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Dr Brad Leech

About Brad

Dr Brad Leech is a PhD-qualified Clinical Nutritionist specialising in chronic autoimmune conditions and complex gastrointestinal disorders. He provides complete and personalised care to his patients using functional nutrition, integrative medicine and holistic wellness.

After entering the profession in 2008, Brad has taught and developed subjects at leading universities and conducted research on intestinal permeability, autoimmune disease management and food-based probiotics. Brad is the Lead Clinical Educator at Co-Biome, where his expertise in gastrointestinal healthcare enables him to translate the latest science on the gut microbiome into practical clinical applications.

Alongside research and working with patients through his clinical practice (, Brad offers practitioner support through his mentoring program, Brad’s Brainiacs.


Doctor of Philosophy (PhD) (Public Health) ー University of Technology Sydney
Bachelor of Health Science (Nutritional and Dietetic Medicine) (Honours class 1) ー Endeavour College of Natural Health
Bachelor of Health Science (Nutritional Medicine) ー Endeavour College of Natural Health

Courses taught by Brad

"I wanted to understand the science behind healthy eating so that I could explain it well to my clients. This course was the best online one I’ve ever done."

- Mitch Kemmis

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