Top Nutrition and Fitness Influencers Experts 2025

As a NASM Certified Nutrition Coach (CNC) at Same Day Supplements, I specialize in providing science-backed, personalized nutrition guidance to help individuals achieve their health and fitness goals. With expertise in dietary planning, supplement strategies, and performance nutrition, I work to empower clients with practical tools for lasting results. My approach blends evidence-based knowledge with real-world application, ensuring sustainable habits that support both everyday wellness and peak athletic performance.

As a Registered Dietitian I am trained in all aspects of nutrition, from the biochemistry of nutrients to the social & cultural factors that influence food choices. I provide nutrition coaching as well as medical nutrition therapy to help manage chronic diseases such as diabetes, heart disease, & obesity using the latest scientific evidence. My work has been featured in outlets such as Women's Health, Reader's Digest, Business Insider, Popsugar, Eat This Not That, SRQ Magazine, Sarasota Magazine, SNN, & more.​ Experience: Bright Body Nutrition, Owner & Registered Dietitian Sarasota Memorial Healthcare System, RENEW Lifestyle Medicine Program Coordinator Education: Tulane University, RDN Florida State University, BS Additional Certifications: Integrative & Functional Nutrition, DIFM Lifestyle Medicine Coaching, ACLM

I’m a registered clinical dietitian and transformation coach who helps busy professionals lose fat and build muscle through evidence-based nutrition and training. My programs have been featured in Business Insider, GQ, and Esquire, and I’ve coached over 180 clients globally—including high-level executives, founders, and frequent travelers.

​Lisa Ackerman is a board-certified functional medicine nutritionist and the founder of Well Fed Wellness, where she guides clients towards better health with science-backed, judgment-free coaching. She holds an M.S. in Human Nutrition from the University of Bridgeport and is completing a Doctor of Clinical Nutrition at Maryland University of Integrative Health. She specializes in gut health, mental health, and metabolic health and loves that a job exists where she can talk about food and nutrition all day long.

Silvija Meilunaite, PN1-NC, CSMC, is a certified nutrition and menopause coaching specialist who writes about midlife health, nutrition, and evidence-based wellness. She focuses on research-driven approaches to feeling better in your 40s and beyond, with a special interest in low-tox living and supportive daily habits.

I'm not your typical nutritionist. I teach busy women science-based tools, to self-manage their energy, focus, weight, gut, and hormone health ...so that they look, feel, and work well. I offer science-based Nutrition and Lifestyle advice that's been proven to work. 1:1 consults, on-line classes, and as a keynote speaker. In organisations, I speak on all thing's wellness (Work + Well series). Curated for professionals these are designed to empower people with the tools they need to stay well. Current seminars are: . Fuel your success (How to get the energy you need to succeed) . Stress RX (Resilience Remedies) . Work-Life-Hormone Balance (Female-specific advice for all ages including Perimenopause & beyond). I do all of this while continuing to contract in senior Project roles - so I live what I teach daily. You'll also find me at the Auckland Executive Club as President in a volunteer role - a not-for-profit club that exists to develop women of all ages, groups, industries and backgrounds in business.

Dr. Rimas Geiga is a distinguished professional with a diverse skill set, serving as a Medical Doctor, Registered Dietician, and Clinic Nutritionist. With a solid foundation in healthcare, he plays a pivotal role as a private advisor to a consortium of companies operating in the health and wellness sector, offering valuable insights and strategic guidance. In addition to his advisory role, Dr. Geiga is actively engaged in hospital work, bringing his expertise to the forefront of patient care. His commitment to providing quality healthcare is evident in his contributions to the medical field, where he tirelessly works to enhance the well-being of those under his care. Beyond his medical pursuits, Dr. Geiga finds joy in various hobbies that contribute to his well-rounded personality. An avid enthusiast of culinary arts, he explores the world of flavors through his cooking endeavors. Dr. Geiga also embraces an active lifestyle, indulging in cycling adventures that not only promote physical fitness but also reflect his passion for outdoor activities. Wine tasting stands out as another of Dr. Geiga's interests, where he enjoys unraveling the complexities of different varietals and appreciating the artistry behind each bottle. His love for travel allows him to explore diverse cultures, further broadening his perspectives and enriching his experiences. Dr. Rimas Geiga's multifaceted professional background, combined with his dedication to health and wellness, showcases a holistic approach to his career. His commitment to patient care, coupled with a vibrant array of hobbies, underscores his well-balanced and dynamic presence in both the medical and personal spheres of life.

