About Us

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PT. THALWEG NUSANTARA (Thalweg) was established to fulfill the necessity of human resources and technology in geology,  mining and energy activities in Indonesia at the present and the future.

Thalweg  serves as an engineering survey and design consultant by the principle of professional dedication, committed to effective solutions and quality result oriented.

Thalweg hope could play a role and take a chance in adding the values of private sector development in Indonesia.

zr2.300x200Zulfan R H


Over than 15 years professional services on mineral exploration, engineering survey, and other sustainable development project feasibility. Hold the degree on geology, coal exploration certified and magister on water resources management. He was involved in some pioneering projects and utilities alongside mining, energy, environmental and infrastructure in Indonesia and across South-East Asia.

Antony Toban


Graduated from Hasanuddin University with a degree in Geology. He was engaged for over than 10 years as an exploration geologist in widely resources such as coal, laterite, gold an iron ore, and experienced in some engineering survey for infrastructures and land development.

Idham Khairuddin


Spent over than 10 years in area of projects management. He deliver services in mining and infrastructure support most in eastern Indonesia and gain the capacity in leading and coordinating the team within remote area for pioneering development projects.

Personal Qualification

QualificationDegree, ExperiencesNo. of person
Geology (Coal Certified, Industrial Mineral, Base Metal)S1,S2, S3; 5-20 Yrs8
Mining EngineerS1; 5-15 Yrs1
Civil and Hydrology EngineerS1-S2; 5-10 Yrs2
Coastal EngineerS2; 3 Yrs1
Remote Sensing and Forestry SpecialistS2; 15 Yrs1
Oceanografi; ModellingS2; 5 Yrs1
Soil and AgricultureS1; 10 Yrs1
Geodesy; Instrument DGPSS1; 5 Yrs1
GIS SpecialistS1; 5 Yrs1
DrafterS1; 3 Yrs1
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