Jonathan currently been working in shipyard and shipping service at PT Kumala Citra Bahari as Assistant Manager who in charge in commercial, operation fleet management and optimize ship safety and secure management (DPA)He graduated as petroleum engineer in Trisakti University. He has a sufficient petroleum experiences in oil and gas company due to high activities of internship, competition and also a Physics assistant professor in Trisakti University petroleum department. Despite of having experiences in oil and gas, he also well developed in managerial skill, covered with leadership capability. Proven during internship and university organization activities. Fast learner and proven as matured graduate in work readiness.