Maria Lucey is a Registered Dietitian and one of the most recognizable nutrition voices on YouTube, known for simplifying evidence-based nutrition into clear, practical advice that anyone can use. Her fast-growing online platform spans YouTube, Instagram, and her recipe-focused blog, where she shares balanced, accessible nutrition guidance and healthy meals that actually fit real life. Maria has been featured in EatingWell, LoseIt, and other major outlets, and she brings nearly a decade of clinical experience across multiple settings. She holds a First-Class Honors degree in Human Nutrition & Dietetics from Trinity College Dublin and is known for her warm, relatable style that makes nutrition feel understandable, doable, and genuinely enjoyable.

On the quest to find the best way to forever health& fitnessExercise Physiologist (ESSA), Nutritionist, Strength and Conditioning Coach (ASCA), Sports Coach (SMA), Personal Trainer, FitGenes practitioner, Matrix Fitness Australia master trainer

I’m a qualified Nutritional Therapist and Personal Trainer, specialising in realistic, science-based nutrition and lifestyle coaching. My approach is designed for busy lives, looking at how you can make health simple and realistic. I’ve been through my own health journey and have been running my own nutrition practice for over a year. I specialise in female health, hormones, gut health and, burnout. I help my clients address all of these concerns whilst still living fulfilling lives.

Deena Goldman, MDN, RDN, LD is a clinically trained registered dietitian nutritionist at Cleveland Clinic, where she specializes in medical nutrition therapy for obesity, chronic illness, and critical care nutrition. She works in both hospital and outpatient settings, with a focus on realistic, sustainable strategies that fit into everyday life. In addition to her clinical work, Deena is a writer for MyObesityTeam, where she translates complex nutrition science into clear, approachable advice for a broader audience. She brings a real-world perspective to topics like obesity, GLP-1s, metabolic health, and the everyday decisions that shape how we eat. Learn more at: https://www.myobesityteam.com/writers/684c922f814cb8bb781c5397

Jackie Newgent, RDN, CDN, is a distinguished culinary nutrition expert and thought leader who seamlessly bridges the worlds of professional cooking and nutritional science. As a classically trained chef and registered dietitian, she has established herself as a preeminent voice in plant-forward cuisine and innovative food education. With multiple award-winning cookbooks and a robust media presence, Newgent has emerged as a highly sought-after authority in culinary nutrition and wellness. A respected industry influencer, Jackie serves on the Forbes Health advisory board and leverages her extensive expertise as a national media personality and contributor to national health platforms like U.S. News & World Report. Her professional journey includes an impressive tenure as a chef instructor at the prestigious Institute of Culinary Education in New York City. Currently, she continues to shape culinary education as an instructor at The Gourmandise School in Santa Monica and through her private teaching. Newgent's professional portfolio extends beyond traditional roles, serving as a nutrition coach for My Peak Challenge and a strategic culinary nutrition advisor to major food companies and emerging plant-centered businesses. Her multifaceted approach to nutrition and cooking has positioned her as a unique and influential professional who is reshaping how we understand the intersection of food, health, and sustainability. Based in Los Angeles, Jackie continues to inspire and educate through her dynamic work across media, education, and culinary innovation.

Currently consulting with corporations, municipalities, and community organizations to develop cutting edge, PPACA compliant wellness programs that will help to create an overall corporate wellness culture and alleviate the escalating costs of health care. For more information about our programs, visit us at: www.Healthyfitfamily.com

Peter Brukner is a specialist sports and exercise physician with a special interest in nutrition. Peter is the founding partner and Chair of the not-for-profit charity SugarByHalf, and the app-based program Defeat Diabetes. Peter is the founding partner of Olympic Park Sports Medicine Centre in Melbourne and Professor of Sports Medicine at Latrobe University. A founding Executive Member of the Australasian College of Sports Physicians, he served two terms as President and played a key role in establishing sports medicine as a medical specialty in Australia. Peter is the co-author of the widely used text book Clinical Sports Medicine and has been team physician for professional football clubs as well as national athletics, swimming, soccer and men’s hockey teams including Olympic and Commonwealth Games. Peter was the Socceroos Team Doctor at the 2010 World Cup in South Africa, Head of Sports Medicine and Sports Science at Liverpool Football Club from 2010-2012 and Australian cricket team doctor form 2012-17.

