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.

Mark FoleyEirGrid Group Chief Executive

Mark Foley joined EirGrid as Group Chief Executive in June 2018, having held the role of Managing Director of Land Solutions in Coillte since January 2016. Previous to that, Mark was Managing Director of Coillte Enterprise where he led the development of new businesses in renewable energy, telecommunications, land development and land sales.

Before that, from November 2000 to August 2008, Mark was Director of Capital Programmes at Dublin Airport Authority. In this role he was responsible for master planning, permitting, planning and delivery of c. €1.5bn in airport infrastructure at Dublin, Shannon and Cork airports. Prior to that Mark held a number of senior executives roles with multinationals in the Speciality Chemicals and Electronics sectors. Mark has a Bachelor of Chemical Engineering Degree from University College Dublin, a Masters in Industrial Engineering from University College Dublin and has attended executive development courses in Penn State University and IMD.

Brendan Tuohy Chair of the Board

Brendan Tuohy joined as chair of the EirGrid Board in November 2019. He was previously Secretary General with the Department of Communications, Energy and Natural Resources. He holds a degree in civil engineering from University College Cork, and postgraduate qualifications in environmental engineering and management from Dublin University and Trinity College. He is a Chartered Engineer, Fellow of the Institution of Engineers of Ireland, and a Member of the Irish Academy of Engineering.

Brendan is also currently chairman of MAREI (the Science Foundation Centre for Climate, Energy and Marine). He is also Chairman of TILDA (Irish Longitudinal Study on Ageing), Chairman of the UN body Global eSchools and Communities Initiative, and Chairman of the Quality Council of the Kerry Education and Training Board.

 

Dr Theresa DonaldsonDeputy Chair of the Board

Dr. Theresa Donaldson achieved Chartered Director status with the Institute of Directors in 2018.  She was Chief Executive of Lisburn & Castlereagh City Council (June 2014-September 2018) and Chief Executive Craigavon Borough Council (2010-2014). Prior to this Theresa held several senior management positions in health and social care and legal services in NI including as Director of Policy and Civil Service Delivery in the Northern Ireland Legal Services Commission. 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 CoughlanBoard Member

Tom Coughlan has extensive senior management and leadership experience having retired as Chief Executive of Clare County Council following a career in local government. He has wide experience of the public sector having served as chairman of various committees and boards at national and local levels.

Tom is the Chairperson of the Health and Safety Authority and non-executive Director of Failte Ireland. He is a lay member of the Complaints and Client Relations Committee of the Law Society of Ireland, an Associate Tutor with the Institute of Public Administration, and a member of the Institute of Directors of Ireland.

Michael HandBoard Member

Michael Hand was appointed to the EirGrid Board in July 2015 for a period of five years.  Michael has over 30 years experience as a senior leader in the Consulting Engineering and Construction sectors in Ireland. He has acted as Director and Managing Director of private and public companies. He has also acted as CEO and Director of Grangegorman Development Agency. He has a track record in the design and delivery of major strategic infrastructure projects throughout Ireland. He has also worked with distinction as a volunteer and Director in the voluntary community sector.

Michael is highly qualified in Engineering and Business. He holds a Degree in Civil Engineering from NUIG and a Masters in Business Administration from UCD. In 2014, he was conferred with an 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 and is a Chartered Engineer, a Chartered Director and a Chartered Water & Environment Manager.

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 Senior 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 an experienced social media consultant who has developed and implemented award winning online content for many blue chip organisations.

She has worked on local, national and international initiatives for a wide range of companies and provides guidance, training, mentoring, activation and evaluation. Lynne also lectures at the University of Ulster on the PGCert/Dip/Masters Digital Media Communication in the areas of digital strategy and content strategy.

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. He 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 is also a Commissioner of the Central Bank of Ireland, where he is a member of its Audit Committee. John Chairs the EirGrid Board Audit Committee, and is a member of the Risk Committee. He has extensive Boardroom experience in Banking, Public Transportation, Public Healthcare and in the Voluntary Sector.

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 Board of Nama and the Compliance Committee of the Broadcasting Authority of Ireland.

 

Martin CorriganCompany Secretary

Martin Corrigan was appointed Company Secretary of EirGrid in June 2020. Martin joined EirGrid in 2017 and previously held the role of Director of Strategic Initiatives. Prior to joining EirGrid, Martin held senior executive positions in One51 plc from 2006 to 2017 and before that senior finance roles in a number of Irish and overseas companies. He is a graduate of Dublin City University and a Fellow of Chartered Accountants Ireland.

