Sarah Burkett RD, LDN, CLC

Posted January 2, 2026

Sarah is a registered dietitian whose compassionate and person-centered approach helps her clients find realistic strategies for nourishment that promote a positive relationship with food. Sarah enjoys bridging the gap between nutrition science and personal and practical habits, while encouraging her clients to embrace their preferred foods and cuisines.

Sarah earned her Bachelor of Science in Nutrition from Clemson University, followed by working as a health program specialist with the United States Peace Corps in Moldova. She completed her dietetic internship in Denver, Colorado and, prior to moving into private practice, provided nutrition counseling as part of integrated perinatal health programs in Denver-area hospital systems, working alongside mental health and medical providers to provide holistic care during and after pregnancy.

Sarah’s specialties include fertility, pregnancy, and postpartum, in addition to nutrition for mood and anxiety disorders, disordered eating, body image, ADHD, perimenopause and menopause, as well as PCOS, thyroid disorders, and endometriosis.

Sarah remains committed to inclusive and judgment-free care that empowers individuals to explore supportive nutrition goals. She practices from a weight-inclusive, Health at Every Size, and trauma-informed lens. She treats all individuals with respect and kindness and acknowledges the oppressive systems in place that can be detrimental to an individual’s relationship with food and nutrition, disproportionately impacting those with marginalized identities.

Sarah enjoys spending time with loved ones, reading, traveling, and skiing or hiking in the Rocky Mountains near Denver.

McKenzie DeRennaux MA, RD, LDN, CFNIP

Posted October 15, 2025

McKenzie is a licensed and registered dietitian, professionally certified in functional nutrition. She believes in practicing and promoting evidence-based nutrition approaches that draw connections to how food is medicine for the body, and how lifestyle factors can affect overall health. Beyond her passion for functional nutrition, McKenzie specializes in plant-based nutrition. She is a firm believer of “all foods fit,” and enjoys working with clients with a variety of food preferences, not limited to vegetarian/vegan diets. She offers a warm space for her patients to express their thoughts and feelings, and welcomes collaboration with the shared goal of optimizing the client’s health and wellbeing.

McKenzie graduated with her Master’s degree from Fontbonne University in St. Louis, Missouri. She has previously worked as a clinical inpatient dietitian in a hospital setting, with a focus on cardiovascular and GI health/surgery. During this time, she enjoyed supporting patients with a wide variety of concerns, including autoimmune conditions and oncology nutrition.

Outside of her time at work, McKenzie enjoys hiking, camping, kayaking, live music, and spending time with her partner and two cats!

At the center of McKenzie’s work, clients will always find compassion, empathy, and individualized care. She blends evidence-based practice and clinical wisdom to provide personalized interventions to meet each client’s unique needs. There is a world of difference to be made in the lives of others through the scope of a dietitian, and McKenzie hopes to help you reach your goals.

Amelia Discher RD, LDN

Posted March 5, 2025

Amelia is a dedicated registered dietitian with a passion for helping clients heal their relationship with food while navigating complex gastrointestinal (GI) concerns. Her mission is to empower clients to feel confident and comfortable in their bodies by using evidence-based nutrition strategies tailored to their unique needs and lifestyles.

She has completed advanced functional GI training, equipping her to support even the most complex GI cases, including IBS, IBD, SIBO, and food sensitivities. Rather than relying on restrictive diets, Amelia uses the most current research to help clients find lasting relief and confidence in managing their nutrition and GI symptoms.

Amelia provides specialized care for clients using GLP-1 medications for weight management, offering guidance on nutrition optimization and long-term sustainable health habits. In addition, she also works with clients navigating metabolic concerns such as PCOS and insulin resistance, supporting them in symptom management and overall well-being. She blends expertise with compassion to create a safe space where clients can build a healthier relationship with food, free from fear and judgment.

Amelia holds a degree in Nutrition and Dietetics from Dominican University. Outside of work, she enjoys lifting weights, spending time with her beloved dog, Wrigley, and fueling her love of coffee.

Amy Gionta MS, RD, LDN

Posted March 18, 2024

Amy is a registered dietitian with a life-long love of learning.  She is caring and curious, and is always looking for opportunities to learn more about food, nutrition and her clients, and the ways in which she can help her clients make changes to support improved health!  Amy believes that, at its core, food should be a fun and enjoyable part of life, and she strives to help her clients find balance, both in and out of the kitchen. She takes a root-cause approach to all health obstacles, and she takes pride in meeting her clients where they are, no matter their starting point.  Amy believes that, in order to foster sustainable change, it’s important to understand the “why” behind a suggested change in addition to understanding the change itself.  She encourages questions and approaches each client session as a collaboration, taking a conversational and easy-going approach while always maintaining an evidence-based foundation.

