Griffiths is 44 years old, but has been finance director of Stagecoach for a decade and is effectively the right-hand man to Brian Souter, founder of the Perth-based rail and bus group.
Stagecoach finance director Martin Griffiths has taken a non-executive position on the board of Irn-Bru producer AG Barr as drinks industry veteran James Espey steps down.
Griffiths is 44 years old, but has been finance director of Stagecoach for a decade and is effectively the right-hand man to Brian Souter, founder of the Perth-based rail and bus group.