GREG MACK, CPT, CMES
Greg, a Navy Nuclear Engineering School graduate, combines engineering skills with fitness passion. An ACE Medical Exercise Specialist and Personal Trainer, he earned the IDEA International Personal Trainer of the Year Award and chaired the IDEA Personal Trainer Committee. Greg works with medical professionals using his Mobility Profiling Method to assess motor control, helping clients move, feel, and live better pain-free.
TRICIA MURPHY MADDEN
Tricia Murphy Madden is a highly respected veteran of the fitness industry with 30 years of experience. She was awarded Fitness Leader of the Year for IDEA in 2020. Tricia served as the on-set Director for Amazon Halo, directing workouts, and contributing to talent casting and camera skills development. As a National Education Director, she oversees programming and manages a team of 100+ master trainers. Tricia is also the co-creator of Barre Above and a Co-Founder of Homeroom Fit. She actively participates in the IDEA Group Fitness Committee and frequently presents at global events, earning her a reputation as a respected leader in the field.
SHELDON MCBEE, MS
Sheldon holds an M.S. in Human Nutrition and is Executive Director at Universal Athletic Club. With 19+ years in fitness, he’s an ACE-certified Personal Trainer and Group Instructor, international presenter, educator, and business consultant. Sheldon has spoken at IHRSA, IDEA, Canfitpro, SCW, and more. Featured in industry publications, he also serves on advisory panels for Canfitpro and Club Solutions Magazine.
IRENE MCCORMICK, MS, CSCS
Irene McCormick, MS, CSCS, is an IDEA Fitness Instructor Award winner, author, and subject matter expert. She is an international fitness lecturer, adjunct physiology instructor, and owner of Coaching Services for Women. Irene authored *The HIIT Advantage for Women* and is a subject matter expert for ACE, NASM/AFAA, Orangetheory, and others. She consults, mentors, and offers “JUST START” Strength, a virtual 1:1 coaching program for women.
GUILLERMO MELENDEZ, MS
Guillermo brings over 15 years of dance experience and more than four years of teaching Zumba® to every class. A Zumba® Education Specialist for Basic 1, Aqua Zumba®, Zumba® Toning, and ProSkills—and a Zumba® Toning Jammer—he delivers high-energy, engaging sessions that build community and confidence. Guillermo also holds Master’s degrees in Health and Wellness and Holistic Nutrition, supporting a well-rounded approach to fitness.
DR. JONATHAN MIKE, PhD
Jonathan Mike, PhD, CSCSD, NSCA-CPTD, USAW-1, NKT-3, is a global leader in exercise science and sports performance. A seasoned coach, author, and presenter, he has delivered over 130 talks and written extensively for peer-reviewed journals, book chapters, and major fitness platforms. Jonathan also consults for top companies, driving innovation in education, performance, and product development.
KEVIN MULLINS, CSCS
Kevin Mullins, with a degree in Kinesiology, is a veteran fitness professional with seventeen years of experience across high-end health clubs including EQUINOX, Anatomy, and The St. James. He has delivered more than twenty thousand personal training sessions and hundreds of group fitness classes while leading teams generating over $250,000 in monthly training revenue. Kevin is also a respected writer, presenter, and educator for national organizations such as PPSC, NASM, and NSCA, sharing expertise in movement, coaching, and performance.
KENDALL NIELSON
Kendall Nielson, founder of SHiNE Fitness, offers SHiNE Dance Fitness, SHiNE Light, and Uplift Strength Fitness. Based in Boise, ID, she has grown the brand to nearly 300,000 YouTube subscribers, thousands of online members, and over 1,000 licensed instructors worldwide. An AFAA, ACE, and NASM continuing education provider, Kendall leads exclusive trainings and inspires community, connection, and empowerment through movement.
DR. TRACY OFFERDAHL, PharmD, FAAO
Dr. Tracy Offerdahl is an integrative clinical pharmacist and pharmacology professor with over 30 years of experience. Her passion lies in integrative and functional medicine, cellular wellness, and aging well. She educates healthcare and fitness professionals on how cellular health influences overall wellness, aging, and performance optimization. A highly sought-after speaker, Dr. Offerdahl lectures extensively throughout the United States.
