Steven (Steve) Buck

Appointed April 2025.

Steve is an experienced board-level CFO. He has expertise in capital-intensive and regulated industries. This includes infrastructure, utilities, and customer services.

He skilfully handles complex rules, manages financial makeovers, and leads projects. For example, the launch of a UK green bond.

Prior to joining Thames Water, Steve was CFO at Pennon Group and Anglian Water. Before this, he was at Centrica for 11 years.

Steve has held several senior roles. These roles included Group Head of Finance and Transformation and Finance Director at British Gas. He has previously worked for Thames Water from 2002 to 2007.