Mr. Raharto Suwignyo , founder of the company

Mr. Moetaryanto, founder of the company and presently being the Executive Vice Chairman the company has been involved in Managing various business ranging from beverage franchise and bottling company, heavy equipment rental for oil industries, freight forwarder, warehousing, to catering services for offshore drilling companies.

Mr. Moetaryanto is the former chairman (Asean Section) of ASEAN-US Business Council, former President of the Indonesia Australia Business Council, former President of the Indonesian-American Friendship Association, Chairman, Education Committee, PATA (Pacific Asia Travel Association) Indonesia Chapter, Board Member of EKONID (Deutsch-Indonesische Industrie und Handelskammer), and some others.

Mr. Don Murniadi, the Managing Director who runs the day-to-day operation of the company has been managing this company since 1990. Prior to this he managed Petrolog's small size shipping company in Singapore

Mr. Murniadi has had more than 10 years experience in the management of consumer product manufacturers and distributors, namely Goodyear and Coca-Cola.

He has also had an experience in the management information systems, working as a Computer Programmer at the Tubemakers of Australia Ltd. in Sydney.

Mr. Lexie Mailangkay, the Sales Manager in the Oil and Gas division, has various practical experience in the oil supplying companies, i.e.: Schlumberger, Camco and Dresser.

He was in Schlumberger for 12 years in charge of Formation Interval Tester (FIT) and Repeat Formation Tester (RFT) and local staff training.

In Camco he was responsible for Bottom Pressure Survey and Completion Works for 8 years.

Before joining Petrolog MUM in 1999 he handled sales and service of Dresser for 7 years. Through many years technical experience at the oil drilling sites, he is fully fledged with all completion equipment, from packers, spiders-elevators, testing equipment up to well-heads and x-mas trees.