Agus Efendi
Chief Operating Officer

Indonesian citizen, he was born in Ponorogo, on September 5, 1970. He obtained his bachelor degree in Mining Engineering from Pembangunan Nasional University (UPN), Yogyakarta and Master of Science in Natural Resources and Environmental Management from Lambung Mangkurat University, Banjarmasin. He joined the Company in 2010 as the Head of Asam Asam Coal Project, located in South Kalimantan, owned by PT Arutmin Indonesia. In the middle of 2012, he was appointed as the Head of Bengalon Coal Project in East Kalimantan, owned by PT Kaltim Prima Coal. He has been serving as the Company’s Chief Operating Officer since October 1, 2013, and his extensive knowledge in the field of coal mining operations is obtained due to his 20-year experiences working with various well-known mining contractors. He was introduced for the first time to the coal mining field when he worked at PT Gunung Bayan Pratama Coal Muara Tae in East Kalimantan (1998) as a Mining Supervisor and Coal Quality Supervisor. Following this, he worked at PT Thiess Indonesia, a mining company with international reputation, from 2000 to 2010. There, he started working as a Project Engineer (2000-2001) and ended it with the position of Deputy Project Manager (2008-2010) for Senakin Project. His knowledge in mining field is further expanded through his participation in various training activities and his visits to several projects and exhibitions, as well as to mining tools manufacturers, both domestic and overseas.

Harry Satria Putra
Chief Corporate Services Officer

Indonesian citizen, born on November 11, 1979. Appointed as Chief Corporate Services Officer on April 2014, which manage Mine Engineering & Development Division, Human Resources Division, Information Technology Division and Business Development Division.He has experiences in mine operations, mine planning, new project development, project management, mine economic, valuation and contracts.Prior to current position he has various role in PTDH as Superintendent Short Term Mine Planning Bengalon (2006), Manager Business Engineering Analyst and Operation Control (2007), Manager Technical Service & Manager Mine Engineering Asam-Asam (2008), Head of Project Binungan  (2011), General Manager Mine Engineering & Development Division (2010-now) and Deputy COO (2013).He started his career experiences as Project Engineer at LAPI Consultant before he worked for reputable mining company as Mining Engineer for two years. In 2004-2006, he worked for well-known mining contractor with the latest role position as Engineering Section Head.Graduated from Institute Technology of Bandung in Mining Engineering, he is a member of Association of Indonesian Mining Professional (PERHAPI) and the Institution of Engineer Indonesia (PII). He is also a member of the Australasian Institute of Mining and Metallurgy (AusIMM).He is Certified Blaster Kelas 1 (2005), Certified Engineer on Open Pit Long Term Planning - NQF6 (2011), Certified Mining Operation Supervisor Utama (2010), Certified on Project Management (2011) as well as on Underground Space Engineering (2015).

Pratikto
Chief Assets Management Officer

Indonesian citizen, he was born on July 31, 1950. He graduated with a Bachelor degree of Economy Management majoring in Production and Operational Management. He joined the Company in 2015 with the position of Advisor, and was promoted in 2016 to the position of Chief Assets Management Officer. Starting  his professional career began at PT International Timber Corporation Indonesia, he worked as a Stores & Supply Manager in 1972-1980. He then worked as a Senior Purchasing Supervisor & Tender Committee at Total Indonesie, Balikpapan in 1980-1992. The Consultant at PT Cakra Inti Pratama in 1992-1993. He continue his career as a Procurement Services Superintendent and Coordinator of Crisis Management Team (CMT), based in Balikpapan and Jakarta at BHP Coal Indonesia / PT Arutmin Indonesia in 1993-2000. He worked as a Procurement & Accounting Manager at  PT Arutmin Indonesia (subsidiary of BUMI Resources Tbk), Jakarta in 2000-2007. Then continue worked as a General Manager Supply Chain Division at PT Kaltim Prima Coal (subsidiary of BUMI Resources Tbk) based in Sangata, East Kalimantan. His knowledge in Supply Chain Management field further expanded through his participation in various course and training activities.