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.

Grace joined Mainstream at the end of 2019 and has 13 years of generalist human resources start up experience, of which 9 years was in the renewable energy industry.

She is responsible for setting up and managing the core HR operational functions for multiple entities within the Asia pacific region and play a vital role in supporting the senior management team in developing HR strategies in line with organizational objectives.

Prior to joining Mainstream, she Grace worked with Vestas and also held headed up Conergy and Juwi. Grace graduated with a Bachelor of Arts from the National University of Singapore.

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.  

Phong Han was appointed General Manager, Vietnam in January 2020. He leads local teams to pursue development opportunities in onshore and offshore wind and solar across Vietnam.

Phong has years of practical experience in developing and managing large-scale renewable energy projects. From 2013 to 2017, Phong managed the Vietnam Clean Energy Program, a USAID's flagship five-year initiative to promote low emission sustainable development in Vietnam. Before joining Mainstream, Phong was Vietnam General Manager of a european independent power producer, where he successfully commissioned a 50 MW solar farm within one year and built a development portfolio of several hundred MW of solar and offshore wind projects.

A graduate in international trade from Vietnam's Foreign Trade University, Phong also holds a master’s degree in quantitative economics and international project management from the Paris-Est-Creteil University of France. He is also Vice-Chairman of the Vietnamese affiliate of the Internal Building Performance Simulation Association (IBPSA).

Aoife joined the Asia Pacific team in January 2020.  Since joining Mainstream in 2013, Aoife has held senior positions in both the Corporate Finance team and previous to that, the Group Finance team.  Her experience in the Corporate Finance team included managing the company’s corporate debt and equity relationships. She also provided corporate support to local project finance teams.  Previously in the Corporate Finance team, she was responsible for preparing the Group’s Annual Report, preparing management reporting deliverables and heavily involved in the budget process. Formerly, Aoife spent four years working with PwC where she obtained her ACA qualification. Aoife holds a Bachelor of Commerce from University College Dublin (“UCD”) and a MBA from the UCD Michael Smurfit Graduate Business School.

Bernard has overall responsibility for the development of the 800 MW Phu Cuong offshore wind farm and with Mainstream’s joint venture partner for the project the Phu Cuong Group.

He joined Mainstream in 2009 as Head of Civil Engineering and subsequently held the role of Head of Offshore Engineering where he led the engineering team for Mainstream’s two flagship offshore projects, the 4 GW Hornsea zone off the coast of England - subsequently sold to Ørsted and the 450 MW Neart na Gaoithe offshore wind project in Scotland sold in 2018 to French utility giant, EDF Renewables. Following the sale of UK offshore projects, Bernard was appointed to Group Head of Asset Engineering before his appointment to Development Director - Vietnam.

Between 2006 and 2008, Bernard worked in Vietnam as Project Manager constructing the Hai Phong thermal power plant while working for Irish utility, ESB International.

His area of academic qualification is in civil and geotechnical engineering and he has experience in all aspects of power generation from design through construction and operation.

Bernard graduated from University College Dublin with a first-class honours degree in civil engineering and has a master’s degree at Imperial College, London in Soil Mechanics and Engineering Seismology. He is a former Chairman of the Geotechnical Society of Ireland.

Colin joined Mainstream as General Manager in November 2019 and is responsible for developing the business and a pipeline of renewable energy projects to align with major infrastructure upgrades in Australia’s National Electricity Market.

With over 15 years’ international experience in the energy sector, the last nine in Australia, Colin has initiated and developed over 1 GW of renewable energy projects in five countries. Prior to dedicating himself to the energy industry transformation, Colin worked as a consultant on major infrastructure projects including the Channel Tunnel Rail Link and West Coast Route Modernisation rail projects in the UK.

Colin holds a Bachelor of Science (Honours) degree from UWE Bristol and an MBA from EOI Madrid.