My mission is to empower health professionals to adopt weight neutral practice by providing support and training in how and why to do so.  In short, I want to destroy the perception and practice of 'dietitian as food police.'

Thrilled to have recently achieved the credential of Advanced Accredited Practising Dietitian, I value nourishment, autonomy, authenticity and evidence based practice. My foundation dietetic skillsets are in university lecturing, private practice, and clinical dietetics. My academic research areas are dietetic private practice benchmarking, inter-professional learning and HAES integration into dietetics. A love for research and presenting led me into founding Health Not Diets in 2013 in order to provide professional development training and workshops for HAES integration into clinical practice. I have close to a decade of academic work (unit coordination, lecturing, tutoring, marking, research assisting) under my belt and have been employed by Queensland University of Technology (QUT), Central Queensland University (CQU) and the University of the Sunshine Coast (USC) as well as guest lecturing at Griffith University. I have also reviewed submissions for peer-reviewed academic journals including Appetite and Fat Studies Journal and contributed to the review of the PEN Evidence Statement for Mindful Eating.

After graduating from dietetics, I initially spent three years as a clinical dietitian at The Wesley Hospital, Brisbane, working in a wide range of clinical areas in addition to coordinating and practising in The Wesley Hospital’s dietetic outpatient clinic, Dietitians Wesley.  I built a successful private practice, NutritionSense Allied Health, at Taringa in Brisbane beginning in 2008 and ultimately selling it in 2014 when my family relocated to Central Queensland.  Much of my private practice work was with chronic dieters with whom I frequently used the non-diet approach and am deeply indebted to for motivating me to find a better way to offer support than traditional weight focussed counselling.   

When you work at university you are continually hassled to take up a PhD.  After four years of lecturing I was finally ready to begin (!) and commenced research into the clinical application of weight neutral approaches to weight concern in dietetics and it's adoption into practice. I have loved the experience of PhD-ing although will be grateful for it to finally be wrapped up in late 2019.  My PhD research findings so far have cemented my resolve that weight neutral approaches should be part of every clinician’s skill set and my research continues to inform the professional development workshops and training I provide. My initial literature review for my PhD evolved into two Non-Diet Approach Guidebooks for health professionals (one for Dietitians and one for Psychologists and Counsellors) and in 2016 I developed the Non-Diet Approach Model, which operationalizes the Health at Every Size (R) principals for clinical practice. 

Together with my frequent co-facilitator Fiona Sutherland APD (The Mindful Dietitian), I was awarded the 2017 DAA Research Prize for our workshop at the Australia and New Zealand Academy of Eating Disorders (ANZAED) conference and in 2007 I was awarded the Queensland Meals on Wheels Nutrition Award. I served as an elected member of the Dietitians Association of Australia (DAA) Queensland Branch Executive from 2008-2010, and held the position of President for the Association for Non-Diet Approach Research Inc from 2013-2016.  In 2016 I was elected to the position of Vice President International for the Association for Size Diversity and Health 2016-2018 term and is the current Treasurer of HAES Australia Inc.  Fiona is also the current administrator for the Society for Australian Independent Dietitian-Nutritionists (AIDNSoc). 


Advanced Accredited Practising Dietitian (AdvAPD) 

Australian Independent Dietitian-Nutritionist (AIDN)

Professional Member of the Australian Institute of Training and Development (MAITD) 

B.A. (English and Communications) 

B. Health Sc (Nut & Diet) (Hons) 

PhD candidate (QUT) 


Twitter: @FionaWiller 

Facebook: Health Not Diets

Post: PO Box 661, Kenmore, Queensland, Australia 4069



At a Glance

Areas of Expertise

  • Weight-neutral lifestyle approaches including Health at Every Size (HAES) and the Non-Diet Approach

  • Interpreting weight science

  • Body Image

  • Better outcome measures for dietetics

  • Weight bias, stigma and discrimination in health care

  • Self-Compassion for health professionals

  • Communicating HAES messages to peers and beyond

See here for full list of speaking topics


  • Training and workshop facilitation

  • Project Coaching for dietitians

  • Workplace professional development

  • Academic and professional conference presentations

  • Community presentations

  • University lecturing (guest or contract)

  • Research co-ordination

Professional Background

  • Nutrition & dietetics university lecturing

  • Private practice dietetics

  • Textbook authorship

  • Hospital-based clinical dietetics

  • Employment-related education provider

  • Research - PhD, RA & coordination

  • Social media 


See here for full resume

Fiona has great enthusiasm for demolishing weight biased research and overusing food and eating metaphors in everyday life.

About Me

Email or contact me via this form

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