Mark Grether is currently the Director at Optravis LLC, a position they assumed in 2025. They previously served as the Finance Director at Clariant (Thailand) Ltd. from 2010 to 2013 and held various roles at Clariant, including Global Controller - Service Unit and Head of Operational Transfer Pricing from 2015 to 2018. Mark's earlier experience includes serving as the Regional Controller for Asia/Pacific at Clariant (China) Ltd. from 2006 to 2010 and as the Head of Regional Controlling for Latin America at Clariant S.A. from 2013 to 2015. Their extensive career in finance began with an internship at DaimlerChrysler in 2000.
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