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Sami Hietala is a seasoned professional in the field of engineering with a B.Sc. in Food and Biotechnology from Seinäjoki University of Applied Sciences, obtained between 2003 and 2007. Since January 2008, Sami has been employed at Roal Oy, advancing through roles as a Senior Pilot Plant Engineer, Process Engineer in R&D, and Technology Development Engineer in R&D. Prior experience includes serving as a Lab Technician at OMG Kokkola Chemicals from 1997 to 2002.