On Friday 23 October 2026, Her Excellency the Honourable Ms Sam Mostyn AC provided an interview to Channel 7 and met with Emma Devenney for the FightMND 2026 Grant Announcement at Neuroscience Research Australia, Sydney.

Then, the Governor-General, as guest of Ms Cathryn Cox PSM, Chief Executive Officer, Sydney Children’s Hospital Network, visited the Sydney Children's Hospital, Sydney.

In the afternoon, the Governor-General recorded video messages for Veteran Games and Rotary South Pacific at Admiralty House, Sydney.

Then, the Governor-General hosted a reception for the Women and Infants Research Foundation 50th Anniversary at Admiralty House, Sydney.