Sainsbury's chairman sanctioned for using staff to work on country home

City grandee David Tyler paid £5,000 to charity after being sanctioned by supermarket for breaching code of conduct Sainsbury’s chairman David Tyler was sanctioned by the supermarket’s board after using the company’s staff and suppliers to help revamp his country bolthole.The board sent Tyler, a City grandee who has led Sainsbury’s since late 2009, a warning letter after an internal investigation concluded there had been “material breaches” of three comp