum Corporation