Amy has a long-standing passion for functional nutrition and regularly finds opportunities to increase her knowledge in this area, including through additional classes and trainings.  Her goal when working with clients is to look at the true causes of various disease states, and then offer suggestions, guidance and support to help her clients make lasting change.  Amy also has an interest in women’s health issues, including PCOS, endometriosis and fertility.

Amy received her B.S. in Marketing from Fordham University before pivoting to the world of food and nutrition. She earned her master’s degree in Clinical Nutrition and Dietetics from New York University, and completed her dietetic internship at James J. Peters VA Medical Center. During her clinical training, she gained hands-on experience working with a highly complex patient population, including counseling clients with diabetes, hypertension, kidney disease and unintended weight loss (often working with clients with more than one complex health condition occurring at the same time).

When not talking about food, Amy enjoys reading, baking, yoga, hiking, traveling, and scouting out ceramic mugs from various street markets.

Rachel Shelton RD, LDN

Posted June 3, 2024

Rachel is a registered and licensed dietitian with a passion for helping clients optimize their health outcomes while discovering the root-cause of their symptoms, intolerances, or hormonal imbalances. Rachel believes in the human body’s inherent wisdom, that when given the right tools, it can heal itself. She is well versed in functional nutrition and works hard to discover the root-cause of unexplainable health issues and symptoms.  Rachel believes that all clients should be heard and their concerns validated, and that there are myriad options to support hormonal health or seemingly mysterious symptoms.

Before joining Healthier Tomorrows, Rachel worked with oncology patients to help them thrive through their treatment, optimize their nutrition status, and prevent cancer recurrence. She has had success working with individuals with many different nutrition-related medical conditions, and has guided them through lowering their blood sugar, cholesterol, and blood pressure, as well as helping women with estrogen dominance, PCOS, and nutrition support during pregnancy and postpartum.

Rachel obtained her undergraduate degrees in Nutrition and Dietetics at Western Carolina University and completed her dietetic internship through Lenoir Rhyne University. She would be honored to walk alongside you in your journey to achieving optimal nutritional and physical health!

Jessica Smosna RD, LDN, CFNIP, CLT

Posted June 26, 2020

It’s not uncommon to feel lost and confused when it comes to food. In fact, it’s frequently the norm. Jess steers away from the diet-mentality and focuses on a food-as-medicine and a “good, better, best” approach to educate and motivate clients to thrive and grow.  Using her philosophy and approach, which are rooted in functional medicine, she has guided clients in healing and repairing their gut; supporting thyroid and immune health, reversing diabetes, elevated cholesterol, and high blood pressure; minimizing and managing pain and headaches; and supporting couples in preconception, pregnancy, and postpartum health.  She works with her clients to create a highly customized plan to support their specific health and wellness goals for optimal health.  In addition, with her emphasis on functional nutrition, she takes into consideration every aspect of each client’s health, diet, and overall lifestyle when providing nutrition recommendations.

Jess is also a Certified Functional Nutrition Informed Professional (CFNIP), Certified LEAP Therapist (CLT), and serves as the Functional Nutrition Director at Healthier Tomorrows.  Practicing functionally offers individualized food and lifestyle goals that address the root cause of illness and health struggles, rather than just addressing symptoms.  As Functional Nutrition Director, Jess advises and clinically supervises the dietitians at Healthier Tomorrows in looking at wellness from a functional perspective and addressing the whole body to support clients in optimizing their health.

Being food and chemical sensitivities are often at the root of the inflammatory processes within the body, Jess obtained her CLT certification.  With her CLT certification she uses Mediator Release Testing to measure an individual’s reaction to 176 foods and chemicals to establish the most effective anti-inflammatory diet plan for the individual’s specific needs.

Jess obtained her undergraduate degree in dietetics from Bradley University and completed her dietetic internship through the University of Houston.  She was part of the Healthier Tomorrows dietetic team from 2013 through 2015, and rejoined Healthier Tomorrows in 2020 to provide virtual nutrition education and support!  She has significant experience working with clients in outpatient settings, and she enjoys fostering relationships with clients and providing ongoing support.

Clients appreciate her non-judgmental, realistic, and upbeat approach!

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