Coordinated and conducted study, problem solving, and improvement for the LNG Plant Process, especially in the Utilities area (Energy, Power, Steam, Water, Wastewater, Nitrogen, and Instrument Air). - Conducted the study of Water Losses and Pipeline Replacement. Coordinated survey of Raw Water Production and Distribution, improvement of Iron Removal Filter (IRF), improvement of Cation and Anion Exchanger as Demineralized Water Supply facilities.

Provide advice, training, and consultation, coordinate the development, implementation, and improvement of Safety, Health, Environment and Quality Management System (SHEQ MS) - Coordinate the development of Badak Safety Health Environment Quality Management System Attitude Reinforcement Technique (BSMART) as an integrated SHEQ Management System. - Coordinate the certification of ISO 14001, ISO 9001, OHSAS 18001:2007 / ISO 45001:2018, National Occupational Health & Safety Management System (Sistem Manajemen K3). - Coordinate the certification and implementation of International Sustainability Rating System (ISRS). Has been involved more than 10 years in the implementation of ISRS.

Become vice Senior Manager in the role to lead Safety, Health, Environment, Quality, (SHE&Q) Department consists of Fire & Safety Section, Internal Audit, Compliance, and SHEQ Management System Specialist. - Provide advices for higher level management related to corporate strategies in SHEQ aspects. - Provide guidances for personnel from all departments related to system and general SHEQ aspects.

Working in new and small-scale production unit, he became production supervisor who was in charge in production and maintenance planning, checked the equipment readiness for pre production, prepared the raw materials and inventories, arranged operators requirement, executed the production, and also problem solving and decision making during the production process. In this new facility, previously he also involved as commissioning engineer. He took part in checking and approving the specification of the equipments, testing and optimizing the equipments, creating a program to list, monitor, and maintain the equipments, preparing standard operating procedures for production activities, giving operational training for operators, and taking part in the commissioning and start up of the production facilities

As PROPER Team Leader. PROPER is Rating Program for Company Performance in Environmental Management, held by Ministry of Environment and Forestry, Republic of Indonesia. Designed a Task Force Team, improved organization structure, managed the budget, developed Action Plan and assisted the implementation. - Led a team of 20 people from 10 departments for the data collection in the aspects of: Water, Air, and Waste Pollution Controls, Environmental Management System, Energy and Water Efficiency, Emission and Wastewater Reduction, Hazardous and Non Hazardous Waste Reduction and Utilization, Biodiversity Conservation, and Community Development. - Coordinator and Certified Lead Auditor in the company’s development, implementation, upgrade, and audit of ISO 14001, ISO 9001, Kaizen / Quality Improvement Program (QIP), OHSAS 18001. Involved in the development of ISO 50001. - Developed and involved in Company Regulation Watcher (CRW). Assure compliance and conformance of national & international regulations and standards.

Sapto is HSE engineer who has experiences in carry out conceptual engineering studies related to Safety, Health and Environment for giving problem solving and improvement at plant facilities, and for complying with the standards and regulations. He has actively involved in QRA, HAZOP, HIRA, Industrial Hygiene Evaluations, Energy Assessment, and PSM implementations. He also has experiences in Safety Health and Environmental Management System (SHE-Q MS), formulated manuals and standard operating procedures for company’s SHE-Q MS, become Facilitator and Sub Coordinator in International Sustainability Rating System version 7 (ISRS7), and also as Secretary and Lead Auditor in ISO 14001:2004 and ISO 9001:2008.