Extensive management experience within the renewable energy industry.

The international OPS group management has extensive business management experience in the renewable energy sector. With their combined years of experience in development of technologies, management and corporate success, the directors and managers of the OPS Group of Companies are highly committed to deliver upon the OPS business mission and vision statements.



Stephen Phillips, Director, Optimal PowerMr. Stephen Phillips: Group Director; Founder, OPS Australia

Mr Stephen Phillips has an extensive background in the development and commercialisation of renewable energy technologies, both in Australia and internationally. He has lead several companies in accessing a range of international markets including India, Philippines, Malaysia, China (with Hong Kong), Taiwan, Indonesia and the USA.
Stephen completed his Bachelor of Science at Murdoch University, Perth, Australia, with a Master of Electrical Engineering from Curtin University, Perth, Australia. After holding the position of Principal Investigator from 1986-1989 at Australia’s Murdoch University Energy Research Institute, Mr. Phillips became Managing Director at Advanced Energy Systems Pty. Ltd. Australia.

His research at Sandia National Laboratories, Albuquerque, USA awarded him with a Churchill Fellowship in 1987 for Solar Energy Research and since this date he has had over 50 papers published in the field of renewable systems technology. Stephen has also been a keynote speaker at APEC conferences in Indonesia as well as the Japanese Government Institute of Science & Technology, Tokyo. Mr Phillips also operates as a consultant specialising in photovoltaic technologies as well as renewable energy for the Australian Government, the Queensland Premier's Department and Murdoch University.

Swati Purakayastha, Managing Director, Optimal PowerDr. (Ms) Swati Purakayastha: Managing Director, OPS India

Dr. Purakayastha completed her Bachelor in Electrical Engineering with a Masters in Electronics & Communication Engineering from Jadavpur University, Kolkata, India in 1989 and 1991 respectively. Dr. Purakayastha was awarded a PhD from Jadavpur University in 1995 for her research of thin film photovoltaic technology. Professionally involved as a technical editor at the Institution of Engineers India since 1995, Dr. Purakayastha later joined the School of Energy Studies, Jadavpur University. In 2003, she received the Women Scientist Award from the Department of Science and Technology, Government of India. Dr. Purakayastha has been involved in several Government agency projects in the renewable energy field.

Dr. Purakayastha is a professional member of the Electrical and Electronics Engineers Inc. (IEEE) USA, the Institution of Engineers (India), Life member of Solar Energy Society of India and a Life member of the Indian Association for Cultivation of Science, India.

Dr. Rachmat Mulyadi: Managing Director, OPS Indonesia

Dr Rachmat holds degrees in Physics culminating in a Ph D in solid state devices and photovoltaic technology. He has been a senior official in the Indonesian Government Bureau of Science and Technology and was instrumental in establishing World Bank financing of solar energy projects In Indonesia.

He has held director positions in several corporations in Indonesia and is currently director of Optimal Power Indonesia. Dr Rachmat is focused on developing commercial opportunities for the company, especially in region contracts under the Indonesian Government's autonomy program.

Jeyaram Subramaniam, Director, OPS MalaysiaMr Jeyaram Subramaniam: Managing Director, OPS Malaysia

Mr Jeyaram Subramaniam has had a long involvement in the renewable energy area. He was a successful entrepreneur in Malaysia since 1995 setting up several companies to promote and apply solar photovoltaics to corporate clients.
He is currently on the board of several Malaysian companies and plays an active role in the development and management of projects in the region. With his input the Malaysian market has been significantly developed since 2004 and has resulted in a several high profile projects coming to fruition.

Mr Subramaniam was previously a senior engineering and support officer in the Merchant Marine service holding down important positions in a number of ocean going freight companies.

Technical Management

Ashok Prakash, Chief Technology Officer, OPS AustraliaMr. Ashok Prakash: Chief Technology Officer

Ashok Prakash is Chief Technology Officer of OPS India and holds a Masters of Technology (Electrical Machines and Industrial Drives) from the Warangal Kakatiya University completed 1987. He also holds a Bachelor of Electrical Engineering from Visvesvaraya College of Engineering, Bangalore University completed in 1985. Mr. Prakash has lectured at the Department of Electrical Engineering, Bangalore Institute of Technology conducting course in Electronic Circuits, Network Analysis and Synthesis as well as Power Electronics for graduating students. In 2002, he was awarded the prestigious Indira Gandhi National Award for propagating use of solar photovoltaic renewable energy in rural areas.

Mr. Prakash has worked with the international OPS group since 2004 and is a vital member of the company. In 2010 he was awarded a PmP, achieving accredited status for Certification in Project Management. Ashok is a key contributor to OPS technology development and has also led the delivery of projects including grid storage mini-grids and multi-megawatt solar farms.