Pamapersada Nusantara
Diaz Octo Anggara Tarigan currently serves as the Production OB Group Leader in Area 1 at Pamapersada Nusantara, with responsibilities that include overseeing the Pama Production Management System and supervising open-pit mining operations. Previous experience includes roles as the FGDP Production Group Leader at the same company, where Diaz focused on on-the-job training and project improvement, and a position as Quantity Engineer at PT. Hutama Karya (Persero). Early career experiences involved internships and research at the Ministry of Public Works and Housing (PUPR). Diaz holds a Bachelor's degree in Applied Science from Politeknik Negeri Medan and is pursuing a Master's degree in Management at Universitas Padjadjaran.
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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).