John Mark Pettigrewis a British businessman, the CEO of National Grid plc.
Career
Pettigrew joined National Grid as a graduate in 1991. He joined the board in April 2014.
In November 2015, it was announced that Steve Holliday, the CEO for ten years, would leave in March 2016, and that Pettigrew, its UK executive director who joined National Grid 25 years ago, would succeed him.