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Our Practitioners

Our team of Registered Dietitian Nutritionists who use evidenced-based nutrition therapy offer a personalized nutrition support. 

Our  goal is to determine which nutrition path is best based on your diagnosis and symptoms.

We believe in providing quality care based on science because patients who are able to better control their risk factors are often able to live a longer and healthier life 


Eugenia Couchoud-Wilkinson MS, RDN, LD is a Board Certified Registered Dietitian and Nutritionist by American Dietetic Association, Licensed by the Georgia State Board and founder of NutritionECW, LLC - Medical Nutrition Therapy

She completed her Bachelor at Universidad Nacional de Buenos Aires, School of Medicine (UBA-Argentina) and graduate/Master Degrees from Universidad Nacional de Cordoba, School of Medical Sciences (UNC-Arg.) and a Post-degree in Enteral and Parenteral Nutrition Support from School of Post-Degree, Biochemistry & Pharmacy, UBA-Arg. and Bowling Green State University, Ohio.

Coming from a medical family she started working in the field of medical nutrition since she was very young. She began her career in clinical nutrition at the Hospital de Ninos Ricardo Gutierrez's  - nutrition support for the Oncology/Hematology Service - Argentina.

Then she served for more than 15 years as a full-time staff and in management positions for inpatients in Acute & Intensive Care Units at Clinica Bazterica, Hospital Britanico de Buenos Aires, Centro Medico Dr. Deragopyan and was a Nutrition Consultant for many other Programs and Companies.

When she moved to United States, she had to validate her education, complete College, graduate and Master courses and a year internship in order to obtain the National Registration Exam (RD). Her rotations were at WellStar Health System, Children's Healthcare of Atlanta at Egleston (oncology patients), Depart. Senior Services, and Gwinnett County Board of Health/WIC Clinic in Georgia.

Areas of Expertise

Cardiovascular issues (cholesterol- triglycerides, high blood pressure, Congestive heart failure, etc) - Kids & adults

Unintentional weigh lost and weight management issues

Gastrointestinal disorders: esophageal & gastric surgeries, Ulcerative Colitis, Crohns disease, etc

Celiac & gluten related conditions 

Gastroparesis and others GI motility issues 

Metabolic Disorders - Diabetes (Type 1, Type 2, LADA, gestational), prediabetes, PCOS and metabolic syndrome.

Liver Disorders and exocrine pancreas disorders like Exocrine pancreatic insufficiency (EPI) - kids & Adults. 

Nutrition support & Transplants (liver, lung, heart and kidney)

Nutrition Support for oncology patients - kids & adults

Languages - English and Spanish.


Areas of Expertise

Intuitive Eating - Adults, kids and teens and Maternal Nutrition.

Picky eaters, texture issues with foods

General health nutrition counseling - healthy eating, preventative nutrition, plant-based, vegan, vegetarian, etc.

Weight Management, weight loss

Chronic and Acute Kidney Diseases - Kidney transplant, All stages of renal disease, Nephrotic syndrome, Urolithiasis and other kidney issues, Polycystic kidney disease

Liver disease and kidney Transplant

Nutrition Support - Tube feeding

Languages - English


Sara Sawicki MS, RDN, LD, RYT 200 is a Board-Certified Registered Dietitian and Nutritionist by the Academy of Nutrition and Dietetics, licensed by the Georgia State Board.  She has a Bachelor’s degree in Dietetics from the University of Florida, Gainesville-FL, Cum Laude as well as a Master’s degree in Nutrition Sciences from the University of Alabama-Birmingham.

Ms. Sawicki worked at Emory University Hospital for nearly 5 years, providing nutritional support to patients in the surgical ICU and medical nutrition therapy to Kidney, Liver, and Pancreas Transplant patients, along with numerous other medical conditions.

Her passion for nutrition led her to volunteer on presentations in Nutrition and Organ Transplantation, conduct cooking demonstrations for Pre- and Post-Kidney Transplant Recipients, and she worked as the Clinical Director of Health Promotion of the Georgia Special Olympics (June 2018-August 2021) among other activities.


Seeking to understand the patient experience in a more comprehensive and holistic way, she traveled to Bali, Indonesia, to complete her training as a yoga teacher (Yoga Alliance). Her interests include traveling around the world, as well as experiencing different cultures and practices around healthy living to further increase her effectiveness as a RD.


