Indonesian citizen, 53 years old, domiciled in Jakarta. Mr. Ronald Sutardja serves as President Director of BUMA since March 2014 following his prior position as Vice President Director from June 2012. Since 2010, he has been professionally associated with Northstar as a Head of Field Operations, one of which was when he held a Director position at PT Trikomsel Oke Tbk. Previously, he has worked at Infineum Singapore Pte. Ltd., as well as Michelin Malaysia and Singapore. He started his professional career as a consultant at Booz, Allen & Hamilton. He holds a Bachelor's Degree in Mechanical Engineering from University of California at Berkeley, USA (1989), Master of Science from Massachusetts Institute of Technology, USA (1991), and Master of Manufacturing Management from Northwestern University-Kellogg Graduate School of Management, USA (1995).
Indonesian citizen, 55 years old, domiciled in Jakarta. Ms. Una Lindasari serves as Director of BUMA since August 2014. She has more than 33 years experiences at senior management positions in the Finance area throughout various companies including as a Finance Controller at BP Indonesia. Prior to joining BUMA, she worked for Noble Group Indonesia as Chief Financial Officer since 2008. She started her professional career as an Auditor at Arthur Andersen Indonesia. She obtained Bachelor’s Degree in Accounting from University of Indonesia and Master of Management and Master of Business Administration double-degree from IPMI-Monash University.
Indonesian citizen, 51 years old, domiciled in Jakarta. Mr. Sorimuda Pulungan serves as Director of BUMA since January 2012. He has 24 years experiences in mining industry. He worked for PT Aurora Gold (1994-2002), and prior to joining BUMA, he spent nine years with PT International Nickel Company (PT INCO) Tbk, with his last position as General Manager at Mining Technology Division. He obtained a Bachelor's Degree in Mining Technology from Bandung Institute of Technology (1994), Master’s Degree in Financial Management from Hasanuddin University, South Sulawesi (2009), and Doctorate's Degree in Economic from Trisakti University (2018).
Indonesian citizen, 46 years old, domiciled in Jakarta. Mr. Indra Kanoena serves as Director of BUMA since January 2013. He has more than 22 years experiences in various positions on organization and human resources management, government and community relation, and heavy equipment maintenance management. He worked for PT International Nickel Indonesia (PT INCO) Tbk(1997-2007) and PT Freeport Indonesia (2007-2012) with last position as Vice President of Human Resources. Prior to joining BUMA, he worked at PT HM Sampoerna Tbk as Head of Organization and Management Strategy. He obtained a Bachelor’s Degree of Science in Industrial Engineering from Indonesia Institute of Technology and Master’s Degree in Strategic Management from BINUS Business School, Jakarta.
Indonesian citizen, 48 years old, domiciled in Jakarta. Mr. Iwan Salim serves as Director of BUMA since May 2019. He has more than 23 years of experiences in the Energy sector, by working for Royal Dutch Shell since 1995 in various lines of business with assignments in London and Manchester, UK. His last position prior to joining BUMA was as a Regional Manager of Asia and Middle East for Shell Global Engineering. He holds Bachelor's Degree in Economic from University of Indonesia.