Prabhakaran Balasubramanian
Chief Executive Officer

Mr. Prabhakaran Balasubramanian, an India citizen, finished his Bachelor of Computer Science Engineering from PSG College of Arts and Science, Tamil Nadu. He holds Certified Private Pilot License (PPL) from Government Aviation Training Institute (GATI), Bhubaneswar.


He is the Founder & Managing Director of Thriveni Earthmovers Private Limited. His career began in 1993 with one small used excavator and a dump truck on loan from his friends and family. From there, he built Thriveni to be the largest mining services company in India with more than 4,500 units of Heavy Earth-Moving Machinery (HEMM) with a earthmoving capacity of 400 million BCM and a US$ 1 billion in revenues.  Throughout Thriveni’s growth, Prabhu worked with and provided mining and construction services to major global companies such as Hoctief, Tata, Essar, NTPC, Arecelor Mittal, Reliance, JSW, India Cements Ltd, L&T, Madras Aluminum Co, Neyveli Lignite Corporation, Coal India, Tamil Nadu Minerals Limited, among many others.


More recent turnaround growth of Thriveni started from 2012, under the leadership of Prabhu who was able to develop it from a company with a turnover of USD 5 million to US$ 1 billion in 2020, all in the span of 8 years. Thriveni is the largest mining services company in India that has been operating for more than 25 years, with expertise in the fields of maintenance, renovation, reconditioning and engineering of HEMM.  Thriveni Rebuild Centre is the largest of its kind in India and one of the largest in Asia.  As of today, Thriveni has contracts for and produces 50 Million Tons (MT) of Iron Ore, 45 MT of Coal, 4 MT of Iron Pellets, 30 MT of iron ore slurry and 5 MT of Barites, with revenues in excess of US$ 1 billion for 2020.

Vinay Ganga
Deputy Chief Executive Officer & Chief Business Development Officer

Mr. Vinay Ganga, a British citizen, who was born on October 30, 1968. He obtained Bachelor of Academic Law in 1989, and Bachelor of Law from S.V University, India, in 1991. Furthermore, he continued his academic and obtain Bachelor of Civil Law from University of Oxford, United Kingdom, in 1995. Mr. Vinay is a Barrister, member of the UK’s honorable society of the Middle Temple. Appointed as Deputy Chief Executive Officer as well as Chief Business Development Officer on September 25th 2020.


Mr. Vinay is an accomplished professional competent in international laws, global business, asset development and strategic investments. His career path started as an advocate in India High Court from 1991 to 1993. Continued as Associate in several international law firm; he advanced to Partner in an international law firm of Cadwalader, Wickersham & Taft in 1999; Reed Smith in 2002 and Stephenson Harwood in 2006. He was also a lawyer who associated with International Barristers Chambers di 1 Essex Court Chambers.


In 2006, he held position as Co-Founder in Origo Partners, an investment fund company listed in London Stock Exchange. Since 2008, he was also a Founder/CEO in Curve Capital Ventures Ltd.


From 2011 until present, he is a Director – International Projects in Thriveni Earthmovers Pvt Ltd. He also officiated as Senior Consultant in Zhong Lun Law Firm since 2018, also as President, Executive Vice Chairman in Nevis International Bank and Trust (NIBT) since 2019.

Hemankur Upadhayaya
Hemankur Upadhayaya
Chief Financial Officer

Mr. Hemankur Uphadhyaya, an Indian citizen, born on December 3, 1982. He obtained his Bachelor of Technology from Indian Institute of Technology, New Delhi, India, in 2004 and Master of Business Administration / PGDBM (Finance) from Management Development Institute, Gurgaon, India in 2006.


Mr. Hemankur has seasoned strategy & finance professional with rich experience in financial & strategic planning, fund raising, strategic alliances, JVs and feasibility studies with extensive international business exposure of more than 15 countries across three continents. His career began as an analyst of equity capital markets at JP Morgan from 2006 to 2007. He then moved to Atherstone as Associate of Investments & Advisory, from 2007 to 2008. Moreover, he served as VP of Strategy & Finance at a metals and mining company named Earthstone in 2008-2014.


He started moving to Indonesia in 2014, as he became AVP of Business Development & Strategic Planning at PT Sinar Mas Agro Recources and Technology Tbk (IDX-listed: SMAR) which is subsidiary of Golden Agri.


Continued as Head of Corporate Finance and Group Business Development in 2018 at PT AKR Corporindo Tbk (IDX-listed: AKRA). Since 2019 until present, he held position as Vice President of Strategic Finance at Thriveni Earthmovers Pvt. Ltd.

Agus Efendi
Chief Operating Officer

Indonesian citizen, he was born in Ponorogo, on September 5, 1970. Appointed as Director on April 29, 2016. 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.

Mukson Arif Rosyidi
Chief Investor Relations and Corporate Secretary

Indonesian citizen, born in 1976. Mukson Arif Rosyidi obtained his Bachelor of Petroleum Engineering from Bandung Institute of Technology (ITB) in 1999 and Masters of Management major in Strategic Business Management from Prasetya Mulya Business School in 2010.

He served as Corporate Secretary since December 18, 2013, after developing his career for almost eleven years in the Bakrie Group for several industries such as manufacturing of pipes, components, fabrication & construction, and materials building.

