Experts Dedicated to Your Journey
At Fittbra, we believe that the key to success lies in expert guidance, personal support, and a passion for helping others. Meet the dedicated professionals behind our mission to transform lives through nutrition, fitness, and sustainable wellness.
Briar Aranas
Founder & Certified Nutrition Coach
Briar Aranas is the founder and creator of the FITTBRA Program, a virtual nutrition counseling company she launched in 2016. With a mission to provide custom, whole food–based nutrition plans tailored to each client’s goals, FITTBRA stands out for its commitment to accountability, real-life strategies, and sustainable education. What started as a solo endeavor has since grown into a thriving team of certified nutritionists and a registered dietitian, now supporting clients across 25 U.S. states, Germany, and Australia.
As a Certified Nutrition Coach through NASM, Briar holds specialized credentials in Weight Management, Sports & Fitness Nutrition, and Wellness Coaching, and continues to deepen her expertise to stay ahead of the industry. With over a decade of experience, she’s helped thousands of clients lose weight and maintain their results, including one remarkable transformation of 247 pounds lost — a true testament to life-changing nutrition.
Briar is also a proud Veteran Wife and Mom of two, balancing entrepreneurship and family life with passion and purpose. Her client-referral-based business model speaks to the trust and results-driven reputation she’s built, empowering individuals to feel confident, strong, and in control of their health for the long term.
Meet Our Experts
Merisa Martines, RDN
Registered Dietitian Nutritionist
Merisa is the owner of our sister company, Live Nourished Today. She is a mom of 1, has a Master’s degree from Texas Tech University and a Bachelor’s degree from Texas State University in Nutrition and Dietetics. She earned her Registered Dietetics licensed in May 2022. Merisa has made it her mission to help others rediscover themselves and develop a new way of eating. It’s not about perfection but instead making small goals that turn into sustainable changes. She is thrilled to be partnered with Fittbra.
Click the link below to check out her website for clinical nutrition needs and help with eating disorders.
Jeannette Glosson
Certified Personal Trainer and Nutritionist
Jeannette is a mom of 5! She owns a personal training company Roman Vitus LLC and has been in the Fitness and Nutrition scene for over 10 years. She has graced the stage in figure competitions, power lifting and also trains and coaches professional Athletes. She is a Goal Getter and knows how to lead clients to success.
Want to check out her personal training services? click the link below and head to her website.
Meredith Gabbitas
Certified Personal Trainer and Nutritionist
Meredith and her husband have 4 children, combined. She has been in the fitness industry for the past 6 years, was a former Orange Theory Fitness(OTF) coach and now has her own company, “Strides to Empowerment, LLC” where she is able to provide personal training, group fitness classes, nutrition and even horseback riding lessons to her community. She enjoys helping people achieve their goals and works hard to ensure that her clients are set up for a positive, results driven and successful journey.
Renee Brown
Certified Nutritionist
Renee has two grown sons and added three more when she got married last year! She is a retired high school teacher and coach of 28 years. During college she battled with weight issues but ended up losing 50 pounds after she moved to Texas.
Thus, her love for fitness began when she started lifting weights, running, and eating much healthier! She entered body-building contests & participated in a few marathons. Health & fitness has always been a passion, and she looks forward to helping people transform their lives & achieve their goals!
Crystal Mancilla
Certified Nutritionist
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Your Journey Starts Here
At Fittbra, we are more than a team—we are your partners in health. Whether you’re looking to lose weight, build muscle, or develop a healthier relationship with food, our experts are here to support you every step of the way.
📩 Get in touch today and take the first step toward lasting change!