Restoration over Restriction

Often described as a "medical Sherlock Holmes", Dr Lesslar is known for her investigative thinking and ability to solve intricate medical puzzles. Her distinctive diagnostic style, combining rigorous scientific method with intuition and pattern recognition, has made her a valued resource for clinics, research programs, and technology companies seeking to navigate complex, multifactorial health challenges.

In 2025 she completed a seven-city speaking tour across Australia and New Zealand, presenting her original framework The Nine Ancient Survival Threats, which explores the evolutionary roots of chronic disease and how ancient biological imperatives shape modern health outcomes.

In academia she is Adjunct Senior Lecturer at Griffith University’s National Centre for Neuroimmunology and Emerging Diseases and Faculty Lecturer at the Geneva College of Longevity Science, and has lectured at Oxford University (UK), Georgetown University (USA), Bond University (Australia), the National University of Singapore, the University of Southern California, and the University of California Berkeley.

He has published extensively in these areas, including 20 textbook chapters. Dr Hawrelak is on the Medical Nutrition Council of the American Society for Nutrition, is a Fellow of the American College of Nutrition and a Life Member of the Naturopaths and Herbalists Association of Australia. Dr Hawrelak maintains a busy online clinical practice as lead clinician in the Hawrelak Gut and Microbiome Clinic.

Dr Hawrelak has taught health professionals at both the undergraduate and postgraduate level for over 20 years. He coordinated the Evidence-Based Complementary Medicine postgraduate program at the University of Tasmania’s School of Medicine for 10 years and taught Natural Approaches to Gastroenterology within the University of Western States (Portland, Oregon) Master of Science in Human Nutrition and Functional Medicine program for over 12 years.

Currently, Dr Hawrelak is Chief Research Officer at ProbioticAdvisor.com, which offers a searchable database that enables easy, evidence-based prescribing of probiotic products and is Lead Educator at the Microbiome Restoration Center, which offers online courses for clinicians to learn more about the vital importance of gastrointestinal health and the human microbiome and how they can positively influence these ecosystems to optimise health outcomes.

Christine joined Microba in 2018 working with the Microba coaching service before working with healthcare practitioners across Australia to better understand Microba’s testing range. As Global Clinical Support Lead, Christine now leads the Australia and UK clinical support team to apply Microba results with confidence.

She works with people to understand how biological, psychological, and social factors can influence gut functioning and draws on evidence-based approaches, including gut-directed cognitive behavioural therapy, to support people in developing a more flexible relationship with their symptoms, improving daily functioning, and building quality of life.

She values collaborative, interdisciplinary, and individualised support for people living with these complex and often overlooked conditions.

With a background in naturopathy, Karlie brings an expanded clinical lens to understanding why clients can remain stuck, even when they have the right information, treatment plan and motivation.

Through her work with clients and her practitioner training programs, Karlie helps health professionals develop the skills and confidence to recognise and work with the underlying patterns, beliefs and responses that may be influencing their clients' health, behaviours and capacity for change.