Our Leadership

Our people dedicate themselves to a better transmission grid, for the benefit of all. We achieve this goal with a combination of expert skills from a wide range of experience. You can learn more about our executive team and board here.

John O'ConnorChairman

John O’Connor was appointed Chairperson of the Board of EirGrid with effect from 12 November 2013.  From 2000 to 2011, he was the Chairperson of An Bord Pleanála, the independent national tribunal for the determination of planning appeals and strategic infrastructure projects.  Prior to that, he served for 35 years as a civil servant in the Department of the Environment where he occupied senior positions as Finance Officer, Principal Housing Policy and Finance and Assistant Secretary in charge of the Planning and Water Services Division.  He has also served as director of three commercial State Bodies: the Housing Finance Agency, Temple Bar Properties and the Dublin Docklands Development Authority.  He is also the Chairperson of the Pyrite Resolution Board.  He holds a Diploma in Public Administration from UCD. 

Dr. Joan SmythDeputy Chair of the Board

Dr Joan Smyth was appointed to the Board in June 2009 and reappointed for 5 years in 2014. In September 2015, the EirGrid Board appointed her as Deputy Chairperson.

She currently chairs the Woman's Fund for Northern Ireland and was Chair of the Chief Executives' Forum for more than five years. Previously Dr Smyth was Chairman of the Progressive Building Society based in Belfast, and a Director of Trinity Housing Association.

She served two terms as Chair of the Northern Ireland Transport Holding Company from 1 July 1999 to 30 June 2005. She was Chair of the Equal Opportunities Commission for NI from 1992 (Chair & Chief Executive until 1 October 1998). She remained in post until the new Equality Commission was established in October 1999. She was elected to the Board of the British Council in September 1999 and chaired its Northern Ireland Committee.

Dr Smyth has a BSc (Econ) from Queen's University, Belfast and is a Companion of the Institute of Personnel and Development. She is a past Federation President of Soroptimist International of Great Britain and Ireland, and is a member of the International Women's Forum. She is Vice President of the Railway Preservation Society of Ireland, and was awarded a CBE in the 1998 New Year's Honours List.


Michael HandBoard Member

Michael Hand was appointed to the EirGrid Board in July 2015 for a period of five years. Michael has extensive experience over 30 years as a senior leader in the consulting engineering and construction sectors in Ireland and latterly as CEO and Director of Grangegorman Development Agency. During his career he has played a lead role in the growth and development of PH McCarthy Consulting Engineers, a leading multidisciplinary business as Director, Managing Director and Executive Chairman. Following the merger of the business with WYG Group plc he was Managing Director of the WYG Engineering Ireland business for 3 years before joining GDA in 2010. He has a track record in the design and delivery of major strategic infrastructure projects throughout Ireland.

Michael is highly qualified in engineering and business and is a Chartered Engineer, a Chartered Director and a Chartered Water & Environment Manager. He holds a degree in Civil Engineering and a Masters in Business Administration. In 2014, he was conferred with a Honorary Doctorate by DIT in recognition of his contribution as an engineer, a public servant and as a servant to his community. He is a Fellow of four professional institutions.

Liam O'HalloranBoard Member

Liam O’Halloran has extensive senior management experience in multinational electronic and telecommunications companies. Liam previously held the position of Senior Vice President of DEX Europe, a US based company providing repair and logistics services to major electronics multinationals and Vice President of European Operations for Jabil Global Services, a global electronics services company. Liam was also Director of Customer Operations and Regulation at Magnet Networks and later served as Executive Chairman of ALTO, the Association of Alternative Telecommunications Operators. He is a Director of Alcomis, a company development consultancy with clients in Software, eLearning and Services sectors.

Shane BrennanBoard Member

Shane Brennan is an engineering graduate from the University of Ulster, holds a post graduate diploma in Environmental Engineering from Trinity College Dublin and is a member of Engineers Ireland. He has over 20 years of engineering experience and commenced employment with EirGrid in 2008 as a Project Manager in Grid Development. He is currently the Project Manager for the Northern Ireland element of the North South Interconnector project and has represented the company at many public engagements throughout Ireland and Northern Ireland.

Lynne CrowtherBoard Member

Lynne is a communications consultant, providing guidance and mentoring on social media strategy, implementation and training.  She has worked on local, national and international initiatives for companies including: Coca-Cola Europe, National Trust, RAIN (Replenish Africa Initiative) Deloitte, Translink, Belfast City Council, Antrim & Newtownabbey Council, Derry City Council and Red Cross. She is a Board member of the Consumer Council for Northern Ireland and writes an award winning blog.

John TrethowanBoard Member

John Trethowan is a native of County Down, and is married with one son. John is a career Banker, and is currently the Head of the Credit Review Office which provides an appeals mechanism for Small Businesses and Farms which have been refused bank credit in Ireland.  He has extensive Boardroom experience in Banking, Public Transportation and Public Healthcare.

Eileen MaherBoard Member

Eileen is an experienced strategic advisor having spent the past 30 years in the telecoms industry.  She has strong strategic, commercial, transformation, regulatory and legal experience. She has a track record for developing and executing key strategic initiatives and a history of negotiating commercial joint ventures, partnerships and acquisitions. She was the Director of Strategy and External Affairs in Vodafone. She is also a member of the Compliance Committee of the Broadcasting Authority of Ireland.

