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The SEAI Board sets the strategy and policies for SEAI. It is responsible for the system of internal financial control, and processes and procedures to ensuring that the system is effective.

Board members

In accordance with the provisions in the Sustainable Energy Act 2002, the SEAI Board consists of 12 members (the Board Chair and 11  Board members). Appointments to the SEAI Board are made by the Minister for Environment , Climate and Communications with the consent of the Minister for Finance.

Requirements of the board

SEAI Board members are required to provide an annual Statement of Interests to the Standards in Public Office Commission and the Secretary to the Board. This is in line with the Sustainable Energy Act 2002, the Ethics in Public Office Acts 1995 and 2001. And the revised Code of Practice for the Governance of State Bodies.

Download the Code of Governance

Dermot Byrne


Appointed August 2020

Dermot's background is in utility engineering and management. He was CEO of EirGrid through its initiation and growth phase, from 2005 to 2012. Prior to that he served as Head of ESB Networks. Since retiring from EirGrid, Dermot has served on a number of Boards, including that of Element Power - a wind development company. He currently chairs an Irish overseas development agency, VITA, with a strong focus on rural communities and climate action in East Africa.

Dermot is a Fellow of Engineers Ireland and served as its president in 2016 / 17. On behalf of DCENR (now DCCAE) he chaired an expert group to develop a national Energy Research Strategy. The report of the group, Energy Innovation Ireland was published in 2016.

William Walsh


Appointed January 2021

William Walsh is Chief Executive Officer in SEAI, having previously held the position of both Chief Operations Officer and Chief Financial Officer. William joined SEAI in 2013. Prior to joining SEAI he worked for Inland Fisheries Ireland (IFI)  where he held a number of roles including Assistant Chief Executive Officer and Director. Prior to that he held senior management positions in the private sector. William is a Chartered Accountant, holds a Bachelor of Business Studies from Dublin City University and a Graduate Diploma in Strategy, Innovation and Change from UCD.

Sharon O’Connor

Board Member

Appointed August 2020

Sharon is a Fellow and Chartered Director of the Institute of Directors with over twenty-five years senior leadership experience. A Chartered Fellow of the Institute of Personnel Development and she is also professionally qualified in Marketing.

She is nearing the end of her 5yr. term as Chair of the Education Authority Northern Ireland, a regional organisation employing 44,000 with a budget of £2bn. She was previously Chief Executive of Derry City Council and a former Chief Officer in Down District Council. She has a strong interest in local government and serves on the Accounts Commission for Scotland and the National Oversight and Audit Commission in the Republic of Ireland. Over a long career she has worked in the private, public and community/voluntary sectors as a business owner and consultant. She is particularly interested in community planning, regeneration and innovation in the public sector.

Dr Peter Brennan

Board Member

Appointed 6th May 2015

Dr Peter Brennan is Managing Director of EPS Consulting, a public policy research consultancy, and Chairman of Bid Management Services, Ireland's largest tender and procurement advisory company. He has a particular interest and expertise in climate change and energy. He chaired the IEA's Climate Change Research Group from 2007 to 2015 and was an advisor to the Oireachtas Joint Committee on Climate Change and Energy. He lectured on the DCU Masters and Certificate Programme on Sustainable Energy Finance. He is author of an ebook on business opportunities in the green economy. He was IBEC's Director for European Affairs and Strategy Development and was Director of the Brussels based Irish Business Bureau from1986 to 2001. In his earlier career he worked in the Departments on Industry and Energy and Foreign Affairs.

Ann Markey

Board Member

Ann Markey, (appointed 14 July 2017, reappointed 14 July 2022), is a Fellow of Chartered Accountants Ireland and an experienced business leader, committee chair and non-executive director. She has extensive experience in the electricity industry and was a senior executive with ESB and with Greencoat Capital, a leading renewable energy investment company. Her experience spans traditional electricity businesses as well as investing in low carbon technology and renewable energy companies. She is an independent non-executive director of Foresight Solar Fund Limited, a London listed solar PV investment company. She is also a non-executive director of Velocys plc, an AIM listed, UK-headquartered international sustainable fuels technology company. She is a member of the Audit & Risk Committee of the HSE. She was appointed to the Board of the Land Development Agency in November 2022.

Mr Andrew Ennis

Board Member

Andrew is Renewable Energy Director with Bartra Capital, which has investment activities in several areas in the Irish infrastructure market including, housing, healthcare, commercial property and renewable energy. He is a Chartered Accountant and holds a B.Comm and M.Acc from U.C.D. Andrew has over 16 years’ corporate finance experience in the Irish infrastructure market, specialising in energy and renewable energy. Andrew has previously worked for the NewERA Unit of the National Treasury Management Agency which was established to provide corporate finance advice to the Irish Government in relation to the management and disposal of State assets and investment in key economic infrastructure, and with NCB Corporate Finance
(now part of Investec Ireland), specialising in infrastructure mergers and acquisitions, valuations and fundraising.

