Meet the Group Executive Committee

Martin became Chief Executive of SSE on 17 July 2025.

He joined SSE in 1998 as an energy trader and undertook a series of commercial roles in the Company, becoming Managing Director, Energy Portfolio Management, and a member of SSE's then Management Board in 2012. In 2014, he was appointed Managing Director, Wholesale, and a member of SSE's Group Executive Committee, taking on responsibility for SSE's electricity generation portfolio and associated capital investment programme. During this time, Martin has overseen the development of SSE's diverse and flexible generation portfolio, including its growing renewable fleet. In 2017, he was appointed to the Board as Wholesale Director, where he also has responsibility for the supply of energy and related services to industrial and commercial customers and SSE's businesses in Ireland. Martin brings significant knowledge of energy markets and experience of commercial, technical and operational matters to the Board, and his innovative approach to strategy, in seeking opportunities to create future value, is also important to his role. Prior to 1998 Martin worked for Eastern Power and Energy Trading, and Total Gas Marketing.

As Chief Executive, he leads the Executive Committee and the rest of the SSE team in the day-to-day running and operations of SSE and is responsible for implementing the strategy and policy set by the Board.

Barry joined SSE in 2008 and became Chief Financial Officer on the Board in December 2023. Prior to becoming Chief Financial Officer, Barry was Finance Director for SSE Renewables as well as having responsibility for corporate finance across the whole of the SSE Group. In his previous role of Director of Treasury and Corporate Finance he oversaw group funding and treasury operations. He is a chartered accountant who trained with PWC in Dublin before joining Airtricity in 2005.

Chris has been MD, SSEN Distribution since 2020, bringing operational and commercial experience from senior transport roles at Arriva, Go-Ahead and Railtrack. He has sector expertise across utilities and infrastructure having served on Ofwat's Board and chairing the Rail Delivery Group. He is non-Executive Chair of Rail Safety and Standards Board.

Finlay has been MD, SSE Thermal since 2024 following several senior leadership roles in SSE, including MD, Energy Markets, and directorships across Onshore Renewables and Business Energy. Finlay first joined SSE in 2010 as a commercial director in SSE’s Offshore Renewables team.

Rob has been MD, SSEN Transmission since 2019, and possesses deep knowledge of the energy sector and regulation. Previously, as MD, Corporate and Business Services, he led the functions of legal, regulation, compliance, safety, and large capital projects services. He first joined SSE in 1997.

Stephen has been MD, SSE Renewables since 2022, having previously led SSE Thermal and SSE Ireland. Before joining SSE in 2008, he helped grow Airtricity’s renewables platform and spent over a decade with ABB and Siemens in international energy roles.

Nikki has been MD of Energy Customer Solutions since joining SSE in 2019. She brings over 25 years of retail and energy experience from senior roles at Centrica, Telefonica and Drax and serving as a NED with Pendragon Plc, and has led large scale transformation in retail-led organisations across sectors.

Rhian has been Chief Sustainability Officer since joining SSE in 2025. She brings significant sustainability experience from prior roles at National Grid, where she led international climate, environmental, strategic public policy, and inclusion initiatives. As a Director at the CBI, she helped shape national infrastructure and low-carbon policy.

Sam has been MD, Corporate Affairs, Regulation and Strategy since 2020 in which he leads corporate strategy, regulation, communications and external advocacy. Upon joining SSE in 2011, he brought expertise from senior roles at Ofgem, Edelman and in Government, shaping policy engagement and strategic positioning.

John has been Director of HR since 2009, drawing on senior experience across the UK and US energy and water sectors. He oversees talent, development, employee engagement, and inclusion and diversity, aligned to SSE’s culture and strategic priorities.

Thomas Brostrøm joined SSE as MD, Business Development on 1 April 2026, bringing over 15 years of international leadership experience from renewables, project development, investment and portfolio management roles with ACWA Power, Shell and Ørsted. He leads SSE's projects in selected markets across all technologies through to final investment decision.

Liz has been Group General Counsel and Company Secretary since 2023. She is a barrister, and leads SSE’s company secretariat, legal, data protection and large capital project services, and serves on the GC100 Executive Committee. She first joined SSE in 2002.

Peter has been Secretary to the Group Executive Committee since 2023 and Deputy Company Secretary since 2013. He is a Fellow of the Chartered Governance Institute and oversees SSE’s corporate governance and reporting, entity management, and share registration and share plans. He first joined SSE in 2005.