Teguh Setiadi is an experienced geologist with over 13 years in the mining industry, currently serving as a Senior Underground Mine Geologist at Freeport Indonesia since April 2010. In this role, Teguh supports production ramp-up in the Grasberg Block Cave Mine through geological material mapping and inspection. Previously, as a Senior Surface Mine Geologist for the Grasberg Open Pit, responsibilities included leading a team to optimize operational mining processes. Prior experience includes working as a Geologist at PT. LAPI ITB and Nusantara Group, focusing on geological mapping, data interpretation, and coal exploration. Teguh holds a Bachelor's degree in Geology/Earth Science from Institut Teknologi Bandung.