Mark Jeffery has a diverse work experience spanning several companies. Mark most recently served as the Director of Operations and Technology at Ecovyst, Inc. starting in July 2022. Prior to that, they worked at PQ Corporation as the Global Director for Project and Process Engineering from April 2016 to August 2022. Mark's earlier experience includes a role as the Process Engineering Manager at PQ Silicas UK Ltd from June 2005 to April 2016.
Mark Jeffery studied Chemical Engineering at the University of Birmingham from 1989 to 1991.
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