In 2023, she decided to join our team at NutritionECW LLC to help clients achieve their individual goals and lead well-balanced, mindful lifestyles.


Shelby Utter, RDN, IFNCP is a Board-Certified Registered Dietitian and Nutritionist by the Academy of Nutrition and Dietetics, Integrative and Functional Nutrition Certified Practitioner, board-certified Diabetes Specialist, licensed in the States of Georgia & Florida.


A graduate of Georgia State University’s Didactic Program in Dietetics, Shelby further honed her skills in Medical Nutrition Therapy at Emory University Hospital. Her accolades, including the Pacesetter Award and the Ellen Jurgens Memorial Award, demonstrate her excellence and leadership in the field.


With a keen focus on Digestive Health, she aids clients in managing conditions from IBS and GERD to gastroparesis. Shelby's depth in Functional Medicine covers autoimmune disorders and hormone imbalances, while her expertise in Diabetes Management caters to a spectrum of diabetic conditions. Shelby guides women through challenges like PCOS, hormonal imbalances, and postpartum nutrition. Her passion for education also finds an outlet in her book, "Plant Based Kitchen," promoting sustainable, plant-based eating.


As a consultant, Shelby lends her knowledge to NutritionECW, focusing on holistic approaches to gastrointestinal disorders, women's health, and diabetes through the lens of functional nutrition.

Areas of expertise

Functional medicineHealthy eating for teens and adults. Intuitive eating. Plant-based nutrition

Weight management - Obesity, overweight, etc. 

Digestive Health: Food intolerances and sensitivities, IBS, SIBO, IBD, Crohn’s, Ulcerative Colitis, Leaky Gut, dysphagia, esophagitis, gastrectomy, gastroparesis, etc

Celiac Disease and Gluten intolerances

Women’s health: pregnancy and postpartum nutrition, menopause/ peri-menopause, fertility nutrition, endometriosis, hormone imbalances.

Diabetes management : Type 2 and gestational diabetes

Languages - English


Areas of Expertise 

Chronic Kidney Disease - Acute renal failure

End stage of renal disease, Nephrotic syndrome,

Urolithiasis and other kidney issues

Pre end stage of Renal Disease,

Kidney transplant, polycystic kidney disease.

Diabetes management (Type 1, Type 2, LADA, gestational) 

Weight management issues. Adults, teens & kids

General health nutrition counseling - healthy eating, preventative nutrition for all ages.

Languages - Spanish and English

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Liliana Pires LN, is a Renal Nutrition Specialist, a consultant at NutritionECW, LLC, an expert in diet and nutrition specifically for people with kidney disease, weight control problems, and type 2 diabetes.


She completed her Bachelor's Degree in Nutrition and Dietetic from the Universidad Nacional de Buenos Aires, School of Medicine. Argentina.

She holds post-graduate academic training in kidney disease and belongs to the Kidney and Nutrition Study Group of the Argentine Association of Nutritionists.


Mrs Pires has extensive experience as a clinical dietitian having worked in hospitals and dialysis facilities - Fresenius Medical Care and Pre-dialysis kidney disease clinics.

As a Consultant, she offers to our practice specialized, evidence-based dietary advice to patients with kidney disease, whether they are in the early stages of kidney disease, on dialysis, or living with a kidney transplant.

Melissa C

Areas of Expertise 


Languages - English, Spanish and German


Claudia Winter MS, RDN, LD, CDCES is a Board-Certified Registered Dietitian and Nutritionist by the Academy of Nutrition and Dietetics licensed by the Georgia State Board and a Certified Diabetes Care and Education Specialist. 

She has a Master’s degree in Health Sciences with focus in Nutrition from Georgia State University and completed over 1300 hours of rigorous training as a Dietetic Intern at some of Atlanta’s most recognized health organizations, such as Egleston Children’s Hospital, Grady Memorial Hospital, and Scottish Rite Children's Hospital. 


Her passion for nutrition and diabetes management was ignited by her personal experience as a mother of a child with Type 1 diabetes which then led to her academic pursuits to enable her to help others going through the same challenges her son and family had to overcome.


Mrs Winter is a certified trainer with various insulin pumps and continuous glucose monitoring systems. She can help with device data, no matter how basic or advanced, so you can make adjustments that will make a difference in your health.


Mrs. Winter currently works as a diabetes educator in a Hospital and as a consultant at NutritionECW, providing MNT for type 1 diabetes

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