Dr Joanna McMillan
Nutrition Scientist, Accredited Practising Dietitian, Health & Wellbeing Expert, Author & Speaker
A nutrition scientist, dietitian, author, and media personality who translates complex science into practical guidance for better health, wellbeing, and sustainable living.
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Dr Joanna McMillan is one of Australia’s most trusted and sought-after health and wellbeing experts, specialising in translating complex nutrition science into practical, everyday guidance for better physical, mental, and planetary health.
A PhD-qualified Nutrition Scientist, Accredited Practising Dietitian, Fellow of the Australasian Society of Lifestyle Medicine, and Graduate of The Australian Institute of Company Directors, Jo also holds a Certificate in Sustainable Food: Production to Processing from the University of Cambridge. With a career spanning over three decades, she has earned recognition as a leading voice in nutrition, lifestyle medicine, and sustainable food systems.
Jo is a regular presence across television, radio, print, and online platforms. She currently appears as the ‘good chef’ on Channel 10’s Good Chef Bad Chef, hosts The Truth About Fasting, Beating Diabetes, and Gut Revolution on ABC’s Catalyst, and has contributed nutrition segments on the Nine Network’s Today Show for nearly 20 years. Her media work also includes radio, podcasts, and her long-running print column My Day on a Plate in Sunday Life.
An accomplished author, Jo has published eight books and four Audible Originals, and her TEDx talk has captivated over a million viewers worldwide. She regularly speaks at corporate, industry, and public events in Australia and internationally, delivering evidence-based insights with clarity, energy, and practical takeaways.
Jo is available for keynotes, brand and campaign partnerships, content creation, and media engagements.
Video
Topics
The Future of Food
Eating for a Healthier Planet and a Healthier You
What will we eat in the future, and how can our choices support our health and the planet? Dr. Joanna McMillan explores sustainable, plant-rich diets that integrate innovation and tradition. From ancient grains and seaweed to fungi and insect proteins, discover how science is solving global nutrition challenges. This keynote offers a hopeful; inspiring vision of how our food systems can evolve to help us thrive while protecting the Earth for future generations.
Thriving in Midlife and Beyond
The Science of Longevity and Vitality
Midlife is your launchpad for living your best years. Dr. Joanna McMillan shares cutting-edge insights on aging well, offering practical advice on diet, exercise, and lifestyle. Explore the science of gut health, metabolism, and brain resilience to stay sharp, energised, and confident. This inspiring keynote will leave you ready to embrace midlife with vitality and purpose.
Fibre
The Super Nutrient Redefining Health
Could fibre be the secret to lifelong health? Dr. Joanna McMillan uncovers its powerful role in gut, brain, and body wellness. Backed by microbiome science, she reveals how dietary fibre lowers inflammation, boosts mental well-being, and prevents disease. Learn how the right mix of fibres can transform your energy, mood, and long-term health in this groundbreaking talk.
The AI Revolution in Nutrition
Personalised Wellness Is Coming
Imagine a diet tailored to your DNA, lifestyle, and microbiome. Dr. Joanna McMillan explores how AI is transforming nutrition with personalised solutions. Learn how wearable devices and genetic testing combine with AI to optimise gut health, blood sugar, and more. This keynote inspires audiences to embrace the future of wellness while navigating challenges like data privacy and accessibility.
