• Rio Supin

    Rio Supin

    President Director

    Mr. Rio Supin, an Indonesian citizen. He completed his education as a Bachelor of Accounting from Sriwijaya University with extensive experience in accounting, tax, asset management, risk management and finance. He joined Graduate Development Program (GDP) at PT Kaltim Prima Coal (KPC) in November 1999 until he served as Accounting & Tax Manager in 2008 then served as General Manager Finance in May 2012. In 2019, he was appointed as GM Business Development and Risk Management of KPC who is responsible for developing the coal PNT (value added) project by converting coal into chemical products. He served as PT Darma Henwa's Tbk Director since 2020, then appointed as President Director since July 2021.

  • Prabhakaran Balasubramanian

    Prabhakaran Balasubramanian


    An Indian citizen, Prabhakaran Balasubramanian was born in Salem, India, on April 17, 1973. He received a Bachelor's degree in Computer Science Engineering from PSG College of Arts and Science, Tamil Nadu, India, and holds a Certified Private Pilot License (PPL) from Government Aviation. Training Institute (GATI), Bhubaneswar, India. Prabhakaran is the Founder & Managing Director of Thrivini Earthmovers Private Limited. His career began in 1993 with a small used excavator and a garbage truck borrowed from friends and family. From there, he built Thriveni into one of the largest mining services companies in India with more than 4,500 units of Heavy Earth-Moving Machinery (HEMM) with an earthmoving capacity of 400 million BCM. Thriveni's growth started in 2012, under the leadership of Prabhakaran who was able to grow the company from USD5 million in revenue to USD1 billion in 2020, or in 8 years. Prabhakaran has served as Vice President Director of PT Darma Henwa Tbk since September 2020.

  • Agus Efendi

    Agus Efendi


    An Indonesian citizen, born in Ponorogo, on September 5, 1970. He holds a Bachelor's degree in Mining Engineering from the National Development University (UPN), Yogyakarta and a Masters in Natural Resources and Environmental Management from Lambung Mangkurat University, Banjarmasin. With 20 years of experience in various well-known mining contractors, he has extensive knowledge in the field of coal mining operations. He briefly filled the positions of Mining supervisor and Coal Quality Supervisor at PT Gunung Bayan Pratama Coal Muara Tae in 1998. After that, he became Project Engineer (2000-2001) and Deputy Project Manager (2008-2010) at PT Thiess Indonesia. Mr. Agus joined PT Darma Henwa Tbk in 2010 as Project Manager of the Asam Asam coal mine in South Kalimantan owned by PT Arutmin Indonesia. In mid-2012, he was appointed as Head of Bengalon Coal Project in East Kalimantan owned by PT Kaltim Prima Coal. He then served as the Company's Chief Operating Officer since October 1, 2013 and was appointed as Director on April 29, 2016.

  • Ahmad Hilyadi

    Ahmad Hilyadi


    Mr. Ahmad Hilyadi is an Indonesian citizen and was born on March 25, 1961. Obtained a bachelor's degree in management and finance from the University of Indonesia, in 1987. Started his career as an Account Officer at Bank Niaga in 1988. Then he served as Trade Finance Corporate Banking at Citibank International Banking Group and Vice President of Corporate Banking Group at Bank Danamon in 1993-1994. Then served as Senior Vice President of Investment Banking Group in 1995 - 1997. In 1997, he served as the vice president of corporate finance at PT Bakrie Capital Indonesia. Then, from 1998 to 1999, Mr. Ahmad Hilyadi served as the Vice President of PT Bakrie Finance Corporation. Since 2007, Mr. Ahmad Hilyadi has become an executive and owner of a number of companies in mini hydro power plant, waste energy solutions, infrastructure, and consultant oil and gas sector through PT Exabenda Cipta Karya, PT Total Guna Energy and PT Definita Hydro Nusantara, Noble Capital Resources (Asia) Pte Ltd, PT Definita Quantum Pacific, and PT Djasa Definita. He was appointed as Director of PT Darma Henwa Tbk through the Extraordinary General Meeting of Shareholders (EGMS) on August 19, 2022.