Fintan Slye is the Chief Executive Officer of National Energy System Operator (NESO). NESO is an independent organisation responsible for planning Great Britain’s entire energy system, operating the electricity network and offering expert advice to the sector’s decision makers. The organisation brings electricity and gas network planning under one roof, plotting the country’s course for clean power and paving the way for lower energy bills.

Prior to this, Fintan led Great Britain’s Electricity System Operator (ESO) as its Executive Director. He was CEO of the EirGrid Group, the electricity transmission system operator and market operator in Ireland and Northern Ireland. He also worked for McKinsey & Co supporting clients across Ireland, the UK and Europe, as well as holding various management roles in ESB in Ireland and the United States. 

Fintan is a Non-Executive Director at AEMO Services Limited, which is based in Sydney. AEMO is responsible for planning the level of investment in generation and storage over time in New South Wales, including designing and running the competitive tenders to deliver this.

He is a graduate of University College Dublin, from where he holds an Engineering Degree, a Masters in Engineering Science and an MBA, and is a Fellow of the Institute of Engineers Ireland. He also has a keen interest in law, holding diplomas in Legal Studies and European Law.

Fintan has a deep knowledge of the energy industry and is passionate about decarbonisation. He is proud that NESO is on track to operate the GB power system, for periods of time, at zero carbon by 2025.