Global investor and economist Dambisa Moyo this week became the first woman ever to deliver the keynote speech at the mining industry's annual conference in Western Australia, a boost for the sector as it faces scrutiny over perceived sexism.
Yet while Moyo had top billing, she is one of only five women out of 71 speakers due to address this year's event in Kalgoorlie-Boulder, a fact that has not gone down well with some delegates.
