"Nutrition is the Cornerstone to good health."
"Responsive, quality Patient care is our priority"
"Professional, evidence based, dietary training"
Meet Sarah Barnes: MS, RD/LD, CDCES
Sarah is a Licensed Dietitian in Oklahoma, a Certified Diabetes Care and Education Specialist (CDCES), and co-founder of Cornerstone Nutrition & Diabetes. She also holds a certification in Adult Weight Management.
She earned both her Bachelor of Science and Master of Science in Dietetics and Food Management from the University of Central Oklahoma.
After being diagnosed with celiac disease during her dietetic internship, Sarah developed a strong passion for gastrointestinal nutrition and is dedicated to supporting individuals with digestive health concerns through evidence-based, personalized care.
Committed to giving back to her alma mater, Sarah serves as an adjunct professor at the University of Central Oklahoma, where she mentors and educates future nutrition professionals.
Outside of her professional work, Sarah enjoys spending time with her family, fitness, traveling, and being outdoors.
Meet Christie Bruehl: RD/LD, CDCES
Christie Bruehl is a State of Oklahoma Licensed Dietitian, Certified Diabetes Educator, and founding partner of Cornerstone Nutrition & Diabetes. Christie is an honors graduate with a Bachelors degree from The University of Oklahoma's School of Nutritional Sciences in Dietetics. Christie has been a licensed dietitian for more than 22 years with a focus on diabetes for the last 12 years working as a Certified Diabetes Care and Education Specialist. Christie is also a Lifestyle Coach Master Trainer Select for the National Diabetes Prevention Program. She is also a member of the Association of Diabetes Care & Education Specialists ADCES. Christie enjoys spending time with family, travel, fitness training, kayaking, and cheese cake!
Meet Kate Hayes: MS, RD/LD
Kate is a Licensed Dietitian and Registered Dietitian Nutritionist. She graduated from the University of Central Oklahoma with a Bachelors and Masters of Science in Nutrition and Food Science. Her passion for Nutrition began at a young age as a competitive athlete that set the foundation for her understanding on how to properly fuel the body. Her career thus far has allowed her the opportunity to expand her nutritional knowledge. She has spent the last several years working with patients with a variety of disease states in outpatient, acute, critical and long-term care settings. Through her experiences Kate understands the need to provide individualized nutrition care. Her biggest fulfillment comes from helping her clients achieve long-term health through nutrition education, guidance and empowerment. Outside of the office, when she isn’t enjoying a workout out or experimenting in the kitchen with a new recipe, Kate can be found spending time with her baby boy, two dogs and loving husband.
Meet Susan Pacific: RD/LD, CDCES
Susan Pacific graduated from the University of Oklahoma with a degree in nutritional sciences. She is a registered dietitian and certified diabetes educator. She is a certified pump trainer for Insulet Corporation, Medtronic, and Tandem and trains individuals on Continuous Glucose Monitors for Dexcom and Abbott.
Outside of the office, Susan enjoys traveling, playing pickleball, reading, cooking and spending time outdoors.
Meet Jenna Canady RD/LD
Jenna earned her Bachelor of Science in Nutritional Sciences from Oklahoma State University and completed her 1,400-hour dietetic internship at the University of Oklahoma Health Sciences Center. She has over five years of experience in the field of dietetics, with a background that includes eating disorder treatment, outpatient medical nutrition therapy, and inpatient clinical nutrition support.
Jenna is passionate about helping individuals develop a healthy relationship with both food and their bodies. Whether that means building confidence in the kitchen and at the grocery store or learning to practice intuitive eating by recognizing hunger and fullness cues, she strives to provide compassionate, individualized care that meets each person where they are.
Outside of work, Jenna enjoys experimenting with new recipes, painting and crafting, and spending time at home with her cats and dogs
Meet Sallie Kight MA, RDN/LDN
Sallie is a Registered and Licensed Dietitian based in Norman, Oklahoma, and a graduate of the University of Oklahoma, where she earned her bachelor’s degree in Nutritional Sciences and her master’s degree in Dietetics. She is passionate about helping individuals build realistic, sustainable habits that fit into everyday life.
Sallie’s approach centers on consistency over perfection, with an emphasis on balanced meals, simple behavior changes, and practical nutrition education clients can confidently use beyond the session. Outside of work, she enjoys traveling, walking her dog, decorating cakes, and spending time with her family.
Need Cornerstone to help you with any of the following?
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Weight Management
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Diabetes, pre-diabetes
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GI Nutrition: IBS, low FODMAP diets, hypoglycemia, and celiac disease etc.
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Autoimmune conditions
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High cholesterol, high blood pressure
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Vegetarian and plant-based nutrition
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Pediatric nutrition
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Nutrition and Education Counseling
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And more...
Recipes & Tips
Cornerstone Nutrition & Diabetes tries lots of different recipes and tips to make meals healthier. We are excited to share these with you. See our Blog Page!