Our Team

René Janse van Rensburg

The Founder
B. Dietetics (UP), PG DIP Diab (Uni South Wales)

As the owner and founder of Midwell Dietitians, Rene qualified at the University of Pretoria with a Bachelor of Science degree in Dietetics. She has more than 12 years’ experience in private practice, seeing both in hospital and out patients.

Her compassion especially with small children diagnosed with diabetes, led her to complete her Post Graduate Diploma in Diabetes Mellitus, through the University of South Wales. She became a diabetic educator for various insulin manufacturing companies.
Her commitment to science-based care is evident as she is a member of the Health Professions Council of South Africa (HPCSA) and Diabetes Educator Society of South Africa (DESSA) and served on the ADSA (Association for Dietetics in South Africa) Highveld committee.

Her love for sports has led her to become a CrossFit affiliate owner. She is a certified yoga and spinning instructor and after her first Iron Man 70.3, she became Sport Nutrition certified and since, enjoys working with athletes all over the world.

As a mother of 3 wonderful boys, this sparked her interest in becoming a certified hypnobirthing and perinatal educator. Her online and in-person classes aim to empower expecting women to make informed choices. She has a holistic approach to life in order to create balance and live life to the fullest.

Annatjie du Plessis

B. Dietetics (NWU)

Annatjie du Plessis is a Registered Dietitian that attained her Bachelors of Dietetics Degree at the University of Potchefstroom.
She worked as a private practicing dietitian in various settings, where she became an expert on weight loss and healthy lifestyle change.

In 2023 she started working at Midwell Dietitians, where she promotes a healthy lifestyle through individualized nutritional programmes to suit every patient’s unique needs. She went on to specialise in the nutritional management of Diabetes and Renal patients, completing various international courses. Her caring nature equips her to successfully guide patients to lifestyle changes for chronic diseases of lifestyle.

Annatjie further went on to complete a course in Sports Nutrition and believe that good nutrition combined with a healthy lifestyle is the key to success. She has a relaxed and grounded nature and in her free time, she likes to spend time with her husband and dogs doing hiking trails and spending time in nature.

Leandi Calitz

B. Dietetics (NWU)

Leandi Calitz is a seasoned dietitian with a Bachelor’s Degree in Dietetics from North West University (Potchefstroom) and over 15 years of experience in critical care nutrition. Her expertise lies in applying advanced nutritional support (enteral or parenteral) to critically ill patients and ensuring they receive the best care possible.

She is passionate about using her knowledge to help patients achieve optimal health through personalized nutrition for specific health conditions, or to enhance their overall well-being, or simply seeking guidance on healthier eating habits.

Outside of her professional life, she is a devoted mother to two wonderful children, whom she treasures spending time with.  Engaging in outdoor adventures, exploring new hobbies, or simply enjoying cozy family moments at home is what she loves.