Dede Rismunandar, S.T., is a highly experienced Principal Geologist with over 25 years of expertise in exploration, resource estimation, and geological modeling for coal and nickel projects across Indonesia. A graduate of Institut Teknologi Bandung (ITB) with a bachelor’s degree in Geological Engineering (1999), Dede is a certified Competent Person for Coal Resources by the Indonesian Mining Professional Association (PERHAPI) and an active member of both PERHAPI and the Indonesian Association of Geologists (IAGI). His specialization includes due diligence, resource and reserve estimation, mine planning, and geological data analysis. Throughout his career, Dede has held key roles, including Senior Geologist at PT Tura Consulting Indonesia, and has contributed significantly to optimizing resource development and exploration strategies using advanced geological software and methodologies. Certified as a Pengawas Operasional Pertama (POP) since 2021 and Pengawas Operasional Madya (POM) since 2024, Dede is recognized for his technical excellence and dedication to advancing exploration and resource estimation practices in Indonesia’s mining industry. His extensive knowledge and proven track record make him a valuable asset in the field of geological engineering