Amanda Brink Hull grew up just outside of Fenton, Iowa on a small acreage where she was raised with her three younger sisters. Their upbringing was rooted in hands-on experiences; working in their father’s two huge gardens, caring for the family’s chickens, and learning the art of deer hunting. These experiences instilled in Amanda a deep respect for nature, an understanding of the importance of nutritious food, and a strong work ethic; principles that serve as the foundation of her values today. Amanda and her husband, Josh, now live full-time in Florida but remain connected to their Iowa roots. They have two grown children—a daughter working in real estate in Iowa and a son playing collegiate baseball near Chicago. Both enjoy cooking and leading active lifestyles. Amanda holds certifications in nutrition, personal training, and health coaching, along with a Master’s degree in Industrial and Organizational Psychology. She has served on various boards from Iowa to Washington, DC, and has spoken at national conferences alongside Dr. Mehmet Oz. Because of her passion and dedication for overall health, Amanda was nominated to serve as a Hearst Wellness Champion from 2018 to 2021, in addition to her role as General Sales Manager at the Hearst CBS affiliate in Des Moines, IA. Currently, she volunteers as a wellness advocate, serving on the WellWorks! Committee at Strategic America. Amanda founded Hull Health in 2020, initially sharing wellness tips, workout ideas, and healthy recipes through social media. Since then, the mission has evolved to address the vital healthcare needs of individuals, organizations, and communities. She’s excited to release her latest book, Rooted: The Down-to-Earth Basics of Wellness, coming August 2025. Visit the Books page to pre-order your copy and see the full list of upcoming author events.

With over a decade of experience in the fitness industry, I specialize in helping clients create sustainable, science-based strategies to achieve their health and wellness goals. I hold a Bachelor’s Degree in Kinesiology and multiple advanced certifications in personal training, nutrition, and movement quality. I provide personalized one-on-one training and coaching, available both in-person and online. My approach emphasizes evidence-based methods, long-term results, and individualized program design that adapts to each client’s lifestyle and goals. Certifications include: ACE Certified Personal Trainer Precision Nutrition Certified Kettlebell Level 1 & 2 Functional Movement Screen Level 1 & 2 Trigger Point Certified Pre/Post-Natal Certified ViPR Certified Power Plate Certified Over the years, I’ve worked with a wide range of clients—from pre-teens to adults 65+, new mothers navigating postpartum recovery, and athletes striving for peak performance. No matter the starting point, I’m passionate about helping people overcome plateaus, build confidence, and achieve lasting results.

NYC based Registered Dietitian-Nutritionist and group practice owner with over a decade of clinical experience. Areas of expertise and interest include eating disorders, eating disorder recovery, Intuitive Eating, weight inclusive nutrition care, LGBTQ+ affirming nutrition care, and building/running a private practice.

Former IFBB Bikini Pro (ranked 12th globally) and seasoned Health & Nutrition Coach with a decade-long track record as a solopreneur, specializing in high-ticket sales, lead nurturing, and client management. Recognized for a strong ability to close high-ticket deals in a short cycle, achieving $100-280K in annual sales driven by organic social media outreach and direct client engagement. Proficient in optimizing sales processes to consistently exceed revenue targets while delivering an exceptional client experience. High-Ticket B2C Sales (Closing $100-280K annually)Exceptional Prospecting, Qualifying & Closing SkillsCRM proficiency in tracking and lead nurturingProgram/Business DevelopmentStrategic Outreach & Conversion OptimizationMulti-Channel Client Engagement (Social Media, Email, Phone)CertificatesNASM CPTNASM Fitness Nutrition SpecialistPrimal Vinyasa CertifiedTransformational Breath Level III CertifiedFunctional Diagnostic Nutrition Practitioner

Kim Ross, MS, RD, CDN specializes in nutrition counseling, wellness programming…