Meet Our Dietitians

Meet Sue Radd, Nutritionist, Author & Speaker

Sue Radd is an Advanced Accredited Practising Dietitian (a credential awarded to less than 2 % of dietitians in Australia) and one of Australia’s leading nutritionists and health communicators. She is frequently sought out for comment by the media and has conducted hundreds of print, radio and TV interviews during her career.

Sue is Director of the Nutrition and Wellbeing Clinic in Castle Hill, and has consulted widely to the food and pharmaceutical industries in product development, communications and nutrition policy in Australia, New Zealand, Canada and the UK. She is currently a PhD candidate at The University of Sydney, researching the effects of the Mediterranean diet on thinking and memory to reduce the risk of dementia. As such, her availability to provide one-on-one nutritional advice at the Nutrition and Wellbeing Clinic is limited to Thursdays.

Recognised by her peers as an expert on plant foods and phytonutrients, Sue co-authored the internationally published Eat to Live, which has been translated to the Korean and French languages. She was awarded Winner of ‘Best Nutrition Writing’ at the Vittoria Australian Food Media Awards for The Breakfast Book, a wake-up guide to the most important meal of the day. Her most recent work is Food as Medicine: Eating for Your Best Health, which received the Gourmand World Cookbook Award for ‘Best Health and Nutrition Book’ in both the Australian and World categories.

Sue is a well-known face at major nutrition conferences globally. Her ability to translate heavy science into anyone’s language and life makes her a popular speaker with multiple audiences. Her practical knowledge of food and cooking for today’s busy lifestyle is widely enjoyed. In 2010, Sue was awarded the Dietitians Association of Australia President’s Award for Innovation for her Culinary Medicine Cookshops.

Sue belongs to many professional organizations such as the Nutrition Society of Australia, Dietitians Association of Australia, Academy of Nutrition and Dietetics in the US and the Australian Institute of Food Science & Technology. Within her action packed agenda Sue enjoys travelling, taking scenic walks and cooking for her friends and family.



Meet Courtney Thornton  – Lifestyle Dietitian

Courtney Thornton

Courtney Thornton enjoys helping clients to achieve their health goals through individually tailored nutrition counselling.  She graduated with a Bachelor of Nutrition and Dietetics from the University of Newcastle and takes pride in continuing professional development so that you can get the latest evidence based dietary advice.

Courtney has a vested interest in her patients – she is keen on providing ongoing education, motivation and support to optimise your success with healthy eating.  Her dietetic experience and interest in practical menu planning can help you lose or gain weight more easily and better manage a whole range of conditions including diabetes, IBS, heart disease (including high cholesterol and high blood pressure), PCOS and eating disorders.  She can also guide you through an investigative approach if you suspect a food allergy or chemical intolerances.

As an Accredited Practising Dietitian (APD), Courtney believes in good wholesome nutrition and her passion is evidenced in the way she helps her clients to achieve and maintain healthier lifestyles.



Meet Fiona Kupresanin  – Lifestyle Dietitian

Fiona Kurpesanin

Fiona is an Accredited Practising Dietitian who graduated from Deakin University with a Master of Dietetics degree in 2012.  Since that time she has gained valuable experience as a private practice dietitian in Sydney.  She enjoys helping clients improve their relationship with both food and exercise, and loves seeing the results on their health and wellbeing. 

Fiona specialises in nutrition to assist with weight management, diabetes, high blood pressure, high cholesterol, irritable bowel syndrome, food allergies and intolerances, arthritis and inflammatory joint disease.

As a keen marathon runner, she also has a particular interest in the effect of nutrition on physical performance. Fiona completed a Certificate III in Fitness and a Sports Nutrition Course at the Australian Institute of Sport and enjoys sharing her knowledge and passion in this area.

Fiona can help answer your questions by also drawing on her extensive and successful medical research career attained in prominent Australian institutions and hospitals.  You can find her published research papers in numerous scientific journals.  

Fiona is currently working on consultancy projects.



Meet Tammie Jakstas  – Lifestyle Dietitian

Tammie Jakstas

Tammie brings to her dietetics practice an enthusiastic and well-rounded lifestyle medicine approach that is patient centered. She is passionate about providing ongoing support and education to her patients, building their confidence with delicious and healthy new foods and ingredients. Her significant love of cooking and involvement in the Home Economics Institute of Australia for more than 14 years, also demonstrates the importance of cookery skills to facilitate good dietary choices.

Tammie has worked within the fields of Education and Health for many years. As an Accredited Practising Dietitian she still taps into this experience and uses creative methods to motivate everyone to establish and maintain their healthy behaviours.

A local of the Hills area, Tammie began her career as a secondary teacher in Food Science and Home Economics, among other subjects. Her passion for nutrition, however, has been lifelong. This led her to pursue further study and also complete a Masters of Nutrition and Dietetics from The University of Sydney in 2016.

Most recently, Tammie has been involved in a public health program administered from Westmead hospital. This program focuses on adolescents as agents of change within their families and communities, building awareness of the importance of healthy eating and physical activity for long-term health benefits.