Board of Directors
img-suwito_anggoroSuwito Anggoro
President Director

Mr. Anggoro was born in Malang, East Java, Indonesia.  He began his career with PT Chevron Pacific Indonesia (“CPI”, previously PT. Caltex Pacific Indonesia) as a project design engineer based in Rumbai Riau, and subsequently worked in a variety of positions as he was promoted within CPI.  These positions included: Superintendent - Power Generation, Assistant Duri Steam Flood Project Manager, Chief Planning & Design - Oil & Gas Surface Facilities Engineering, Manager - Corporate Planning & Budget, General Manager - Corporate Environment Safety & Health (1996 to 1998), Vice President - Corporate Human Resources (1998 to 2001), and Vice President - Sumatra Light Oil Operations (2001 to 2004). Mr. Anggoro also served as Senior Vice President - Exploration, Production & Technology, Business Development & Non-Operated Joint Ventures.  Ultimately, Mr. Anggoro was appointed President Director of CPI for the period from 2005 to 2010 and President Commissioner of CPI until March 2011. In addition, Mr. Anggoro has also served on the Board of Commissioners of PT Dalle Energy since March 16, 2012.

Mr. Anggoro joined the Board of Commissioners of ANJ in July 2010 and later was appointed as the Deputy President Director of ANJ on February 1, 2012. Mr. Anggoro was appointed as President Director of ANJ on December 14, 2012.

Mr. Anggoro holds a degree in electrical engineering from the Bandung Institute of Technology, Bandung (1979), a Master of Science in Power System Engineering from Union College, Schenectady, New York (1986) as well as a certification in International Business Management from University of Michigan, Ann Arbor (2000). He also completed a course on power system engineering at General Electric in the U.S.


img-istini_tatiek_siddhartaIstini Tatiek Siddharta
Deputy President Director

Ms. Siddharta started her career as a public accountant, and was subsequently made a Partner at Siddharta, Siddharta & Harsono in Indonesia, a member firm of Coopers & Lybrand (until 1998), which later became a member firm of KPMG. Ms. Siddharta joined ANJ as the Group Finance Director in 2001, a role which she has remained in for over 10 years.

Ms. Siddharta holds a Bachelor Degree in Accounting from the University of Indonesia and an MBA from the John Anderson School at the University of California, Los Angeles. She is an active member of the Institute of  Indonesian Accountants, as well as a member of the Consultative Board of Financial Accounting Standards of the Institute of Indonesian Accountants. Ms. Siddharta was the Chairperson for the Indonesian Financial Accounting Standards Board during the period of 2000 to 2002.


img-sucipto_maridjanSucipto Maridjan

Mr. Maridjan is the President Director of AANE, as well as a Director of numerous other Group subsidiaries, including ANJA, SMM, ANJAS and ANJAP. He is primarily engaged in community relations and development, land acquisitions, licensing and permitting, recruitment and employment and ANJ’s policy and regulations.  He is also involved in the completion of AMDAL documents during the exploration and development phase of ANJ’s projects. Mr. Maridjan has extensive experience in dealing with both local and national Governments in Indonesia and is responsible for the ANJ’s external Government communications on all matters that are corporate, legal compliance, and community related.

Mr. Maridjan joined ANJ’s Mining & Energy Division in mid 1997 as a Director of our Mining Services Company and Coal Contract of Work Company (PKP2B).  He also had responsibility for minority interests of ANJ in gold projects in Indonesia with Newmont (formerly Normandy Anglo Asian) and Meekatharra Minerals, and with power generation projects through a joint venture with Duke Energy in Papua at Freeport and with ChevronTexaco in West Java with the Darajat Geothermal Project.  Prior to joining ANJ, Mr. Maridjan held senior roles with Australian mining companies in Indonesia. He has over 20 years' experience in resource-based administrative management.

Mr. Maridjan is a trained accountant and was involved in company audit work during his early career. He holds a degree in economic studies from Universitas Nasional of Jakarta.


img-Lucas-KurniawanLucas Kurniawan 
Independent/Finance Director

Mr. Kurniawan was appointed as an Independent/Finance Director in November 2014.  Prior to joining ANJ, Mr. Kurniawan was a public accountant for 22 years. He began his career as a public accountant in October 1993 with Kantor Akuntan Publik (KAP) Siddharta Siddharta & Widjaja, a member firm of KPMG International, where he became a partner in 2005 (KAP Siddharta Siddharta & Widjaja, formerly KAP Siddharta Siddharta & Harsono, was a member firm of Coopers & Lybrand until 1998).  On August 1, 2007, Mr. Kurniawan joined KPMG Limited, Vietnam, where he was an audit partner for four years until June 30, 2011.  From July 1, 2011 to September 30, 2014, he was a partner at KAP Tanudiredja Wibisana & Rekan, a member firm of PricewaterhouseCoopers International Limited.

Mr. Kurniawan holds a Bachelor Degree in Accounting from Tarumanagara University. He is a member of Indonesian Institute of Accountants and Indonesian Institute of Certified Public Accountants.