Affinity Water appoints Mark Garth as CEO

(by Karma Loveday)

Affinity Water has appointed Mark Garth as its new chief executive, succeeding Keith Haslett.

Garth has worked for United Utilities for eight years, most recently as director of environment and formerly as operations director for wastewater services. Before that, he spent time in various roles at Severn Trent and at SP Energy Networks.

A start date is yet to be confirmed, but will be in the first half of 2026.

Haslett is leaving to take up post as chief executive at Pennon Group, succeeding Susan Davy.