More than 12 years experiences in oil and gas include engineering, procurement, construction, pre-commissioning and commissioning for onshore and offshore projects. Experiences include greenfield and brownfield project for some multinational companies such as Pertamina (Indonesia), Petronas (Malaysia), Total Indonesia, Chevron Indonesia (formerly Unocal Indonesia), ConocoPhillips Indonesia , BP Indonesia, Murphy Oil, Exxon Mobil and POGC (Iran). More than 12 years experiences in oil and gas include engineering, procurement, construction, pre-commissioning and commissioning for onshore and offshore projects. Experiences include greenfield and brownfield project for some multinational companies such as Pertamina (Indonesia), Petronas (Malaysia), Total Indonesia, Chevron Indonesia (formerly Unocal Indonesia), ConocoPhillips Indonesia , BP Indonesia, Murphy Oil, Exxon Mobil and POGC (Iran).