Emma Johnston, the Vice-Chancellor of the University of Melbourne, has passed away at the age of 52. Known for her groundbreaking work as a marine ecologist, Johnston was a visionary leader in science and research, a passionate environmental advocate, and a beloved mentor. Her untimely death on December 26, 2025, leaves a profound impact on the scientific community and beyond.
Born in 1973 and raised in Melbourne, Emma Johnston’s career was marked by a swift rise to prominence. Her passion for science, problem-solving, and teamwork was evident from her early years. As the dux of University High School in Melbourne, where a house now bears her name, she launched an environment group and a recycling program, showcasing her early commitment to environmental causes.
A Trailblazer in Marine Ecology
After earning a PhD in marine ecology from the University of Melbourne, Johnston began her academic career as an associate lecturer at the University of New South Wales (UNSW) in 2001. There, she established a thriving research group focused on the impacts of pollution and climate change on marine and coastal ecosystems. In 2005, she founded the Sydney Harbour Research Program to study and remediate the city’s natural assets.
Johnston’s work emphasized the complexity, interdependence, and resilience of ecosystems, themes that would guide her career as a research leader and advocate for science. Her belief in teamwork over personal accolades was reflected in her supervision of 33 PhD students, as well as numerous honours students and postdoctoral researchers.
“What has driven me in my life is a deep love of the science, a love of working with people and helping them to flourish and achieve, and a desire to work with others to protect this world I was immersed in as a scientist.” — Emma Johnston
Recognition and Leadership
Emma Johnston’s contributions to science and communication earned her numerous accolades, including the NSW Premier’s Award for Biological Sciences, the Australian Academy of Science’s inaugural Nancy Millis Medal for Women in Science, and the Eureka Prize for Promoting Understanding of Science Research. In 2018, she was appointed an Officer of the Order of Australia for her services to higher education and scientific research.
Her leadership extended beyond academia. As president of Science & Technology Australia, she helped establish the Superstars of STEM program, raising the profile of women and non-binary scientists. She became the first president of the organization to address the National Press Club, advocating for science as a solution to global challenges.
A Legacy of Hope and Resilience
Johnston’s leadership roles included serving as a member of the board of CSIRO and as a governor of the Ian Potter Foundation. Her impact on Australian research was broad, with her resilience strategy for the University of Melbourne marking the first step in a ten-year plan to build a resilient Australia.
As director of the board of the Great Barrier Reef Marine Park Authority, she led the 2021 State of the Environment report, emphasizing the ocean’s limited capacity to absorb heat before reaching catastrophic collapse. Her commitment to saving the planet was unwavering, even as she faced personal health challenges.
Emma Johnston’s final months were characterized by a renewed focus on her mission. Despite her battle with cancer, she continued to inspire and mentor the next generation of scientists. Her legacy is one of hope, resilience, and an enduring commitment to the betterment of humanity and the planet.
Survived by her husband Sam and their two children, Emma Johnston’s light may have dimmed too soon, but her impact will continue to inspire future generations. Her life was a testament to the power of science and the potential for positive change.
