Ruth Dreessen

Ruth I.
Dreessen is currently an Independent Director at DMC Global, Inc. since 2020.
Former positions include Chairman at Gevo, Inc. from 2015 to 2023; Director at Westlake Chlor-Vinyls Corp.
from 2001 to 2003; Independent Director at Versar Global Solutions from 2012 to 2014; Managing Director-Global Chemicals Group at JPMorgan Chase & Co.; Director at Better Minerals & Aggregates Co. from 1996 to 2007; Managing Director-Chemicals Investment Banking at JPMorgan Securities LLC from 1981 to 2001; Chief Financial Officer, Director & Senior VP at Westlake Corp.
from 2003 to 2005; Independent Director at Targa Resources GP LLC and Targa Resources Partners LP from 2013 to 2016; Managing Director at Huntsman-Lion Capital LLC; Independent Director at Andeavor Logistics LP from 2018 to 2019; Director at Tesoro Logistics GP LLC from 2018 to 2019; Director at East West Copolymer LLC; Managing Director at Lion Chemical Partners LLC from 2010 to 2018; Chief Financial Officer & Executive Vice President at TPC Group, Inc. from 2005 to 2010; Chief Financial Officer & Senior Vice President at Texas Petrochemicals LP; Chief Financial Officer & Senior Vice President at TPC-GROUP GmbH from 2005 to 2010; PartnerMember-Supervisory Board at Triten Energy Partners LLC from 2020 to 2024.
Education includes a graduate degree from The Trustees of Columbia University in The City of New York in 1980 and an undergraduate degree from New College of Florida in 1976.