ESB Executive Team
There are 11 current members on the ESB Executive Team with responsibility for the day-to-day operations of the ESB Group.
Paddy Hayes was appointed Chief Executive in August 2021. Previous to this, he was Managing Director of ESB Networks and Executive Director, Generation and Wholesale Markets. A chartered engineer with a masters degree in engineering from University College Dublin and MBA from the University of Warwick.
Jerry O’Sullivan was appointed ESB Deputy Chief Executive in October 2014. Prior to this, he was Managing Director ESB Networks Ltd. Jerry was appointed Chairman of ESBN DAC in 2010. He joined ESB in 1981 and held a number of positions in Power Station Construction, Distribution and Transmission, Retail, Contracting, Marketing and Customer Service. He was appointed Head of Network Services in 2002 and Head of Sustainability and Network Systems in 2008. He holds a degree in Civil Engineering from University College Cork, is a fellow of Engineers Ireland and a member of the UCD Energy Institute Advisory board.
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. Jim was previously the General Manager of Electric Ireland. An accountant, he began his career in ESB in 1992 and has held a number of senior management positions throughout the Group including Acting Group Financial Controller and Financial Controller ESB Energy International.
Pat Fenlon was appointed Executive Director, Group Finance & Commercial in 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.
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 responsible for developing and leading the critical risk and crisis management processes for ESB Group. During her career in ESB, she has held a number of other senior management roles in project management, change management and procurement areas. 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 also a member of the Board of the Institute of International & European Affairs.
Paul Mulvaney was appointed Executive Director, Customer Delivery ESB Networks in May 2018. Prior to this he held the position of Executive Director, Innovation. Paul joined ESB in 1985 and has held a number of senior management positions in Power Generation and was Programme Manager Corporate Change. He was appointed Managing Director of ecars in 2009 and Head of Distribution and Customer Service, ESB Networks Ltd. in 2012. Paul holds a degree in Mechanical Engineering and completed the Advanced Management Programme at the IESE Business School in the University of Navarra. A Fellow of the Institute of Directors (UK), Paul was named Chartered Director of the Year 2020.
Pat Naughton was appointed Executive, Director People & Organisation Development in May 2018. Prior to this he held the role of Executive Director, Group People and Sustainability. A mechanical engineer by profession, Pat has worked in a variety of roles since joining the company in 1978. He previously held senior positions as HR Manager for ESB Energy International, Manager Strategy and Portfolio Development, ESB Energy International, and Manager of Hydro Stations, ESB Power Generation.
Marguerite Sayers was appointed Executive Director, Customer Solutions in May 2018. Prior to this she held the role of Managing Director ESB Networks Ltd. She has worked in various technical and managerial positions in ESB since 1991, including Generation Manager and Head of Asset Management for ESB Networks. She has a degree in Electrical Engineering from University College Cork (UCC), a diploma in Accounting and Finance from University of Limerick and a diploma in Project Management from UCC. A Chartered Engineer and a Fellow and Past President of Engineers Ireland.
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.
Nicholas Tarrant was appointed Executive Director, Engineering and Major Projects in June 2018. Prior to this he held the position of Managing Director, Northern Ireland Electricity Networks. Nicholas joined ESB in 1993 where he held a number of senior management positions including Generation Manager with responsibility for ESB’s 4,800MW generation portfolio and lead manager on ESB’s €200m Novus Modus Clean Tech Fund. He is a chartered engineer at the Institute of Engineers of Ireland and holds an MSc (Management) from Trinity College, Dublin.