Dr. Theresa DonaldsonBoard Member

Dr. Theresa Donaldson is Chief Executive of Lisburn & Castlereagh City Council (from 1 June 2014). Prior to this appointment she was Chief Executive of Craigavon Borough Council (2010-2014). From 1985 to 2010 Theresa held a number of positions in health and social care and legal services including: Director of Policy and Civil Service Delivery in the Northern Ireland Legal Services Commission (2004 – 2010); Deputy Director of the Northern Ireland Guardian Ad Litem Agency (1996- 2004), and Children’s Services Manager with the NSPCC (1985- 1996). Theresa held a public appointment as Chair of a Health and Social Services Research Ethics Committee for 6 years (2004-2010) and a Judicial Appointment as Lay Member Charity Tribunal (2012-2014).

Tom FinnCompany Secretary

Tom Finn was appointed Company Secretary of EirGrid and its subsidiary companies in October 2016. He also holds the role of Head of Legal for the EirGrid Group. He is an experienced practicing lawyer with over 30 years post-qualification diverse legal and senior management experience within private practice, industry and the public sector. At various stages of his career, Tom has been a practicing Barrister, In-House Lawyer, Solicitor and Legal Manager. He holds a Diploma in Corporate Governance from the Law Society of Ireland.

Aidan SkellyInterim EirGrid Group Chief Executive Officer

Aidan Skelly was appointed interim EirGrid Group Chief Executive Officer in January 2018. He takes over from Fintan Slye who has been in the position since October 2012. Aidan Skelly previously was appointed Director of Finance & Legal in July 2015. Before that Aidan held the position of Chief Financial Officer since June 2005. He was formerly Finance Director with Waterford Stanley Limited. He worked with Waterford Crystal from 1987 to 2002, during which time he held a number of finance and commercial positions in Ireland and in the UK. He trained as a Chartered Accountant with PricewaterhouseCoopers and is a Commerce graduate of University College Dublin. He also holds an MBS from Dublin City University.

Siobhan ToaleDirector, Human Resource & Corporate Services

Siobhan Toale was appointed Executive Director Human Resources and Corporate Services in 2015 having previously held the role of HR Director. In this role Siobhan is responsible for Information Systems, HR and Organisation Development with a remit to manage change and improve processes across the organisation. Prior to joining EirGrid, Siobhan held leadership positions in Eir, Telefonica O2 and Bank of Ireland. Siobhan has a BSc in Computer Science from Trinity College Dublin and an MSc in Organisational Behaviour from Birkbeck College, University of London. She is a Chartered Fellow of the Institute of Personnel Development.

Rodney DoyleDirector, Market Operations & General Manager, SEMO

Rodney Doyle was appointed Director of Market Operations and General Manager, Single Electricity Market Operator (SEMO) in July 2015 having previously held the position of Director of Information Services since February 2013. Rodney also held a number of other positions in EirGrid including European Market Integration Manager; Manager of the East West Interconnector business readiness project, and Ancillary Services Manager. Rodney has across his roles led projects to deliver major systems and policies which are in use today across the electricity market and the TSO's. Before his time with EirGrid and ESB National Grid Rodney worked as the chief adviser in the networks division of the Competition Authority of New Zealand concentrating on electricity and gas regulation/market design issues and before that worked in consultancy. Rodney is a member of a number of key European TSO and market cooperation groups. Rodney has a BA (Economics), MA (Economics) and an MBA from UCD.

John FitzgeraldDirector, Grid Development & Interconnection

John Fitzgerald was appointed Director of Grid Development & Interconnection in July 2015, having previously held the position of Director of Grid Development since February 2013. Prior to this, John was Project Director of the East West Interconnector, directly connecting the electricity markets of Ireland and Britain for the first time.  Before joining EirGrid, John was involved in the area of business development for ESB International where he held a number of management positions including Business Development Manager, Manager for Trading and Supply (Northern Ireland) and Commercial Manager for Coolkeeragh ESB.  John has been involved in the successful development of major energy infrastructure projects and corporate initiatives in the electricity and gas sectors across Ireland, the United Kingdom and Europe. A graduate of University College Dublin, he is a Bachelor of Electronic Engineering and holds an MBA from the UCD School of Business.

Robin McCormickDirector, Operations, Planning & Innovation and General Manager, SONI Ltd.

Robin McCormick was appointed Director of Operations, Planning & Innovation in July 2015 and is also the General Manager of SONI Ltd. Robin previously held the role of General Manager of the Single Electricity Market Operator (SEMO) and SONI.

He has significant experience in the power industry in a regulated utility environment. In his role as Director, he is responsible for the operation and planning of the power system in Ireland and Northern Ireland, Robin is a fellow of the Institution of Engineering and Technology, Fellow of the Institution of Civil Engineers and Fellow of the Institute of Directors. He holds an MBA from the University of Ulster, Jordanstown, and an MSc from Napier University, Edinburgh.

Rosemary SteenDirector, External Affairs

Rosemary Steen was appointed Director of External Affairs in July 2015 having previously held the position of Director of Public Affairs since joining EirGrid in 2014. Rosemary also serves on the board of the AsIAm charity organisation. Rosemary has extensive Corporate Affairs, Government Relations and Corporate Social Responsibility experience from the Telecommunications, Utilities and Business Industry Body sectors. She has previously held senior positions in Vodafone, Shell and IBEC. Rosemary has a BA in Economics and Philosophy from Trinity College Dublin, an MBS in Logistics and Manufacturing from University College Dublin and a Postgraduate Diploma in Legal Studies from Dublin Institute of Technology.