David McMahon is a Perth-based finance executive whose main activity is in managing the financial affairs of the billionaire Bennett family.
He is executive director and principal of Mountain Ash, which manages the family’s iron ore and resource related interests. He is also a non-executive director of Wright Prospecting, which earns multi-million dollar annual iron ore royalties. In addition, he is a non-executive director of Angela Bennett’s family company AMB Holdings, which owns 50 per cent of Wright Prospecting.