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ESB Executive Team

There are 10 members on the ESB Executive Team with responsibility for the day-to-day operations of the ESB Group.

Paddy Hayes Chief Executive

Paddy Hayes was appointed Chief Executive in August 2021. Prior to this, he headed up two of ESB’s main operating divisions as Executive Director of ESB’s Generation & Wholesale Markets business and then as Managing Director of ESB Networks. A Chartered Engineer, he holds a master’s degree in engineering from University College Dublin and an MBA from the University of Warwick. Paddy worked with British Steel in the UK before moving to the energy sector in 1999, to lead the Synergen joint venture between ESB and Statoil.

Marguerite Sayers Marguerite Sayers Deputy Chief Executive

Marguerite Sayers was appointed ESB Deputy Chief Executive in July 2022. Immediately prior to this, she held the role of Executive Director, Customer Solutions since 2018. She has worked in various technical and managerial positions in ESB for over 30 years, including Generation Manager, Head of Asset Management for ESB Networks and Managing Director of ESB Networks DAC. She has a degree in Electrical Engineering from University College Cork (UCC).  She is a Chartered Engineer, a Fellow and Past President of Engineers Ireland, a Fellow of the Academy of Engineers, a member of the Board of Energy UK and a Governor of the Irish Times Trust.

Jim Dollard Jim Dollard Executive Director Generation & Trading

Jim Dollard was appointed to the position of Executive Director, Generation & Trading in May 2018. Prior to this he held the position of Executive Director for Business Service Centre (BSC) and Electric Ireland for five years. An accountant, he began his career in ESB in 1992 and has held a number of senior management positions throughout the Group in both financial and managerial roles. He holds a B. Comm and a Masters in Business studies from UCD.  

Pat Fenlon Pat Fenlon Executive Director, Customer Solutions

Pat Fenlon was appointed Executive Director, Customer Solutions in September 2022. Prior to this he held the role of Executive Director, Group Finance & Commercial since July 2016. He previously held a number of senior financial and general management positions across ESB including General Manager of Electric Ireland, Corporate Change Manager and Group Finance & Commercial Manager. He is a fellow of Chartered Accountants Ireland and worked with PwC in Dublin before joining ESB in 1993.

 

Geraldine Heavey Geraldine Heavey Executive Director Enterprise Services

Geraldine Heavey was appointed to the position of Executive Director, Enterprise Services in June 2018. Prior to this she held the role of Group Finance and Commercial Manager. Has worked in various finance and managerial positions in ESB since 1993, including Finance Controller, Business Service Centre (BSC) and Electric Ireland, Manager, ESB Trading and Financial Controller, ESB Power Generation. She is an accountant and holds a masters degree in Business Administration (MBA) from Dublin City University. An external member of DCU’s Commercial Board and chairs its Audit Committee.

Sinead Kilkelly Executive Director People & Organisation

Sinéad Kilkelly joined ESB in April 2022 as Executive Director, People and Organisational Development.  Prior to this Sinead was Chief People Officer with Bus Éireann, a position she held since 2018. Previously she held a number of senior leadership roles in Ireland and overseas including Vice President People Services at Etihad Aviation Group in Abu Dhabi, where her responsibility included leading major organisational change programmes.  She also held senior HR roles in Ulster Bank and Intel Ireland. Sinead has a B.Sc (Management) and an MBA from Trinity College Dublin and is a Chartered Fellow with CIPD.

Marie Sinnott Marie Sinnott Group Company Secretary of ESB

Marie Sinnott is Group Company Secretary of ESB. Prior to her appointment in 2019, Marie was ESB’s Group Head of Compliance and Enterprise Risk Management and previously held a number of senior management roles across the organisation.  A UCD commerce graduate, she holds an MSc in Economic Policy Studies from TCD and a Postgraduate Diploma in Corporate Governance from UCD Smurfit School.  Marie is a member of the DCU Governing Authority and a Director and Company Secretary of the board of the Institute of International & European Affairs.

Paul Smith Executive Director Engineering and Major Projects

Paul Smith was appointed to the position of Executive Director, Engineering and Major Projects in January 2022.  Prior to this Paul held a number of senior management roles in the company including Manager of Generation Operations and, more recently, Head of Asset Development where he led the expansion of ESB’s renewables portfolio in Ireland and the UK. He joined ESB in 1992 and holds a B.Eng. in Electrical and Electronics Engineering from Queen’s University Belfast and an MBA from UCD Michael Smurfit Graduate Business School.  He is a Council Member of the Irish Management Institute.

Paul Stapleton Executive Director, Group Finance and Commercial
Paul Stapleton was appointed to the position of Executive Director, Group Finance & Commercial in October 2022. Prior to that, he was Managing Director of Northern Ireland Electricity Networks, an independent subsidiary of ESB. He joined ESB in 1991 and has worked in various roles in finance and managerial positions across the Group including General Manager of Electric Ireland, ESB Group Treasurer and Financial Controller of ESB Networks. He is a member of the Chartered Institute of Management Accountants and an IOD Chartered Director. 
Nicholas Tarrant Nicholas Tarrant Managing Director ESB Networks

Nicholas Tarrant was appointed Managing Director, ESB Networks in September 2021. Prior to this he held the positions of Executive Director, Engineering and Major Projects & Managing Director, Northern Ireland Electricity Networks. He has held a number of senior management positions including Generation Manager with responsibility for ESB’s generation portfolio. He is a chartered engineer at the Institute of Engineers of Ireland, a Chartered Director and holds an MSc (management) from Trinity College Dublin