Leadership Teams

Mary was appointed Group Chief Executive Officer in August 2020. She joined Mainstream in 2009 and she held the role of Group Chief Financial Officer since 2017.

Mary has graduate and post-graduate qualifications from UCD and is a Fellow Chartered Accountant (FCA) and Chartered Tax Adviser (CTA). She is an advocate and spokesperson on gender diversity and participated was a mentor for the Global Wind Energy Council’s (GWEC) Women in Wind programme.

Prior to joining Mainstream, Mary held senior-level positions in finance and corporate tax in PricewaterhouseCoopers and Trinity Biotech Plc.

Bart was appointed Group Chief Operating Officer in 2018 and holds responsibility for the Group’s health and safety, project development, construction and operational activities.  

His appointment to Group COO followed his secondment to Mainstream Chile as General Manager for three years and previously, Bart was COO for global onshore developments across the company. 

Formerly, he worked for global developer Airtricity, leading construction for a number of wind assets. Before this Bart worked with Schlumberger Oilfield Services on onshore and offshore oil and gas projects.

Bart graduated as an Electronic and Electrical Engineer from Trinity College Dublin (TCD) and holds an MBA from University College Dublin.  He is an IOD Chartered Director, holds PfMP, PgMP, PMP, RMP and SP certifications from the PMI and has a higher diploma in Construction Law and Contract Administration from TCD, and a Diploma in Executive Coaching from the Irish Management Institute.

Paul was appointed to the role of Group Chief Financial Officer in August 2020. He joined Mainstream in 2008 and has been a part of Mainstream’s management team and a director of a number of Mainstream group companies since 2014.

Previously, he led Mainstream’s corporate finance division responsible for managing company strategy and the funding of Mainstream’s global activities principally through raising equity and debt amounts at the holding company and project company levels working with large international financial institutions and smaller retail or High Net Worth investors in Ireland and the UK.

Paul has executed multiple transactions with a value of c.€2.0bn, in project finance, mezzanine finance, trade finance, corporate debt, M&A etc across multiple jurisdictions.

Prior to joining Mainstream, he worked in IBI Corporate Finance and KPMG, qualifying as an Associate of both the Irish Taxation Institute and a Fellow of the Institute of Chartered Accountants. He holds a Master’s degree in Finance and Economics from the London School of Economics.

Elaine joined Mainstream in 2008 and has 20 years of diverse Human Resources experience in the renewable energy industry. She and her team are responsible for providing a comprehensive and commercially focused HR service for the Mainstream Group.

She successfully established and grew the Human Resources department where her team has supported the establishment of offices and recruitment of staff across 6 continents. She is part of Mainstream’s Sustainability Committee.

Prior to joining Mainstream, Elaine worked at Airtricity as Senior HR Executive.

Elaine earned her Bachelor of Arts degree in Spanish and Economics from University College Cork and a Bachelor’s Degree in Human Resource Management from the National College of Ireland. She is a Chartered member of CIPD.

Hein assumed the position of General Manager in 2016. He has direct responsibility for projects in development, construction and operations including taking the lead on Mainstream’s Africa initiatives late in 2016.

Since Hein joined Mainstream, his roles have included project and business development through to construction. Having worked in renewable energy since 2008, Hein has vast knowledge and experience in the industry.

Hein trained as a mechanical engineer and built a successful career in delivering complex projects and new business initiatives leading multi-disciplinary teams of professionals. His experience covers rewarding enterprises in the automotive, rail, marine and energy industries. He has been one of the pioneers of the South African renewable energy industry and a board member of the South African Wind Energy Association (SAWEA) from 2014 to 2018.

Manuel Tagle stepped into the role as General Manager of Mainstream’s LatAm business in April of 2018.

He has extensive experience in the energy industry, particularly in renewables. Prior to joining Mainstream, Manuel was CEO of SunPower and Commercial Manager of Sociedad GNL Mejillones.

