
Our People
Our Management

Bowo Kusnanto
President Commissioner

STJ Budi Santoso
President Director

Gyaista Sampurno
Chief of Geological Officer

Nur Tri Atmaji
Finance Director
Technical Team

David Iswanto
Senior Geologist Copper & Gold

Arief Eko Prihandoyo
Senior Geologist Coal & Mineral Industry

Ahmad Hidayat
Senior Geologist - Laterite Nickel & Bauxite

Muhammad Riefaldy
Senior Geologist - Mine Geology

Febby Yudhi Pratama, M.Eng.
Senior Geologist - Geometallurgy

Muhammad Fakhri Auladana
Project Geologist - Mineral Exploration

Ahmad Khoirul Basyar
Project Geologist - Resources Geology

Adi Sulaksono, Ph.D
Geologist - R&D Specialist
Technical Associate

Ufi Ma'rufianty
Senior Resources Geologist and Geostatistician

Kartika Dwi Handayani
Principal Geologist Coal

Saut Simbolon, M.Sc.
Senior Resource Geologist

Tomy Taladin, ST, MBA (PMP)
Senior Metallurgist Gold and Nickel