Meet creative mind behind this company.
Thomas Waromi, S.T.
President Director
Minera Optima Global
DR. ENG. IR. Herman Tolle
Strategic Planning and Operation Director
Minera Optima Global
Yoshua Gombo, PH.D
Information and Digital Services Director
Minera Optima Global
Nelson Yoku B.Eng (Hons)
With more than 20 years of experience across Australia, Indonesia, and the Solomon Islands, Nelson has a deep understanding of geological exploration and mining. He possesses extensive experience in various commodities, including gold, copper, and manganese, for both open-pit and underground mining operations.
Ivan Waromi, S.T., MBA, MIEAust, MAusIMM CP, RPEQ
Chartered as a professional engineer in geotechnical engineering with AusIMM, a registered Professional Engineer Queensland (RPEQ) Australia, with more over 16 years of experience in mine hydrogeology, water management, and geotechnical engineering across Australia, Indonesia and Laos. Involved in large-scale open-pit mining operations for commodities such as gold, copper, and silver and zinc.
Anthony Yawang B.Eng (Hons)
A highly qualified mining professional with international experience gained through working with mining companies in Indonesia and Australia. He specializes in gold and copper commodities and was actively involved in the development of the underground Grasberg Block Cave mine.
Emiel Risakotta
A diploma-qualified professional and practitioner with more than 20 years of experience in the construction industry, specializing in project safety in the Netherlands. He has been involved in several construction projects across the country