Steve Johnson

Independent Non-Executive Chairman

Appointed as Independent Non-Executive Chairman in July 2018. Steve has over 35 years’ experience in the energy and utility sectors and was CEO of Electricity North West for eight years. Steve’s dedication to the industry was recognised in June 2016 through the award of an MBE for services to energy networks. Prior to this, he was Managing Director of Morrison Utility Services, which followed 17 years at United Utilities. Steve has also held positions as Non-executive Director of South West Water and Chairman of Energy Networks Association from 2011 to 2014.

Peter Antolik

Non-Executive Director & Arjun Infrastructure Partners Representative

Peter was appointed as a Non-executive Director and Arjun Infrastructure Partners Representative on 25 October 2018. He is a Partner of Arjun Infrastructure Partners and his background covers regulated companies, transport regulation, and the management of infrastructure funds and investments. Peter joined Arjun Infrastructure Partners from the Office of Rail and Road, where he led the Highways Directorate. He was previously an Executive Director at JP Morgan Asset Management, and Strategy and Regulation Director at Thames Water.

Keith Harris

Non-executive Director and Arjun Infrastructure Partners Representative. Chair of the Audit & Risk Committee.

Appointed as an Independent Non-executive Director and Arjun Infrastructure Partners Representative on 20 October 2020. Keith is the owner of the advisory business Lorraine House and spent 20 years at Wessex Water, including a period of time at ENRON/AZURIX, where he was global Head of Regulation. At Wessex Water he held various senior executive and Board positions, including CFO and deputy CEO, and brings strong financial and regulatory experience to the Board.

External appointments: Independent Non-executive Director of Ervia, the parent company of Irish Water; Gas Networks Ireland and Aurora Telecom industry Partner with Arjun Infrastructure Partners; Associate with OXERA.

Misha Nahorny

Non-executive Director and Arjun Infrastructure Partners Representative.

Misha is a Managing Director at Arjun and is responsible for originating and executing investments across Europe. He brings over 20 years’ experience in the energy and infrastructure investment industry. Misha was previously leading the European infrastructure investment team at John Laing.

Misha’s sector experience spans all sectors of infrastructure, including energy, utilities, renewables, circular economy, transport, industrial parks as well as digital and social infrastructure.

Charley Maher

Group Chief Executive Officer

Charley Mayer was appointed Group Chief Executive on 18 September 2023 and was formally appointed as a director on 2 September 2023. Charley previously held senior leadership roles in financial services and utilities. Prior to joining, Charley worked for YTL UK, as Chief Commercial Officer of Wessex Water Group, and Managing Director at pelican Business Services and water2business. Earlier in her career she was with NatWest and the RBS Group.