Arwansyah Johan is a professional in Petroleum engineering with a career of over 30 years either with multinational Oil & Gas operators i.e. Chevron-Texaco, Conoco, Kalrez Petroleum, Al-Khafji Joint Operations in offshore Arab Gulf of Saudi Arabia and ADNOC onshore Abu Dhabi and with services Companies such as Halliburton and Bakrie Brothers.

Worked on both onshore and offshore operations in Indonesia and Middle East. He wrote SPE paper in Saudi Arabia and was a Technical Session Chairman in ADIPEC Abu Dhabi. His accountabilities were as senior level of Production Engineer, Technical Engineer, Drilling Engineer, Completion Engineer, Well Integrity Engineer. He provided professional training to new recruited Engineers and Local fresh graduates.