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Thomas W. Shreve J.D. has over 30 years’ experience as a business executive, investment banker, lawyer and consultant. Since 1991 he has lived in Indonesia, where he has managed many ground-breaking transactions, held positions of responsibility in a broad range of industries, and achieved a deep understanding of emerging markets and cross-cultural issues.

Mr. Shreve’s transactional experience includes managing the acquisition of F.C. Internazionale (Milan), the sale of Bank Niaga by the Indonesian Government, and numerous international and domestic initial public offerings and bond issues. His main areas of technical expertise are mergers and acquisitions, project financing and structuring, arrangement of securities issues and commercial loans, and general contract negotiation and mediation.


Bret Mattes is an earth scientist and economist, trained in Australia, Canada and the US, with over 30 years of experience in the global energy and resources sector. He was CEO of Star Energy, an Indonesian oil & gas and geothermal energy producer that operates the 230MW Wayang Windu geothermal project in West Java for 7 years, and has worked on numerous other renewable energy and petroleum projects in Indonesia and throughout the region.

Bret is an accomplished project manager and dealmaker who brings a wealth of Asia-Pacific energy expertise to Numada, having held high level executive positions with several major resource companies. He is currently a Senior Advisor on power generation at PT.Pertamina (Persero). He has been Vice President at BHP Billiton, a Director of North West Shelf Gas Pty Ltd, Vice President at Australian LNG Pty Ltd, and an Exploration Manager at Shell International, based in The Hague. He is the Chairman of the Association of Low Carbon Businesses in Indonesia (ALBI), and has held more than 50 executive and non-executive directorships in business, health, energy, SOEs and the arts in Australia and the Asia Pacific.


Alan Llewellyn brings experience from a range of fields including Business Administration, Project Management, IT, Design, Publishing, Translation, Hospitality and Education. He began his career in education and went on to become Senior Editor of Wine&Dine Magazine.

He worked as Senior Consultant for the European Commission on the EU-RI Trade Support Programme before joining Numada responsible for business development, project supervision, documentation, IT, and communications. Mr Llewellyn has overseen a wide of projects for Numada and was also appointed as Operations Manager for the development phase of a 300MW power plant and LNG distribution project in South Sulawesi.  



Perry serves as a Director of Power Merah Putih. He is a senior consultant and attorney specializing in project management, project and corporate finance, and mergers and acquisitions with over 25 years’ professional experience in private practice and as a General Counsel of multinational corporations.

Perry has led various deals in the Energy, Petrochemicals, Offshore Marine Services businesses. He is based in Indonesia and speaks fluent Indonesian. Perry is a graduate of the University of Washington in Seattle and Cornell Law School. In his spare time Perry is a marathon runner.


Over the past 30 years, Chris Bennett has worked mostly in Indonesia, but also in other Asian, African and Central American countries, on natural resource management and governance with a special focus on forestry and agroforestry.  His analytical work has centered on the root causes of unsustainability or the three U’s, Uncertainty of Tenure, Undervaluation of Resources and Under-regulation of Negative Externalities as well as the persistent challenge of achieving broad-based acceptance that conservation and economic growth can be mutually-reinforcing.

In recent years, Chris has worked on the establishment of equitable spatial certainty to encourage investments by smallholders, rural communities and the private sector in renewable natural resources. Most recently this work has focused on participatory zonation and licensing to align formal land use status with societal functions including habitat and species conservation values.

Mr Bennett is an Adjunct Professor at the Faculty of Land & Food Systems, University of British Columbia (UBC)


Rod has spent over 30 years in Asia working extensively in the energy business with nearly 20 years of that with Rolls-Royce based in Japan, China, India, Indonesia and Singapore. Over more recent years he has been in a leading role in geothermal power project development in Indonesia with a major international joint venture. This role included overall project management responsibility. He then moved into business development for an international geothermal drilling company given his extensive knowledge of the Asian market.

 In April 2015 whilst based in Indonesia Rod joined a new geothermal development company with overall responsibility for the South East Asia region including Indonesia, Malaysia and the Philippines before moving to Jersey ito head up their geothermal project development business with a focus on Scandinavia, Northern Europe, East Africa and India. In April 2019 Rod returned to Indonesia and was appointed as an associate of PT Numada.

Rod is a graduate of the University of Sheffield in the UK with an Honours degree in Mathematics.


For 10 years, Radja was Director in charge for Fega Marikultura, to date the only significant open sea aquaculture business in Indonesia, establishing a vertically integrated operation with hatchery, processing plant and a barramundi grow out farm in Pulau Seribu, Jakarta. He was solely responsible for sales and marketing, and successfully upgraded a processing plant to international standards, obtaining certification from ISO, BRC and IFS accreditation bodies.

Radja served as President Director of Ferrostaal Indonesia until 2018. Prior to his time at Fega Marikultura, he was a Department Head at DaimlerChrysler Indonesia. Radja has a degree in mechanical engineering from ISTN Jakarta


Malcolm A R Llewellyn OBE is a cement industry expert with an extensive track record in the construction and management of cement plants around the world over a period of four decades. He has managed 18 different operations – including positions as General Manager and CEO with blue chip international companies – across the UK, Africa and Asia. In addition to his work in the cement industry, he has experience in shipping, contract negotiation and financing. He also set up a light transport business for which he raised venture capital in the UK.

Mr. Llewellyn is a past chair of the British Chamber of Commerce in Indonesia, and in 2010 was awarded an OBE for his service to British business in Indonesia.



After obtaining his Industrial Engineering degree in the United States, Mr. Wiraatmadja worked with the Indonesian representative of Caterpillar Solar Turbines for 18 years, with positions in sales, after-sales service, and ultimately as Director of Power System utilities. In these roles he was responsible for delivering a number of nationally prominent energy sector infrastructure projects. In 2006, Mr. Wiraatmadja established a successful compressed natural gas (CNG) distribution business, one of the first in Indonesia, and in 2013, together with his partners acquired a majority stake in an engineering company.

Westana is the founding shareholder and driving force behind the development of PT Adviasi Merah Putih, PT. Energi Nusantara Merah Putih and its subsidiaries Pasifik Agra Energi and Power Merah Putih.


Sugiarto Perwata is President Director of the Swadaya Sarana Berlian group of companies providing a range of services in the oil and gas sector including drilling work-over, jack-up facililites, offshore base ownership and operation, marine vessel ownership and operation, as well as chartering services.

His extensive knowledge of the offshore oil and gas industry is supplemented with his experience leading companies in the logistic and trucking industries as well as in the hotel and office ownership and operation sectors.


A graduate in law from Indonesia Christian University, Faroek Basrewan has had a long and distinguished career in general mediation and dispute resolution, and Government and regulatory relations. He has served as advisor or on special assignment to the Coordinating Minister of Maritime Affairs, the Minister of Foreign Affairs, the Minister of Defense and the President’s Special Envoy to the Middle East. He previously served as a senior executive for Philips-Duphar and American Home Products in Indonesia. He is fluent in Indonesian, English, Dutch and Javanese, and has travelled to 56 countries in commercial and Government capacities.