Yorkshire Water chief announces plan to leave after lowest environmental rating
Nicola Shaw leaves in January after the company was rated one star out of four; Nicola Medalova takes over
Yorkshire Water's chief executive, Nicola Shaw, has announced she will step down on 1 January, a day after the Environment Agency gave the company its lowest possible environmental rating. She will be replaced by Nicola Medalova, a chartered environmental health officer who previously worked for National Grid.