John Semi currently serves as a Senior Engineer - Geotechnical at Evolution Mining since June 2024. Previously, John held various geotechnical roles at Ok Tedi Mining Limited from December 2012 to August 2018, including Geotechnical Engineer and Senior Geotechnical Engineer. John also worked at Newcrest Mining as a Graduate Geotechnical Engineer from December 2010 to November 2012 and served as a Part Time Geology Tutor at the University of Papua New Guinea in early 2010. At Northern Star KCGM Operations, John functioned as a Geotechnical Engineer and Acting Geotechnical Superintendent from March 2020 to June 2021, managing a skilled team to mitigate geotechnical risks. John holds a Bachelor of Science in Geology from the University of Papua New Guinea, completed in 2010.
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