BUMA Board of Commissioners



Hagianto Kumala - President Director

Mr. Kumala has served as President Director of BUMA since June 2012 and as President Director of Delta Dunia since 2009. Mr Kumala has served as as BUMA’s President Commissioner since 2011 prior his appointment as President Director of BUMA. He served as BUMA’s Vice President Commissioner from 2009 to 2010. Prior to assuming these positions, he served as the President Director from 1999 to 2007 and as a Commissioner from 2007 to 2009 of PT United Tractors Tbk. He was the President Commissioner of Berau Coal from 2001 to 2004 and was a Commissioner of that company from 1998 to 2001. His former positions include being President Commissioner and/or Commissioner at PT Pamapersada Nusantara (“PAMA”) from 1997 to 2007, at PT Toyota Astra Motor from 2000 to 2002, at PT Komatsu Indonesia from 1998 to 2001, at PT Astra Agro Lestari Tbk from 1998 to 2000 and at PT Astra Graphia Tbk. From 1999 to 2002, he also served as a Director of PT Astra International Tbk from 1992 to 2001. He holds a Bachelor Degree in Industrial Engineering from the Bandung Institute of Technology, Indonesia (1974).


Ronald Sutardja - Vice President Director

Mr Sutardja has served as Vice President of BUMA since June 2012. He has 10 years of Managing Director level experience at world class companies. His areas of focus include team leadership, strategy implementation, turnaround situations and operational implementation. He has been professionally associated with Northstar, in the role of Head of Field Operations, since 2010. During that time he held a Director position at PT Trikomsel Oke Tbk where he led the Board of Directors and management on a company-wide transformation program of sales force management, retail excellence, human resource development, merchandising, information system, supply chain and financial analytics. Previous senior management experience includes positions with Infineum Singapore PTE LTD, Michelin Malaysia and Singapore. He started his professional career as a consultant at Booz, Allen & Hamilton.


Sujoko Martin - Finance Director

Mr. Martin has served as a Director of BUMA since 2010. He has twenty years of experience in the field of accounting in various companies within Astra Group. His last position prior to BUMA was Finance Director at PT Bina Pertiwi, a wholly-owned subsidiary of PT United Tractors Tbk. He is a graduate of Parahyangan University in Bandung, Indonesia, with a Bachelor Degree in Accounting.


Joseph Hurst - Plant & Maintenance Director

Mr. Hurst has served as a Director of BUMA since 2010. He has more than 24 years of experience in mining and heavy equipment with various companies in Australia and Indonesia, including Leighton Contractors Indonesia, Thiess Contractors (Australia and Indonesia) and Roche Bros. & Roche Mining (Australia). Prior to joining BUMA, he was the Plant Manager at Leighton Contractor Indonesia. His primary responsibility at BUMA is to maintain and monitor the mining fleet (existing and new) to maximize equipment availability at an optimum cost.


Sorimuda Pulungan - Director

Mr Sorimuda has served as one of BUMA’s Director from 2011. Before joining with BUMA, he was working at PT Vale Indonesia Tbk. (previously known as PT INCO) from 2002 on various positions with the latest position as General Manager of Mine Engineering. Mr Sorimuda holds a Bachelor Degree of Mining Engineering from the Bandung Institute of Technology and also a Masters’ Degree of Finance Management Hasanuddin University in Indonesia.


Thomas Husted - Director

Mr. Husted was appointed as one of Directors at BUMA in December 2012 where he previously served as Commissioner since 2010. He also serves as Delta Dunia’s Director since 2009.. In 2008, he founded Pacific Ocean Capital, an investment firm based in Singapore. From 2004 to 2007, Mr. Husted was the Head of Corporate Finance at PT Bank Danamon Indonesia. He joined Citigroup in 1999 and held various positions within the Corporate and Investment Bank in Indonesia, Saudi Arabia and Hong Kong. He holds a Bachelor Degree from the University of Arizona, USA and a Masters Degree from Columbia University, USA.


Indra Kanoena - Director

Mr. Kanoena was appointed as Director at BUMA in January 2013. He has more than 18 years experiences on various positions in Human Resources areas. Prior to joining BUMA, he was working at PT HM Sampoerna Tbk. as Head of Organization and Management Strategy and from 2007-2012, he worked at PT Freeport Indonesia as Vice President of Human Resources. He was also working on various leadership positions at PT International Nickel Indonesia (PT INCO) Tbk. from 1997-2007. Mr. Kanoena holds a Bachelor Degree of Science in Industrial Engineering from Institute Technology Indonesia.