Rio Tinto legal executive Debra Valentine has stepped down from her role, after having previously notified the company of her intention to retire in May 2017.The mining firm has been caught up in a scandal which saw senior executive Alan Davies suspended with immediate effect yesterday (9 November) after an investigation found a $10.5m payment was paid to a consultant related to an African iron ore project in Guinea. T

Source: Stepping down: Rio Tinto legal head to exit amid payments investigation |