FELIX OJEDA, MS, MBA
Felix Ojeda, born in Venezuela, was a national athlete in baseball, track, and basketball with a passion for Latin dance. After earning degrees in accounting, finance, and management, he transitioned from a successful finance career to fitness. In 2010, he founded Palango! Fitness, a dynamic program blending dance, movement, and athleticism. Felix’s journey fuses sports, business, and his passion for helping others live healthier lives.
DANIELLE ONTIVEROS
Danielle Ontiveros is the founder and CEO of Grab The Gold, a snack bar company she launched at age 16 in 1990. For over 30 years, she has grown the brand into a debt-free, community-driven business based in Franklin, TN. Danielle champions flexible jobs for veterans, single parents, and seniors, while donating thousands of meals annually to fight food insecurity.
DR. GRAZYNA PAJUNEN, MS, PHD
Dr. Grazyna Pajunen, a Warsaw native, holds a Ph.D. in Solid State Electronics and taught for 25 years at UCLA and FAU. With over 50 publications and 15 U.S. patents, she transitioned from electronics to health. Now a board-certified functional nutritionist, she partners with her health coach son in an anti-aging venture, helping clients age gracefully without medications or surgery—combining science and passion for transformative wellness.
MICHELE PARK
Michele Park has over 35 years of experience in the fitness industry as a mentor, program developer, and educator. She created SOULfusion, SOULstrength, BARREfusion, and SOULkickboxing, blending movement and music into powerful experiences. Michele owns a virtual studio with over 300 members and has taught online for 8+ years. Passionate about mentoring and program creation, she continues to inspire fitness professionals nationwide.
CHRISTOPHER POIRIER
Christopher Poirier is a dynamic fitness professional blending science, creativity, and fun. Expert in performance training, corrective exercise, and on-camera presence, he’s worked with NBA, UFC, NCAA, and Olympic athletes. Featured on Emmy-nominated TV, Christopher creates inspiring content for top fitness brands. As the 2022 SCW Fitness IDOL winner, he continues to innovate and shape the fitness industry with his unique approach to training and performance.
DR. KELLA B. PRICE, MS, EdD
Christopher Poirier is a dynamic fitness professional blending science, creativity, and fun. Expert in performance training, corrective exercise, and on-camera presence, he’s worked with NBA, UFC, NCAA, and Olympic athletes. Featured on Emmy-nominated TV, Christopher creates inspiring content for top fitness brands. As the 2022 SCW Fitness IDOL winner, he continues to innovate and shape the fitness industry with his unique approach to training and performance.
GUSTI RATLIFF, MED, E-RYT 500, C-IAYT
Gusti Ratliff, Med, has spent over a decade developing chair yoga protocols for seniors, the physically challenged, and therapeutic yoga for multiple sclerosis. A former studio owner, she facilitated 200-, 300-, and 500-hour YTT programs and helped pioneer one of the first recognized yoga therapy programs in the U.S. For 20+ years, Gusti blends humor and lightheartedness with transformational yoga to empower her students.
HEATHER RHODES
Heather is the WATERinMOTION® Development Manager, known for her passion for building relationships and expanding aquatic programming nationwide. She is a certified AEA and AFAA-CGFI (Group Fitness Instructor) professional, bringing energy, professionalism, and expertise to every training. Heather excels at supporting instructors and facilities with program growth, education, and implementation, helping clubs maximize their pool potential and deliver engaging, results-driven aquatic experiences.
JANI ROBERTS
Jani Roberts is a retreat facilitator and founder of Alignment Essentials®, a mental health and wellness company focused on mindfulness, embodied awareness, and resilient living. Through immersive retreats, wellness programs, and trainings, she supports nervous system regulation, emotional well-being, and whole-person alignment—offering practical, sustainable practices that extend beyond the retreat experience and into everyday life.
