Fortescue Metals Group became aware of an anonymous letter that made allegations concerning Mr Forrest s behaviour including an alleged secret relationship with an employee.
No campaigner Jennetta Quinn-Bates described Mr Forrest as a rich dawg after he released a statement on Wednesday night confirming he d split from his wife of 31 years.
The woman known to her family as the undercover billionaire is coming out of the shadow of her mining magnate husband and explaining who will benefit when she gives away their $27billion fortune.