Meet Our Team
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Click Booking Now Next To Your Dietitian Of Choice To Get Started
There is no ‘one-size-fits-all’ diet pattern. Let’s collaborate on a personalized plan that is made just for you!
Areas of Expertise:
Weight Loss and Weight Management
Diabetes – Type 1, Type 2, Gestational, Pre-diabetes
Utilizing Diabetes Technology
Body Composition Assessments
Medical Nutrition Therapy
Chronic Kidney Disease
Heart Disease and Cancer
Monica Schwindt
Registered Dietitian Nutritionist
Certified Diabetes Care and
Education Specialist
Monica holds a Bachelor of Science degree in Neuroscience and a Master’s degree in Clinical Nutrition. During her career, Monica has compiled a broad range of experience providing medical nutrition therapy in acute care settings, outpatient, telehealth, and private practice. Monica provides nutrition education to patients with chronic conditions or those simply seeking to promote their health and wellness.
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Monica’s biggest passion lies in offering diabetes self-management education and support. This led Monica to become a Certified Diabetes Care and Education Specialist in 2020. Monica stays abreast of new technologies that are offered for diabetes care, including continuous glucose monitors and insulin delivery systems. She loves working with patients who are interested in reviewing their blood sugar logs and are motivated to improve the way they manage their diabetes through individualized lifestyle changes. Monica is excited to help you start seeing tangible results with improvements in blood sugar and A1c!
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Monica’s favorite pastimes: spending time with her son, exercising, trying new recipes, caring for houseplants, reading, and soaking in the sun with walks outside.
What we eat and how our bodies process are the ingredients to a life of peak performance and health.
Areas of Expertise:
Weight Loss and Weight Management
Busy moms meal planning and kid lunches
Women's Health, Hormonal
Menopause / Perimenopause
Calorie and Macro planning
Chronic Disease Management
Youth Sports
Pediatrics and Adolescents
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Jamie is most passionate about educating people about nutrition and teaching them how they can still lead a balanced life while enjoying everything they love about food. Her experience includes working with clients as a registered dietitian and personal trainer in developing individualized nutrition and exercise programs.
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While residing in the Midwest she earned her Bachelor of Science in Food Science and Human Nutrition and Master’s Degree of Science in Nutrition and Wellness. She now resides in the DFW area with her husband and three kids. Outside of work and taking care of kids, she enjoys decluttering and organizing, working out, cooking and baking delicious food for her family and friends and indulging in her favorite cookie.
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Dietitian Who CrossFits
Areas of Expertise:
CrossFit and Sports Performance Nutrition
Nutrition for Professional, Collegiate, Youth Athletes
Women’s Health & Hormonal Support
Nutrition for Professional Athletes
Body Composition Assessment & Management
Leron Sarig
Sports Performance Dietitian Specializing in Nutrition for
CrossFit Athletes​
Leron Sarig is an experienced CrossFitter and top-tier expert in sports nutrition, specializing in helping athletes enhance their performance, especially in CrossFit. With a Master’s in Sports Nutrition and a Bachelor’s in Dietetics from Florida State University, Leron brings a powerful combination of academic excellence and real-world experience to our practice.
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Leron’s impressive career includes leading high-performance nutrition programs for the San Francisco Giants and the Arizona Coyotes, working with athletes at all levels—from youth and collegiate to Olympic and professional. She is a recognized speaker in the field, presenting at events such as the National Strength and Conditioning Association AZ State Clinic and the Collegiate & Professional Sports Dietitians Association Annual Conferences.
Dietitian Who CrossFits
Areas of Expertise:
CrossFit and Sports Performance Nutrition
Weight Loss and Weight Management
Nutrition for Injury Prevention and Recovery
Pre/Post-Workout Fueling and Hydration
Health Assessments for Athletes
Jennifer Holmes,
Registered Dietitian Nutritionist
and Registered Nurse
Specializing in Nutrition for CrossFitters
Jennifer Holmes is a Registered Dietitian Nutritionist (RDN) and licensed ICU nurse with over 10 years of experience in Nutrition, bringing a unique blend of clinical and sports nutrition expertise. Specializing in fueling CrossFit athletes, Jennifer helps you implement sustainable nutrition strategies to optimize performance, recovery, and injury prevention.
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Jennifer's dual background as a critical care nurse and dietitian provides her with exceptional insight into how nutrition impacts both acute and chronic health conditions. This expertise allows her to deliver holistic, personalized counseling to RX Nutrition and Fitness clients, not only enhancing athletic performance but also addressing overall wellness, recovery, and long-term health.