Keli Roberts, an ACSM Exercise Physiologist, is a decorated fitness professional with ACE certifications in GFI, HC, CPT, and Senior Fitness, plus NASM Corrective Exercise and FAI Aging Specialist credentials. A National Fitness rossHall of Fame inductee, she has earned awards such as IDEA International Fitness Instructor of the Year, Best Female Presenter, Lifetime Achievement, and the Inspiration Award from Empower! Conventions.
DANE ROBINSON
Dane is a Certified Personal Trainer and Performance Enhancement Specialist (NASM) with extensive experience across all facets of the fitness industry. From hands-on personal and group training to regional department management, Dane’s career spans from the ground up. He currently impacts hundreds of clients in Dallas, GA, through private and group training, and reaches thousands more as a TV fitness coach, appearing on platforms such as Daily Burn, Total Gym TV, MyFitnessPal, QVC, and the TODAY Show.
YURY ROCKIT
Yury Rockit brings a fresh approach to fitness, appearing on the circuits of SCW, IDEA, AFC, and CanFitPro. Specializing in both traditional and mindful fusion training, Yury blends movement, mindfulness, and creativity to help clients and instructors achieve results. Known for his engaging style, he inspires participants to move with purpose, connect mind and body, and elevate their fitness experience.
DR. RENEE ROGERS, PHD, FACSM
Dr. Renee J. Rogers, PhD, FACSM, is a bio-behavioral intervention expert with 20+ years in exercise physiology, behavior change, and obesity treatment. She specializes in engaging tai chi approaches and focuses on exercise and body composition’s role in modern obesity treatments. Dr. Rogers is a leading authority on obesity medication research and the translation of exercise and lifestyle impacts for improved health outcomes.
LIZ ROMAN
Liz Roman is a Board-Certified Functional Nutritional Practitioner and Master Restorative Wellness Practitioner specializing in uncovering the root causes of digestive dysfunction, hormonal imbalances, autoimmunity, and metabolic resistance, especially in women. She is the Founder and Co-Owner of a leading functional nutrition practice, and co-host of The Health Revival Show, a Top 100 alternative health podcast. She delivers practical, no-nonsense strategies that empower women to take control of their health.
PHIL ROSS, MS
Phil Ross, M.S., known in the industry as Master Phil, is a Master Kettlebell Instructor and creator of The BodyBell Method, a kettlebell, bodyweight, and dynamic tension system. He holds black belts in four martial arts disciplines and is a former National Champion in grappling and striking. A professor at the American Military Academy, he coaches Bergen Catholic wrestling, has trained U.S. Special Forces, and is the inventor of the Back Better Bar and author of five books.
DEBORAH ROTHSCHILD, MS, NASM-CPT, ACE-CPT, AFAA-CGFI
Deborah Rothschild, MS has been a fitness professional since 2003, bringing a wealth of experience and expertise to her presentations. Deborah’s specializations, such as ACE Senior Fitness Specialist & Brain Health Trainer, NFPT Cancer Recovery Specialist, BHOF BoneFit Instructor, and Parkinson Wellness Recovery PWR!Moves Instructor, highlight her commitment to continuous learning and staying at the forefront of the industry. She is the proud owner of Tough Agers, LLC, a virtual and on-location fitness company dedicated to serving older adults of all fitness levels and capabilities.
JAYMAR SANIATAN, RD, CPT
Jaymar Saniatan is a registered dietitian and certified personal trainer with over 20 years of experience in nutrition and fitness. As the CEO and founder of Nutrition Phitness, he transforms lives one meal at a time. With clients ranging from 7 to 100 years old, Jaymar is also the author of an upcoming children’s book. Above all, he is passionate about helping others achieve their best health.
BILL SHUTTIC, MBA
Bill Shuttic is a Certified Master Personal Trainer, Massage Therapist, Nutritionist, Herbalist, and Natural Health Practitioner. As Chief Health Officer at Ultimate Health & Wellness, he blends fitness, nutrition, and natural health to empower individuals. A martial artist, author, and speaker, Bill delivers engaging monthly presentations on diverse health topics, inspiring audiences to adopt balanced, healthier lifestyles.
