“Qantas is certainly not the only company that has taken a strong stance.”
Over 1,300 organisations had signed up to marriage equality in Australia, he said.
“We have never directed others what to think about marriage equality or how to vote in the postal survey.
“We’ve only asked for respectful debate on the issue and that includes respect for those who disagree ... just as we do on economic matters I think it is the responsibility of large corporate to speak up on social issues when it aligns with our values.”
Qantas has faced some criticism over its use of the iconic brand to campaign on the same sex marriage issue, including from Immigration Minister Peter Dutton, who famously said that ASX-listed companies should “stick to their knitting”.
Last week, Qantas boss Alan Joyce hit out at “extremities” in the tone from “some elements” on both sides of the debate.
Mr Joyce has reportedly personally donated $1 million to the Yes campaign.