His career began in early 2000 as a Management Trainee at PT Bakrie & Brothers Tbk. He also has experiences in several subsidiaries such as PT Bakrie Pipe Industries, PT Seamless Pipe Indonesia, PT Bakrie Tosanjaya, PT Bakrie Corrugated Metal Industries, PT Ratelindo and PT South East Asia Pipe Industries. In 2001, he was placed as Sales & Commercial Engineer at PT Seamless Pipe Indonesia Jaya until 2002. Furthermore, in September 2002 to 2008, he worked at PT Bakrie & Brothers Tbk with his last position as Operation Manager. From 2009 to 2010, he worked at PT Bakrie Metal Industries with his last position as Senior Manager Business Development and worked at PT Bakrie Tosanjaya as Chief Business Development Officer in early 2011. Mukson then appointed as Head of Business Development Division at PT Darma Henwa Tbk in 2012-2014.

Kathiravan Subramani
Chief Procurement & SCM Strategy

Mr. Kathiravan Subramani is an experienced Technical professional in Heavy Earth Moving and Machinery field for more than 20 years in Engineering Services, Crushing and Screening, Equipment planning, Strategic operations, Warehouse Management, Parts planning and procurement, Vendor Management, Large Scale Mining equipment purchase and commissioning. He built his career at Thriveni Earthmovers Pvt. Ltd. since 1999. Mr. Kathiravan became Assistant General Manager of Thriveni Earthmovers in 2005-2010. He then served as Senior Deputy General Manager in 2010-2016, before appointed as Assistant Vice President in 2016 until present.

Tata Athanur Sugavanam
Chief Asset Management Officer – Unscheduled Maintenance

An Indian citizen who was born on July 25, 1980. Mr. Tata studied Mechanical Engineer from Annamalai university, Tamilnadu, India. He has more than 18 years of experience all across India for strategic planning, production planning, resource optimization, operation and maintenance, maintenance procedures, engineering, workshop management, inventory management as well as vendor management. Self-have got wide experience in wide range of mining, construction, earthmoving, material handling, processing equipment, beneficiation plants and the making of new projects. He also has exhaustive experience in O&M of engineering services and processing plants.

Mr. Tata started working as a Trainee at Tata Motors’ Heavy Transport Vehicle section in the beginning of 2002. Afterwards, he joined Thriveni Earthmovers Pvt. Ltd. since 2002 until present. Mr. Tata became Senior Engineer and came out as Senior Manager of Mechanical in 2007-2009. In the year of 2010-2012, he was promoted as Assistant General Manager of Processing Plan. Then in 2012-2013, he served as Deputy General Manager of Processing Plant and became Senior General Manager of Engineering Services in 2014-2016. While in 2016, he was promoted as Assistant Vice President of Engineering.


Barita Andi Siregar
Chief Asset Management Officer – Regular Maintenance

Barita Andi Siregar has more than 20 years of experience in mining and more than 5 years in the field of machinery engineering. Siregar who was graduated from Bandung Institute of Technology, majoring in Mechanical Engineering, was once Vice President of Asset Management at Galeo Equipment Corporation, Philippines. He also established a mining contracting company and held the position of Chief Administrative Officer. Previously, Barita Andi Siregar had served as General Manager of Asset Management at PT Petrosea, and General Manager of Plant at PT. Omega Mining Services.

He was also the General Manager of PT Kaltim Prima Coal’s plant from February 2006 to June 2012. Then, General Manager of Mining Support Division from March 2007 to June 2012.


Cinnarasu Kumaresan
Deputy Chief Operating Officer – Coal Projects

Mr. Cinnarasu Kumaresan is an Indian citizen who was born on June 15, 1971. He has more than 26 years of strongly focused experience in mining sector with proven records of providing strategic leadership and vision to the Company by working with the Board of Directors and the senior management team to establish, implement and over-see the long-range goals, strategies, plans and policies of the Company in turn leading to the growth of the Company as a leading profitable and sustainable mining, metallurgical processing and refining, and exploration Company.

He obtained his Bachelor of Business Administration from Alagappa University, India, in 2007. Previously, he has Diploma of Mechanical Engineering from State Board of Education & Training, Department of Technical Education, Chennai, india, in 1998. He also has Certificate Course in Automobile Technology from Annamalai University, india, in 1996.

Mr. Kumaresan has been working at Thriveni Earthmovers Pvt. Ltd. since 1993. He became Country Head of PT Thriveni, Indonesia, in 2007 until present.

Wisnu Wahyudin Pettalolo
Deputy Chief Operation Officer – Non-Coal Project

Wisnu Wahyudin Pettalolo has more than 27 years of experience in various industries. Most of his experience is at directorate level, such as at PT Mapalus Mangga Consultant as Director of Road and Bridge Spatial Planning Consultants for Eastern Indonesia, President Director of PT Sulawesi Agromalindo Lestari, Commissioner of Mining Open Management C and Sea Transportation of PT Kaltim Persada, President Commissioner of PT Berdikari Mandala Pratama, Commissioner of PT Bangun Buana Cipta Dinamika, Director of PT Prima Sahaja, President Director of PT Mutiara Tanjung Lestari, President Director of PT Pelayaran Sanditia Perkasa Maritim, and Director of PT Marus Indonesia. Currently, he also serves as Commissioner of PT Nusantara Adara and PT Integra Communica Nusantara.

He holds bachelor degree of Accounting from Swadaya College of Economics, Manado (1998) and master’s degree of Management from WR Supratman University, Surabaya (2012).

Wisnu Wahyudin Pettalolo is also a member of a number of organizations such as the Indonesian Young Entrepreneurs Association (HIPMI), the Indonesian National Shipowners Association (INSA), the Indonesian Logistics and Forwarders Association (ALFI / ILFA), the Indonesian Employers Association (Apindo), and the Indonesian Truck Employers' Association (Aptrindo). He is also a Vice Treasury at PB PABBSI.