Our team
Dave Kirwan
Dave Kirwan, Managing Director of Bord Gáis Energy, has led the company since 2011, overseeing its sale to Centrica plc in 2014. He has held a variety of senior roles across the Centrica Group. He returned to Bord Gáis as MD in 2020, to lead the company's transition to a fully-integrated, green energy company.
He is now Managing Director of Centrica Power, in addition to his Bord Gáis Energy role, and is responsible for power investment across Centrica's global markets.
Dave holds a BE in Electronics from UCD, is a Fellow of the Institute of Engineers of Ireland, he holds an MBA and a doctorate in business economics (DBA) from UCC. He is a member of the Ibec Executive Committee and Focus Ireland's Philanthropy Council.

Kerry McConnell
Kerry McConnell is Chief Financial Officer of Bord Gáis Energy. Kerry joined in 2023, bringing her significant experience spanning both industry and financial services, in-depth knowledge of capital markets and a keen interest in formulating and implementing strategy and driving financial performance.
Kerry is a Fellow of Chartered Accountants Ireland and graduated with a Bachelor of Business Studies degree in Finance from Trinity College Dublin and qualified as a Chartered Accountant with PricewaterhouseCoopers.
In addition to Kerry’s professional achievements at organisations including Bank of Ireland, RSA Ireland and most recently, global packaging company IPL Global, Kerry is a regular 30% Club mentor, a keen hiker and RYA Yachtmaster.

John Dalton
John Dalton is Director of Trading at Bord Gáis Energy. John has worked with Centrica since 2012 in various roles within the Finance and Energy Markets & Trading functions.
He transferred to Bord Gáis Energy in 2014 and joined the Executive Team in 2017 where he most recently served as CFO. As CFO, John played a leading role in guiding the business to define and deliver on its strategy to date. This experience, coupled with his commercial knowledge, enabled John to transition to Director of Trading in March 2023 with the mandate to grow the gas and power trading business in Ireland as Bord Gáis Energy transitions to net zero.
John is a Chartered Accountant (FCA), has a Masters in Financial Services (MBS) and is a member of the Association of Corporate Treasurers (AMCT).

Steve Martin
Steve Martin is Director of Technology with Bord Gáis Energy. He leads the development and execution of the company’s technology strategy.
Steve has been with Bord Gáis Energy since 2015 and previously held the role of Interim Director of Operations. Prior to this, Steve was Head of Strategic Programmes and Business Change. He has over 20 years’ experience in IT and management consultancy sectors, having held roles in KPMG Ireland and Deloitte.
Steve holds a B.Sc. in Software Engineering from the University of Glasgow.

Teresa Purtill
Teresa Purtill is Director of Services and Solutions at Bord Gáis Energy. She is responsible for the growth of the Services & Solutions business, driving the revenue and commercial strategies for the organisation as well as sales and customer service operations, billing, credit and contact centre management.
Prior to joining Bord Gáis Energy, Teresa was Global VP for Customer Care for the Hertz Corporation leading an organisation of over 2,000 people across 15 sites globally. Teresa’s background is in driving change programs and transformation in operating models, revenue generation and process efficiency through lean six sigma.
Teresa holds an MA in European Integration from the University of Limerick and is the Bord Gáis Energy Ambassador for Neurodiversity.

Denis O’Sullivan
Denis O’Sullivan is Director of Assets at Bord Gáis Energy and has responsibility for Centrica Power Projects team.
Denis joined Centrica in 2023, from Ervia where he held a number of senior management roles including Networks Managing Director and Chief Operating Officer. Prior to Gas Networks Ireland, Denis worked for 15 years in the Wind Energy and Waste to Energy sectors, including leading the delivery of Bord Gáis Energy’s windfarm portfolio prior to its sale to Brookfield in 2014. He has extensive experience in energy policy and regulation at national and EU level.
Denis holds a degree in Mechanical Engineering from MTU.

Martina Williamson
Martina Williamson is People Director at Bord Gáis Energy.
Martina joined in 2023, bringing extensive experience to our HR function, having recently served as the Head of HR for Citibank Europe Plc. In her previous role at Citi, Martina was responsible for leading the HR Team across Europe, driving and executing HR Strategy, Governance and Transformation initiatives to deliver business results.
Martina holds a Master’s in International HR Management from Cranfield University, is a member of the Chartered Institute of Personnel and Development and is currently studying the Chartered Director program with the Institute of Directors (IoD).

Catherine Lonergan
Catherine Lonergan is Director of Customer and Commercial at Bord Gáis Energy, with responsibility for overseeing the Customer Experience, Marketing, Data and Commercial Business and Consumer teams and a member of our Executive Management Team (EMT).
Catherine joined in 2024 coming from Toovio, a SaaS provider, where she served as Chief Commercial Officer since 2021. Previously she ran her own Customer Management consultancy and prior to that held various senior leadership roles within the telecoms sector, notably Managing Director of Sales at eir, Head of Retention at Three, and Base Management and Retention Manager at Telefónica.
On the academic front, Catherine holds a BA in Business Studies and a Masters in Marketing from Dublin City University. She is on the Board of the Asthma Society of Ireland.

Claire Madden
Claire Madden is General Counsel at Bord Gáis Energy and a member of our Executive Management Team (EMT).
Claire joined in early 2024 from Gas Networks Ireland where she was Chief Legal Officer. She has extensive experience in energy, infrastructure, and renewables as well as expert knowledge in energy regulation and reform having advised utilities, funders and regulators on energy sector transactions.