Dietitian Who CrossFits
Areas of Expertise:
CrossFit and Sports Performance Nutrition
Body Composition Optimization
Sleep Optimization for Athletes
Cognitive Behavior Therapy for Insomnia
Nutrition for Injury Prevention and Recovery​
Dr. Chen Du is a Registered Dietitian Nutritionist (RDN), competitive CrossFitter, and sleep expert with over 15 years of experience in the fields of nutrition and sleep optimization. Specializing in helping athletes improve performance through tailored nutrition and better sleep practices, Chen offers a comprehensive approach to achieving peak athletic performance.
Chen holds a B.S. in Dietetics from Iowa State University, a Master’s in Public Health from Baylor University, and a PhD in Human Nutrition from Michigan State University. She is also a certified Cognitive Behavioral Therapy for Insomnia (CBT-I) clinician and a CrossFit Level 2 trainer. Chen has worked as a personal dietitian for elite athletes, including Olympic Gold Medalist Chong He, and she regularly speaks on sleep and performance at Power Monkey Camp and CrossFit boxes.
Dr. Chen’s unique expertise in both nutrition and sleep helps RX Nutrition and Fitness clients gain a competitive edge by optimizing recovery, preventing injury, and supporting long-term health and performance goals.
Areas of Expertise:
Weight Loss and Management
Culturally Tailored Nutrition Counseling
Indian Culinary Traditions and Health-focused Cooking
Eating Disorders
PCOS and Hormonal Health
Prenatal & Postnatal Nutrition​
Riddhi Trivedi, MS, RDN, LDN, is a dedicated Registered Dietitian Nutritionist with over a decade of experience helping individuals achieve their health goals through a culturally sensitive and personalized approach. Growing up in a close-knit Gujarati household, Riddhi’s passion for food and nutrition was inspired by her family’s rich culinary traditions, which she now integrates into her practice.
Riddhi specializes in weight management, hormonal health, and culturally tailored nutrition, especially for those seeking to maintain their Indian culinary heritage while pursuing better health. Her compassionate approach focuses on sustainable changes that lead to long-lasting results. Whether you’re managing PCOS, navigating pregnancy, or working toward a healthier relationship with food, Riddhi provides the tools and support to help you succeed.
Areas of Expertise:
Weight Loss and Weight Management
GLP-1 and Anti-Obesity Medications
Chronic Disease Management
Hypertension and Cholesterol Management​
Raylea Montz, MS, RD, LD, is a Registered Dietitian Nutritionist specializing in weight management and behavioral health. With a Bachelor of Science in Nutrition from Texas Woman’s University and a Master’s in Clinical Nutrition from UT Southwestern, Raylea combines her education with a compassionate approach to help clients achieve lasting, meaningful changes.
Raylea’s expertise includes managing obesity and its related conditions, such as Type 2 diabetes and cardiovascular disease. She also supports clients utilizing GLP-1 medications, focusing on maintaining muscle mass and fostering long-term health. By incorporating behavioral techniques like cognitive-behavioral therapy and motivational interviewing, Raylea helps clients overcome barriers and create healthier habits.
Areas of Expertise:
Weight Loss and Weight Management
Tactical Nutrition for Military Personnel and First Responders
Gut Health and Gastrointestinal Issues
Women’s Health
Chronic Disease Management​
Katie Breazedale, MS, RD, LD, is a Registered Dietitian Nutritionist specializing in tactical nutrition, sports nutrition, and gastrointestinal health. With a Bachelor of Science in Food Science and Nutrition from Sam Houston State University and a Master of Science in Health and Human Performance from McNeese State University, Katie has extensive experience working with diverse clients, from soldiers and police officers to athletes and individuals managing GI conditions.
Katie’s expertise in nutrition has been featured in US News, Forbes, and PopSugar, among others. She has also contributed as a guest dietitian for PowerAbs by CrossFitter Kari Pearce, where she provided nutrition guidance and tips for the program participants. Katie’s personalized approach ensures that each client receives tailored, sustainable nutrition strategies designed for their unique health goals.
Marley Oldham Carnes
MS, RDN, CF L-2, CSCS
Founder, CEO
At Marley Nutrition and Fitness, our mission is to empower individuals to fuel their bodies for optimal health, performance, and longevity through personalized nutrition counseling. We are committed to helping athletes, gym-goers, and everyday individuals develop sustainable, enjoyable habits that enhance both physical and mental well-being.
Led by Registered Dietitian and fitness expert Marley Carnes, our team provides expert guidance rooted in science and passion, with the goal of motivating clients to achieve their best selves through practical, individualized nutrition strategies.