Our response to coronavirus

Find out how we're working to keep the electricity and gas flowing reliably throughout the outbreak.

Mark Williamson

Non-executive Director and Senior Independent Director


Our Senior Independent Director acts as a sounding board for the Chairman and serves as an intermediary for the other Directors, as well as shareholders as required.

Appointed: 3 September 2012

Committee Membership: Audit (Chair), Nominations and Remuneration

Tenure: 6 years

Career: Mark is a qualified chartered accountant. He has a strong financial background and significant financial experience gained from roles as Chief Accountant and then Group Financial Controller of Simon Group plc, and Financial Controller and later Chief Financial Officer of International Power plc. Mark was also a Non-executive Director at Alent plc where he was Chairman of the Audit Committee and Senior Independent Director.

Skills and competencies: As a qualified chartered accountant, Mark brings considerable financial and general managerial experience to the Company. His previous roles cement his extensive financial experience and provide a deep understanding of the utilities sector. This allows him to bring a financial and strategic outlook on diverse subjects in support of the Board and its Committees. In his role as Senior Independent Director, Mark brings an excellent understanding of investor expectations, as well as his significant experience in managing relationships with investor and financial communities.

External appointments:

  • Chairman of Spectris plc