Dietician

Desi Carlos 255pxDesi Carlos

Desi has a Bachelor of Applied Science in Biochemistry and Microbiology and Graduate Diploma in Nutrition and Dietetics. Her passion is giving practical advice on incorporating healthy eating habits into everyday life. Desi is a mother of three, and businesswoman who understands the pressures that our busy, modern lives can put on our diets and eating habits. 

You can hear her regularly sharing her expertise on 97.3Fm as resident dietitian for Bianca, Terry & Bob; see her on Channel 7, 9 and 10 News as a nutrition expert; or read some of her many articles in a host of journals, magazines. You can also hear her lectures on a range of topics from The Mediterranean Diet, healthy-living and fighting obesity, to issues of diabetes, heart disease and irritable bowel syndrome & food intolerances. 

Desi’s message is simple; “eat well, feel good, look great!” With this philosophy and over 26 year’s industry experience, Desi has helped thousands of people rediscover themselves with increased confidence and self-esteem. 

Desi is a co-author of ‘Mediterranean Eating Cook.Eat.Live’. As a champion for the Mediterranean Diet you will see her frequently offering lectures and cooking demonstrations on the nutrition science that encompasses Cooking Mediterranean: Eating Well: Living Long.

Desi has also assisted The Queensland Coeliac Society for over 15 years, lending her experience as an expert dietitian and acting as media spokesperson in nutrition for the organisation. 

Desi’s mission is to share her passion for healthy living and take the Tree of Life Nutrition message to as many people as possible.

Dietician (2)

Lisa Petersen

Lisa Peterson is a leading Dietitian at Tree of Life Nutrition & the Principal Dietitian at Weight Management Psychology. She is an Accredited Practicing Dietitian with the Dietitians’ Association of Australia and holds a Bachelor of Health Science in Nutrition and Dietetics (honours).


Lisa’s aim is to help each client achieve their personal goals utilising her innovative analytical approach. She believes in assisting individuals to help understand the importance of establishing life-long healthy attitudes towards food.

Lisa has worked in a range of settings, including: One-on-one, couple, and family therapy settings, Workshop and public speaking settings.  Multidisciplinary groups (involving General Practitioners, Psychologists, Exercise Physiologists, Personal Trainers, and Diabetes Nurse Educators)

Lisa’s special interests include Eating disorders, Weight management, Gastrointestinal issues, Diabetes, Heart disease, Food allergies and Intolerances.

Lisa is a very enthusiastic dietitian who has experience in presenting seminars to groups of teachers, students and corporate teams in the past. She also runs regular cooking demonstrations and finds they are most useful for teaching practical skills at a group level.

Lisa has also worked very closely with a multinational food chains to complete menu analysis and menu development. Lisa believes that through implementing a holistic health approach your company will experience increased productivity, group cohesion and job satisfaction long term.

Lisa’s passion and drive for helping others improve their quality of life, in whatever that may be, has seen many success’ stories come from her patients.


Having a dietitian who understands how to identify relevant psycho-dietetic issues, listen and work collaboratively with you and the rest of your professional support team, and provide recommendations that are psychologically minded and sustainable for the long-term is key to having a successful experience with your dietitian.

Dietician (3)

Lisa Petersen

Lisa Peterson is a leading Dietitian at Tree of Life Nutrition & the Principal Dietitian at Weight Management Psychology. She is an Accredited Practicing Dietitian with the Dietitians’ Association of Australia and holds a Bachelor of Health Science in Nutrition and Dietetics (honours).


Lisa’s aim is to help each client achieve their personal goals utilising her innovative analytical approach. She believes in assisting individuals to help understand the importance of establishing life-long healthy attitudes towards food.

Lisa has worked in a range of settings, including: One-on-one, couple, and family therapy settings, Workshop and public speaking settings.  Multidisciplinary groups (involving General Practitioners, Psychologists, Exercise Physiologists, Personal Trainers, and Diabetes Nurse Educators)

Lisa’s special interests include Eating disorders, Weight management, Gastrointestinal issues, Diabetes, Heart disease, Food allergies and Intolerances.

Lisa is a very enthusiastic dietitian who has experience in presenting seminars to groups of teachers, students and corporate teams in the past. She also runs regular cooking demonstrations and finds they are most useful for teaching practical skills at a group level.

Lisa has also worked very closely with a multinational food chains to complete menu analysis and menu development. Lisa believes that through implementing a holistic health approach your company will experience increased productivity, group cohesion and job satisfaction long term.

Lisa’s passion and drive for helping others improve their quality of life, in whatever that may be, has seen many success’ stories come from her patients.


Having a dietitian who understands how to identify relevant psycho-dietetic issues, listen and work collaboratively with you and the rest of your professional support team, and provide recommendations that are psychologically minded and sustainable for the long-term is key to having a successful experience with your dietitian.

Would you like more information about our clinic?

Phone: 07 3832 7399

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