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Jonathan Chiston Silaen is a skilled Mine Plan Engineer with extensive experience in the mining sector, currently serving in the Engineering Division at Pamapersada Nusantara since January 2018, initially joining as a Fresh Graduated Trainee. Prior experience includes an On Job Training role at Thiess, where responsibilities involved planning blasting patterns and measuring ground vibrations, as well as an internship at PT. ASMIN BARA BRONANG focused on analyzing the productivity of heavy machinery. Jonathan Chiston Silaen holds a Bachelor's Degree in Mining Engineering from Universitas Palangkaraya and a Master's Degree in Geomechanics from Institut Teknologi Bandung.