Pamapersada Nusantara
Guntan Viliarso Seran is a skilled Mine Plan Engineer with experience at Pamapersada Nusantara since March 2019, focusing on mine design and scheduling. Previous roles include Supervisor Geologist at PT AAR International, where responsibilities included monitoring exploration drilling and geological database reporting, and Geologist positions at PT Obio Indo Energy and Coal Marketing International Ltd, emphasizing geological interpretation and database management. Early career experience encompasses serving as a Mine Geologist at PT Buena Persada Mining Servis and a Foreman Engineering and Control at PT Rpp Contractors Indonesia, contributing to drilling reports and mine design support. Guntan holds a Master's degree in Mining and Mineral Engineering from Institut Teknologi Bandung and a Bachelor's degree from Sekolah Tinggi Teknologi Nasional (STTNAS) Yogyakarta.
Pamapersada Nusantara
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PT Pamapersada Nusantara (PAMA) is a wholly-owned subsidiary of PT United Tractors Tbk, a major distributor of Komatsu heavy equipment in Indonesia. PT Astra International Tbk, the major shareholder of PT United Tractors Tbk, is one of the largest and most respected companies in Indonesia. The embryo of PAMA has commenced since 1974 in form of rental division at PT United Tractors, which engaged in construction project, mining and oil project, land preparation and logging. In 1993 this division changed into an independent company named PT Pamapersada Nusantara. Currently PAMA actively manages numerous coal mines. PAMA has also own some subsidiaries, under the name of PT Kalimantan Prima Persada (KPP) and PT Prima Multi Mineral (PMM).