
Ronald Sutardja
President Director
Indonesian citizen, 55 years old, domiciled in Jakarta. Ronald Sutardja serves as President Director of the Company since August 2021. Prior to joining the Company, he served as Vice President Director since 2012 and as President Director since 2014 in the Company's Subsidiary, PT Bukit Makmur Mandiri Utama (BUMA). He had also worked as Director of PT Trikomsel Oke Tbk, Head of Field Operations of Northstar Group, Infineum Singapore Pte. Ltd., Michelin Malaysia and Asia Pacific, as well as Booz, Allen & Hamilton Inc.
Obtained a Bachelor's Degree in Mechanical Engineering from University of California at Berkeley-USA, Master of Science from Massachusetts Institute of Technology-USA, and Master of Manufacturing Management from Northwestern University-Kellogg Graduate School of Management-USA.

Una Lindasari
Director
Indonesian citizen, 57 years old, domiciled in Jakarta. Una Lindasari serves as Director of the Company and President Commissioner of BUMA since August 2021. Prior to that, she was a Director of BUMA since August 2014. She has more than 35 years of experiences in various aspects of finance at various industries including Oil & Gas, Manufacturing, and Mining. Started her career as an auditor at SGV Utomo/Arthur Andersen Indonesia and moved to several companies including PT Caltex Pacific Indonesia and BP Indonesia, and held a number of positions including as Financial Controller, and latter as Chief Financial Officer at Noble Group Indonesia.
Obtained a Bachelor’s Degree in Accounting from University of Indonesia and Master of Management and Business Administration from IPMI-Monash University.

Indra Dammen Kanoena
Director
Indonesian citizen, 48 years old, domiciled in Jakarta. Indra Kanoena serves as Director of the Company since June 2022 and Vice President Director of BUMA since September 2021. He has more than 25 years of experiences in various positions in the organizational and human resources management, government and community relation, and heavy equipment maintenance management. Prior to joining BUMA in 2013, he worked at PT Vale Indonesia Tbk (formerly known as PT International Nickel Indonesia Tbk) as Manager Human Resources, PT Freeport Indonesia with his last position as Vice President of Human Resources, and PT HM Sampoerna Tbk as Head of Organization and Management Strategy.
Obtained a Bachelor's of Science in Industrial Engineering from Institut Teknologi Indonesia and Master Degree in Strategic Management from BINUS Business School.