Mark Foley EirGrid Group Chief Executive

Mark Foley joined EirGrid as Group Chief Executive in June 2018, having held the role of Managing Director of Land Solutions in Coillte since January 2016. Previous to that, Mark was Managing Director of Coillte Enterprise where he led the development of new businesses in renewable energy, telecommunications, land development and land sales.

Before that, from November 2000 to August 2008, Mark was Director of Capital Programmes at Dublin Airport Authority. In this role he was responsible for master planning, permitting, planning and delivery of c. €1.5bn in airport infrastructure at Dublin, Shannon and Cork airports. Prior to that Mark held a number of senior executives roles with multinationals in the Speciality Chemicals and Electronics sectors. Mark has a Bachelor of Chemical Engineering Degree from University College Dublin, a Masters in Industrial Engineering from University College Dublin and has attended executive development courses in Penn State University and IMD.

Aidan Skelly Chief Financial Officer

Aidan Skelly is the Chief Financial Officer of EirGrid Group. He has held this position since June 2005. He was also Interim Chief Executive of EirGrid Group between January 2018 and June 2018. Aidan was formerly Finance Director with Waterford Stanley Limited. He also 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 in Corporate Leadership from Dublin City University.

Siobhan ToaleChief People and Information Officer

Siobhan Toale is the Chief People and Information Officer at EirGrid. Siobhan previously held the role of Human Resources Director within EirGrid. In her current 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 holds a BSc in Computer Science from Trinity College Dublin and a Masters in Organisational Behaviour from the University of London. She is a Chartered Fellow of the Institute of Personnel Development.

Rodney DoyleChief Operations Officer

Rodney Doyle is the Chief Operations Officer at EirGrid and General Manager of the Single Electricity Market Operator (SEMO). He previously held the position of Director of Information Services. 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. 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. 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.

Michael MahonChief Infrastructure Officer

Michael Mahon joined EirGrid Group in August 2019. In his role he is responsible for planning and consents for grid infrastructure across the island, including public consultation processes and landowner engagement. He previously held the position of General Manager, ESB Smart Energy Services. Michael has 20 years’ experience with ESB, with significant leadership experience in major project delivery. He is also a Chartered Engineer with Post Graduate Diplomas in both Project Management and Management.

Liam RyanChief Innovation and Planning Officer

Liam Ryan is the Chief Innovation and Planning Officer of EirGrid Group. Prior to this Liam was Interim Director of Grid Development & Interconnection. Liam also held a number of other positions in EirGrid including Head of the Integrated Single Electricity Market transition, Head of Transmission Engineering & Maintenance, Head of Market Operations, Head of Power System Operational Planning and Head of Programme Management Office. Before joining EirGrid, Liam held a number of senior roles in Hewlett Packard manufacturing and innovation departments and before that worked in consultancy. A graduate of Trinity College Dublin, he has a PhD and Bachelor of Mechanical Engineering  and holds a Masters in Mathematics.

Martin CorriganChief Strategy Officer

Martin Corrigan was appointed Chief Strategy Officer of EirGrid Group in June 2020. Martin joined EirGrid in 2017 and previously held the role of Director - Strategic Initiatives. Prior to joining EirGrid, Martin held senior executive positions in One51 plc from 2006 to 2017 and before that senior finance roles in a number of Irish and overseas companies. He is a graduate of Dublin City University and a Fellow of Chartered Accountants Ireland.

Jo Aston Managing Director, SONI Ltd

Jo Aston joined EirGrid Group as Managing Director of SONI Ltd in May 2019. Jo joined from the Utility Regulator, where she most recently served as Director of Wholesale Energy Regulation for more than five years. In this role, she was responsible for the regulation of the Single Electricity Market (SEM) on the island, in partnership with the electricity regulator in the Republic of Ireland. Previous to this, Jo led a fundamental redesign of the Single Electricity Market, involving the introduction of new arrangements to increase both competition and downward pressure on prices. Prior to her work in the regulation of electricity, Jo was director of water regulation for seven years. She is a graduate of Queens University, Belfast, is a chartered civil engineer and has worked in the private and public sectors.