Mr Chang Cheng-Hsing Francis
Group CEO and Executive Director
MR CHANG CHENG-HSING FRANCIS was appointed as Group CEO and Executive Director effective 1 January 2014. Previously, Mr Chang held the position of Vice President of Exploration & Production of the Group. Prior to RH Petrogas, he also held management and executive positions with GNT International Group, Texas American Resources and Kerr McGee/Anadarko Petroleum. Mr Chang's over 39 years' experience with US based major and independent oil companies spans many producing basins in five continents.
Mr Chang holds a Bachelor of Science degree in Geology from National Taiwan University. He also attended graduate school in Geophysics at Harvard University majoring in Geophysics. He is a member of the American Association of Petroleum Geologists (AAPG), Southeast Asia Petroleum Exploration Society (SEAPEX), and Indonesian Petroleum Association (IPA).
Mr Samuel Cheong
Vice President, Commercial
MR SAMUEL CHEONG is Vice President for Commercial. Prior to joining the Company, he was Commercial Director at Orchard Energy Pte Ltd, which was owned by Temasek Holdings before it was acquired by the Company. Mr Cheong has over 30 years of experience in the oil and gas industry covering both upstream and downstream sectors. Over the years, he has served in various capacities ranging from business development and new venture, upstream commercial, risk management, crude operation, as well as leading a team in managing an international portfolio of exploration and production assets spread across Australia, China, Indonesia and Vietnam.
Mr Cheong holds a Bachelor of Business Administration degree from the National University of Singapore.
Mr Then Guang Yaw
Vice President, Finance
MR THEN GUANG YAW is Vice President for Finance. He joined the Company in 2006 as Internal Audit Manager and was appointed as the Group Financial Controller in 2007 before assuming his current position in 2013. Mr Then has extensive experience in the areas of management, finance, accounting and audit. Prior to joining the Group, he spent 6 years in South America as the Financial Controller and later as General Manager with a company of the Rimbunan Hijau Group. Mr Then is a Fellow of the Association of Chartered Certified Accountants.
Mr Ferry Hakim
President Director, RH Petrogas subsidiaries in Indonesia
MR FERRY HAKIM was appointed as the President Director of RH Petrogas subsidiaries in Indonesia on 19 November 2024. Previously, he served as the Senior Manager of Exploration and Development of the Group’s subsidiary, Petrogas (Basin) Limited. Mr Hakim possesses 25 years of experience in the oil and gas industry, leading and managing technical teams, navigating complex regulatory environments, and delivering successful exploration and development programmes in the region. Mr. Hakim's career includes significant roles at Lasmo Oil, ENI, Tately NV, and Pexco Energy.
Mr Hakim holds a Master of Science degree in Basin Evolution and Dynamics from Royal Holloway College, University of London which he completed as a Chevening Scholarship recipient. He also holds a Bachelor of Science degree in Geology from the Bandung Institute of Technology. In addition to his professional achievements, Mr. Hakim is an active member of the Indonesian Petroleum Association (IPA) and the Indonesian Geologists Association (IAGI).
