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Brenna Rantala, P.E., is a Geotechnical Engineer at Barr Engineering Co. since January 2016. Prior experience includes a role as a Geotechnical Engineering Intern at Freeport-McMoRan from May 2015 to August 2015, where Brenna updated and analyzed piezometer data for a heap leach pad and assisted in implementing new slope stability evaluations based on cone penetration test data. Brenna earned a Bachelor of Science in Geological Engineering, Geology & Geophysics from the University of Wisconsin-Madison, completing the degree in 2015.