A/Prof Campbell Paul is a consultant infant and child psychiatrist at the Royal Children’s Hospital in Melbourne and an Honorary Principal Fellow at The University of Melbourne. With over 40 years of experience, he's made significant contributions to infant and transgender psychiatry both in Australia and internationally.

At the Royal Children’s Hospital, he established with colleagues the Infant Mental Health Program. He is the Immediate past President of the World Association for Infant Mental Health and served a four year term to which he was a member of the board of directors. He was a Life Governor of the Queen Elizabeth Centre for early parenting serving on the board of management since 1991. 

As principal infant psychiatrist at the Royal Children’s Hospital Melbourne, he is a leading practitioner and advocate for advancing infant mental health services and workforce development. In 1992, he and two colleagues created Australia’s first postgraduate training in infant mental health at the University of Melbourne, which is now a master's degree and is known as the Infant Mental Health Advanced Training, the leading program for clinicians in this field. A/Prof Paul, along with Garry Warne and Michelle Telfer, founded the Royal Children's Hospital Gender Service, a leader in gender-affirming care for children and adolescents. 

Professor Margaret Hamilton AO has an extensive background in social work and public health, providing her with a holistic perspective on mental health care. As founding director of the Turning Point Alcohol and Drug Centre for ten years, she established one of Victoria's most important resources for addressing substance use disorders. Through evidence-based treatment and research, she has transformed countless lives.

She served five years as chair of the Multiple and Complex Needs Panel, where she supported innovative methods for individuals facing mental illness, substance use, and social disadvantage. As a member of the Victorian Mental Health Tribunal, she upheld the rights and dignity of those with mental illness. Additionally, as President of Cancer Council Victoria, Board member of VicHealth, Patron of DANA, and Life Governor of the Australian Drug Foundation, she has continuously advocated for evidence-based health promotion and harm reduction strategies.

Professor Hamilton served for sixteen years as an executive member of the Australian National Council on Drugs, shaping national policies that benefited Victorians facing addiction and mental health challenges. Her extensive international experience includes over twenty years with the Commission on Narcotic Drugs and participation in the UN's Civil Society Task Force, introducing global best practices to Victorian services. She has contributed to military mental health as chair of the Inquiry into the Culture of Alcohol in the Australian Defence Force, addressing the needs of Victorian service members.