Manuel has a degree in civil industrial engineering and an MBA from the Universidad de Desarrollo, Chile. He is currently the Treasury Director of ACERA, the Chilean Association of Renewable Energy.

Tove was appointed Head of Offshore Wind in 2022 and holds responsibility for the Offshore Wind center of excellence including development, projects, partnerships and technology.

Her appointment follows the integration of Aker Offshore Wind where she held the role of Chief Operating Officer. Tove joined Aker Offshore Wind in 2021 and has extensive global leadership experience. Her previous leadership experience at Aker includes roles such as Executive Vice President, Country Manager, Chief Communication Officer as well as leading large transformation projects in Aker Solutions.

In addition, she has held several other leadership roles within project management, manufacturing, and engineering. Through her over 25 years of experience in the energy industry, Ms. Røskaft has demonstrated the ability to inspire and motivate teams to deliver high performance and results.

Ms. Røskaft holds a M.Sc. in Marine Hydrodynamics from NTNU, the Norwegian University of Science and Technology.

Eduardo joined the Asia Pacific team in 2020 and took up his current role, with responsibility for Mainstream’s business development and expansion in the region, in June 2021.

Previously, he was part of the Group’s Central Commercial team.

He has worked in the renewable energy sector since 2010, with a focus on business development and project finance transactions in emerging markets.

To date, he has closed more than 4,000 MW (gross), with cumulative deal values in excess of USD 1 billion in South America, Southern Africa and Southeast Asia.

Before joining Mainstream in 2017, he worked with FBP Investments, leading market entry in Indonesia in 2011 and developing the country’s first utility-scale solar PV project, and spent time as a Senior Consultant with KPMG Advisory in Rio de Janeiro, Brazil, with a focus on the energy sector.

Eduardo holds a BSc in International Economics from Universita’ Bocconi (Italy), an MA in International Studies from the University of Vienna (Austria) and is fluent in English, Italian, Portuguese, Spanish and French.

Birgitte was appointed General Counsel at Mainstream in October 2022 where she has responsibility for the legal and compliance functions across the Group.

She joined Mainstream from the position of General Counsel at Aker Offshore Wind following the company’s combination with Mainstream in August 2022.

She has worked in private practice within the energy sector for most of her career and since 2013 as a partner in the law firm Wikborg Rein.

Birgitte graduated with a law degree from the University of Bergen in 2002.

Jutta joined Mainstream in April 2023 as Chief Growth Officer being responsible for Strategy, M&A, Commercial and Power Marketing as well as Business Development for all technologies and Power2X.

Prior to joining Mainstream, Jutta was global Senior Vice President Global Accounts and Partnerships (M&A) and lead the New Markets Team at RWE Renewables. Jutta has 20+ years’ experience in the energy industry, 14 with RWE Renewables. During her tenure with RWE, she developed a strategic approach to Partnering, Capital Rotation, Pipeline enhancement and to Market Entries and successfully executed the strategy with numerous transactions (selldowns of assets in Europe and US, acquisition of projects and companies and winning large Offshore leases in the US and UK) as well as market entries in i.a. Chile, Mexico, Australia, India, Japan and South Korea.

Prior to her last role, she led different legal teams within the wider RWE group and worked for international law firms Clifford Chance and White and Case.

Jutta studied law in Würzburg, Bochum and Essen and holds an LL.M. from UC Davis and is admitted to the German bar in Düsseldorf and the New York bar.

In June 2021, Patrick was appointed Chief Technical Officer for Mainstream with an immediate focus on digitalisation and identifying and deploying new technology to enable Mainstream to develop, construct and operate renewable projects more efficiently at a lower cost.

Having joined Mainstream in 2011, he previously led the procurement, engineering, EAG, construction, operations and development activities centrally within the Mainstream group.

Patrick has worked in engineering, procurement and project management roles for 18 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 holds an 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.