APAC

Raghuram Natarajan joined Mainstream as Asia Pacific Chief Executive Officer in July 2019, and is responsible for leading our expansion strategy from the new regional headquarters in Singapore.

He has extensive experience in renewable energy investments and development. In his previous position as APAC CEO with Juwi, he delivered 1.2 GW of solar and wind projects into commercial operation and oversaw a portfolio of more than 1 GW under long-term asset management.

A biomedical science graduate of the National University of Singapore, Ram also holds a post-graduate degree in Technological Entrepreneurship from Wharton Business School, University of Pennsylvania, and an Executive MBA from London Business School.

Patrick leads the procurement, engineering, construction, operations and development activities centrally within the Mainstream group.

Patrick has worked in engineering, procurement and project management roles for 15 years in the energy industry, the majority of which has been spent in renewables. Patrick commenced his career in ESB International before working for six years with Kirby Group Engineering. Patrick joined Mainstream in 2011.

Patrick holds a first class honours degree in Electrical Engineering from University College Dublin. Patrick is a member of the Institute of Engineers Ireland and the Institute of Engineering and Technology in the UK.

Adrian joins the APAC team in Singapore from April 2019 as Head of Finance for the region.  He joined Mainstream in 2016 working as Head of Finance in Dublin responsible for the Group Finance function and the management of finance teams in Chile and South Africa.   

Before Mainstream, Adrian worked for a large Irish retail organisation as Head of Finance for 5 years.  Adrian has previously had experience in the energy sector and worked with Vayu Energy (now Naturgy) as Financial Controller.  Vayu were the first independent supplier of natural gas and electricity to the commercial market in Ireland following deregulation.  

Adrian qualified as a chartered accountant with PricewaterhouseCoopers Dublin in 2001.  He holds a degree in Accounting & Finance (BA) and Master in Accounting (MBS) from Dublin City University. He is a fellow of Chartered Accountants Ireland.  

Ray is responsible for managing strategic relationships with institutional debt and equity providers to fund Mainstream’s global development portfolio of wind and solar projects. 

Based in Singapore, Ray has spent over 17 years in the asset management and banking sectors.  He has originated and structured multiple investments in the renewable energy industry and has developed a strong client network internationally encompassing some of the world’s largest institutions, Sovereign Wealth Funds, Corporates and Family offices. 

Previously, Ray’s experience includes roles in Royal Bank of Scotland (RBS) and international private bank – Julius Baer, specialising in UHNW relationship management, financial structuring and investment product design. Ray holds a Bachelor of Engineering (Honours) in Electrical Engineering from Queen’s University Belfast.