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We are dedicated to improving lives through individualized care.

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Sarah Duke, RDN, CLT

​Sarah is a Registered Dietitian Nutritionist, Certified L.E.A.P. Therapist and co-founder of Duke Nutrition Experts. She grew up in Decatur, Indiana and earned her degree from Ball State University. She has lived in Tucson, Arizona for the past 9 years and absolutely loves living in the desert!


Sarah has practiced as a dietitian for 18 years. She has worked in many areas of nutrition but her passion lies in helping people find relief from symptoms caused by chronic inflammatory conditions. She takes a functional approach to nutrition and uncovers the root cause of what is causing symptoms.

 

Sarah is married and has 2 young children that keep her busy. She enjoys anything outdoors, swimming, lifting weights and has earned her blue belt in Brazilian Jiu Jitsu!

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Rebecca Watson, MS, RDN, CLT

Rebecca was born and raised in Mesa, AZ. She attended the University of Arizona for her undergraduate degree and completed her master’s degree in Nutritional Sciences from the University of Saint Joseph Connecticut.
 
Rebecca is a Certified Fertility Dietitian and has a passion for working with those who want to optimize their fertility & reproductive health through nutrition. After overcoming her own fertility struggles, she and her husband welcomed their son to the world in October 2022.  
 
Rebecca also enjoys working with clients who have a variety of chronic inflammatory medical conditions such as fibromyalgia, RA, migraines, IBS/IBD, diabetes, obesity, and heart disease.
 
In her spare time, Rebecca enjoys spending time with her family & friends, watching movies, traveling, and attending the University of Arizona sporting events. Her favorite vacation spots include the beach and Disneyland. She is an animal lover and shares three funny cats, Walle, Eva & Russell, with her husband Matt and son Oliver.

 

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Kelly Beck, RDN, CLT

Kelly transplanted from Northern Virginia and completed her Bachelor's Degree in Nutritional Sciences at the University of Arizona during her undergraduate career. She completed her Dietetic Internship at Baylor University Medical Center in Dallas, Texas shortly after. She has since moved back to Tucson and calls it home.

 

Kelly works closely with individuals and families through chronic inflammatory conditions including irritable bowel diseases, fibromyalgia/chronic pain, cancer, heart disease, diabetes and kidney diseases. She has a deeply rooted passion for helping clients see their "whole self" using behavior change, body positivity, and looking at food as medicine.

 

Kelly spends most of her time outside when she can. She likes to hike, hammock with a good book, or kick back with friends at local eateries. She is also occupied with long walks with her dog, Lucy, and keeping up with Arizona sports with her husband, Elliot.

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Gillian (GG) Ruiz, RDN, CLT

Gillian (also known as GG) was born and raised in Tucson, Arizona and was destined to stay close to home. She became interested in nutrition in high school when she attended Salpointe Catholic and found ways to help improve her own personal issues with food and nutrition while playing softball. With a long family line of wildcats, GG knew she had to carry out the tradition and attend the University of Arizona to pursue her undergraduate degree in Nutritional Sciences. After college, GG moved to Dallas, TX to complete her dietetic internship at Baylor University Medical Center. After finally becoming a registered dietitian, GG decided to move back to wildcat country to give back to the Tucson community and her home. 

GG has experience working with a vast variety of patients with different conditions while working as a clinical dietitian. Some include those with diabetes, kidney disease/dialysis, telemetry, critically ill (adult and neonatal), GI surgeries/GI issues, wounds, behavioral issues, and other medical conditions. GG really enjoys creating a safe space for clients to talk openly about nutrition. She believes in mindfulness when it comes to nutrition and creating holistic, realistic, and personalized goals for her clients. With this, GG is passionate about all aspects of nutrition and is excited to bring these passions together towards her outpatient career. 

GG enjoys traveling, cooking and eating her way around Tucson, going to concerts, hiking around Sabino canyon and Mt Lemmon, and of course cheering on all UofA athletics (Bear Down).
 

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Brittany Robertson McKeown RDN, CSP, LDN, CLT

Brittany grew up in Arizona and lived in Tucson for 10 years while she attended the University of Arizona for her undergraduate degree and completed her dietetic internship at Banner University Medical Center. She is so happy to still be serving the Tucson community! 

 

Brittany's primary area of practice over the last 5 years has been in high risk pediatrics. She has extensive experience working with infants, children, and young adults with special needs and complex medical backgrounds; including those with genetic, neurological, cardiovascular, pulmonary, and gastrointestinal conditions, as well as those with a history of surgery, transplant, and prematurity. She loves helping with enteral nutrition support, weight management, growth and feeding concerns, food allergies, and digestive concerns.

 

In her spare time, Brittany enjoys reading, traveling, baking, and taking long walks with her dog, Sheriff. Brittany and her husband Kyle are currently exploring their new home in Tennessee and eating all the southern food they can get! 

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