
About Our Company
Exploration and Mining Service Consultant
PT Bumi Nusa Tambang is a leading Exploration and Mining Service Consultant dedicated to providing exceptional solutions that support our clients in the mining sector.
With a focus on delivering integrated services and comprehensive solutions, we pride ourselves on being a professional and trusted partner, committed to producing accurate outcomes that add value to our clients’ operations
Vision & Mission
PT Bumi Nusa Tambang
Vision
Our mission is to be the premier solution provider in the mining industry, offering unparalleled support to our clients and ensuring their projects thrive.
Mission
- We are committed to delivering integrated services and comprehensive solutions while establishing ourselves as a professional and trusted
partner. - Our goal is to provide added value to our clients and ensure accurate outcomes in all our projects.
Our Team
We consist of several professionals who are competent in their fields

Ir. Rendy Nurdianto, ST, CP AEM, CPI, IPM
A seasoned geologist with more than 15 years of industry experience in gold exploration and other various metals, Rendy excels in geological mapping and drilling programs, including scout drilling and resources definition drilling, up to geological modelling. Involved in the most recent discovery of world-class project, Toguraci-Shallut discovery at Gosowong Gold Operation and other national projects, such as the Talang Santo Discovery at Way Linggo, Lampung. His certifications as CPI - MGEI in Gold Exploration and CP AEM BNSP, demonstrate his proficiency and dedication to the field and comply to Government Regulation

Gugun Gunawan, ST, CP ASM
With over 15 years of experience in grassroots exploration projects and resource definition, Gugun has extensive knowledge of both open pit and underground mining operations. Involved in world-class project such as Gosowong Gold Operation and other national project. Possess strong experience in several key commodities, such as gold, silver, base metals, nickel, tin, bauxite, iron sand, quartz sand, limestone, and quarry andesite. He is certified as CP ASM BNSP, reflecting his commitment to industry standards and excellence.

Juma'ali, ST
With over 16 years of experience in coal exploration and mining, Juma’ali has broad knowledge of mining and production operations. Possess strong experience in Mining Operation as KTT in several key commodities, such as coal, nickel, iron sand, quartz sand and quarry andesite in Kalimantan, Sulawesi and other mining prospect in Indonesia

Yoga Purna Nugraha, ST
Geologist with over 10 years of experience in Geothermal, Coal, and other commodities, Yoga has a strong background in drafting comprehensive final reports for RKAB, Feasibility Studies, and Exploration and Resource assessments. His expertise ensures that all documentation meets the highest industry standards.
Legality
NIB 0411240098572
SK Menkumham No. AHU-0087273.AH.01.01.TAHUN 2024
Deed No 03 Date 1 November 2024
NPWP 138468046-444000
