Dr Ingrid Bretherton is an endocrinologist and Head of the Austin Health Trans and Gender Diverse Clinic in Melbourne. She holds a PhD on the effects of gender-affirming hormones on bone and metabolic health and is a current researcher at the University of Melbourne.

Toni Slotnes-O'Brien is a Senior Lecturer and endorsed Nurse Practitioner at UniSA Clinical and Health Sciences. She completed her nursing degree at the University of South Australia in 1993, followed by a Master of Nurse Practitioner in 2012. Toni is currently leading a research project focused on service delivery within a Nurse Practitioner-led clinic. Toni leads a Nurse Practitioner clinic at UniSA City West Health, providing care for transgender and gender diverse people. This innovative clinic has received national recognition, including: • Finalist, 2023 Australian College of Nursing Trailblazer Award • Winner, 2024 PHN Equity Awards • Finalist, 2023 and 2025 SA Nursing and Midwifery Excellence Awards – Excellence in Practice (Registered Nurse) A passionate advocate for the Nurse Practitioner role, Toni served as the South Australian State Chapter Chair for the Australian College of Nurse Practitioners for five years. She is currently Co-Chair of the International Council of Nurses Advanced Practice Nurse/Nurse Practitioner Education Subgroup, a member of the ANMAC NP Accreditation Committee, and part of the Australian NP Academic Collaborative.