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Marc Grille has over 24 years of engineering and sales experience, currently serving as a Process Engineer at Winsert, Inc. since November 2010. Prior to this role, Marc worked as a Sales Executive at Samuel Pressure Vessel Group from August 2008 to November 2010. Marc's engineering background includes a significant tenure at General Motors and Modern Engineering Ltd., where roles as a Manufacturing Engineer and Engineer were held from February 1999 to August 2008. Education was obtained at the University of Wisconsin Whitewater.