Léan Doody

Board member

Léan is Digital Property and Cities Leader for Europe at Arup. She has over 20 years of professional experience in the industry which includes working with a variety of clients from city and national governments to private developers, and on a variety of projects involving extensive strategy and policy work on the application of smart technologies. Recent project work includes digital strategy and policy work for the Danish and Singaporean governments, the Greater London Authority, Dublin City Council, Sydney, Canberra and major masterplanning projects in Madrid, Singapore and Dubai.    

In this evolving field she has been active in working with research institutes and industry bodies to set international standards and research agendas, including the British Standards Institute and Cambridge University's Centre for Smart Infrastructure and Construction. She is an Honorary Senior Lecturer at University College London in the Department of Science, Technology, Engineering and Public Policy and an external examiner at the Royal College of Art in London.


Joe O'Carroll

Board member

Joe O'Carroll has over 25 years experience in the Energy, Sustainability, Cleantech and AgTech sectors. He has worked in Ireland, the UK, USA, Africa and the Balkans. An Agricultural Science Graduate from UCD, he has an MBA (UCC) and a Diploma in Company Direction (Institute of Directors). He has completed executive training programmes at the IMI Dublin and the Kennedy School at Harvard. Having founded, scaled and sold his own renewable energy business between 2008 and 2017 he has held senior management positions covering areas such as general management, strategy, commercialisation, sales & marketing and fundraising. He is a non-executive director of both a tourism business and a management consultancy firm which specialises in the industrial pharmaceutical sector. Joe is currently the Commercial Director and a board member of Treemetrics, a technology company based in Cork and supplying a hardware enabled SaaS product to the global forestry and timber products industry.


Justina Corcoran

Board member

Justina currently holds the position of Principal Officer, in the Climate Adaptation and Citizen Engagement Division of the Department of Communications, Climate Action and Environment. She has over 20 years’ professional experience, in the public sector, across a broad and varied number of Departments. As the former Head of Internal Audit in the Department she understands and is passionate about promoting and ensuring that a strong and effective system of Governance and Internal Control exists and flourishes within an Organisation.

In recent years, Justina completed the ACCA Professional Accounting qualification achieving 1st place in Ireland (2nd worldwide) on the Governance Risk and Ethics professional level paper and 1st Place in Ireland (8th Place Worldwide) on the Advanced Corporate Reporting Professional level paper. She has also held leadership roles in relation to National Projects such as the National Postcodes System (“Eircodes”) and recently led the Department towards achieving compliance with the introduction of the GDPR as Data Protection Officer.



Robert Wasson

Board member

Robert's background is in utility management and regulation, asset management and management consulting.  On the utility side, he held various senior management roles in ESB and ESB International, both in Ireland and overseas.  He was responsible for transitioning Northern Ireland Electricity into new ownership following its acquisition by ESB, then becoming an Executive Director. Previous board work includes as an NED at Drogheda Port, and two terms as Chair of Lagan Valley Regional Park in Northern Ireland.  In consulting, he led KPMG's Strategy and Performance Improvement practice in Ireland, and went on to found Watershed Consulting, which became a leading boutique consultancy and interim management provider. Robert is an MBA alumnus of the Smurfit School at UCD, and is a Chartered Director.  He is a member of both the Institute of Directors, and the Institution of Engineering and Technology in the UK.


Maria O'Dwyer

Board member

Maria is Head of Asset Management with Uisce Eireann and a Chartered engineer with over 20 years’ experience in the engineering and utility sector.  She is an effective and strategic leader, with a keen focus on delivering through empowering people. In her career to date Maria has held a number of senior management roles in both Gas Networks Ireland and Irish Water where she had responsibility for delivering large multifaceted programmes and national transformations. Maria has a Research Master’s degree in Engineering Science augmenting her primary degree in Electronic Engineering (University College Dublin). Maria also holds Postgraduate Diplomas in Supply Chain Management (University College Cork), Business and Executive Coaching (Smurfit Business School) and a Diploma in Company Direction (Institute of Directors). Maria previously served as a Director on the Board of Irish Water.



Barry McMullin

Board member

Barry is a Full Professor in the Faculty of Engineering and Computing at Dublin City University. He has worked and published across a wide variety of fields, with a special focus on the interdisciplinary application of complex systems science. He has recently led research projects investigating the potential role of negative emissions technologies in Ireland, the application of multi-gas greenhouse gas budgets in national climate action scenarios, and the use of open access software and datasets in developing deep decarbonisation scenarios for the Irish energy system. He has held various senior roles in DCU including serving as Faculty Executive Dean, and as a member of DCU’s Academic Council, Senior Management Group, and University Executive Committee. He is a member of the Engineers Ireland Energy, Environment and Climate Action Division, serving as Division Committee Chair for 2021-2023.