SHALOM SINGER
With over 25 years in the fitness industry, Shalom Pearl Singer is a powerhouse. From group fitness and combat sports to Founder of Pearls Physique, she’s a body composition expert, strength and conditioning coach, cancer recovery and aquatics specialist, and multi-certified educator. A champion on and off the stage, Shalom currently holds the WNBF Ms. US Cup title in the Figure division and is a 3x Ms. Universe winner.
KIMBERLY SPREEN-GLICK
Kimberly brings 30+ years of experience in fitness, yoga, leadership, and personal development. She served as Senior Director of Group Fitness at Life Time for over a decade and was named IDEA’s 2015 Program Director of the Year. Kimberly founded The Inspired Life University, providing online programs, certifications, and coaching to empower heart-centered fitness professionals to thrive, boost income, and expand their positive impact.
TAYLOR STRICKLAND
Taylor is dedicated to supporting women at every stage of their health and fitness journey, helping them feel strong, confident, and capable. She founded Pelvic Core Coaching to address often-overlooked challenges like pelvic floor dysfunction, core instability, and movement limitations—replacing stigma with education, practical solutions, and strength-building. Grounded in evidence-based coaching, her mission is to empower women to thrive in all seasons of life. Taylor is an Elite Trainer, Pregnancy & Postpartum Athleticism Coach, and Certified Sports Nutrition Coach.
AMBER TOOLE
Amber Toole is a valued SCW Faculty member with over 33 years in the fitness industry. She holds a degree in Physical Education and Health from Georgia Southern University and specializes in fitness, nutrition coaching, and business development. Amber owns The Training Toole, a thriving fitness and nutrition studio in Ocala, Florida, and recently expanded to open a successful Pilates studio. Her passion continues to inspire healthier, fitter lives for all.
JAKE TRIONE
Jake Trione is the Co-Owner and Founder of TriFitness Gym, a veteran-owned business he built from a 240 sq. ft. garage into a $1.8M, two-location success. A retired U.S. Coast Guardsman with 20 years of service, Jake now mentors fitness professionals on scaling, branding, and leadership. His mission-driven approach emphasizes purpose, resilience, and community impact.
TARA TURNER
With 20+ years in the industry, Tara Turner is a powerhouse fitness leader, trainer, and presenter. As a Master Trainer, she certifies instructors in boxing, kickboxing, and kettlebell, while running her online platform, Turnstyle Fitness. Passionate about inclusivity, Tara inspires people of every shape and size to unleash their strength, spirit, and confidence through movement.
LESLIE WARREN
(DL25 Star
Search Winner)
Winner of the Dallas Mania Star Search 2025. Leslie Warren is a dynamic fitness professional and Founder of Phoenix Fitness, dedicated to empowering women to become their strongest, most confident selves at every stage of life. She teaches Alignment Essentials® and Zumba® formats and holds certifications through AFAA, NASM, and Alignment Essentials®. Creator of Crazy 80s Cardio, she delivers high-energy, transformative workouts. Her mission is to inspire women to rise, reinvent, and thrive.
BILLIE WARTENBERG
Billie brings 28+ years of fitness experience and currently serves as the Fitness and Wellness Director at Trilogy Resort 55+ in Orlando, FL. She oversees nearly 100 weekly sessions focused on healthy aging and is the author of the SCW Aqua Barre certification. A master trainer for WATERinMOTION® and S.E.A.T., Billie blends her cheerleading background with high energy, enthusiasm, and encouragement in every class.
RUSTON WEBB, MS, FMS II, TPI-CGFI III
With 24+ years in fitness and a Master’s in Human Movement, Ruston Webb is a global expert in mobility training and pain relief. He co-authored a college curriculum with ACE and created The Mobility Recipe, a certification trusted by 1,600+ pros. Ruston also developed targeted programs for joint pain solutions. His mission: to empower fitness professionals to help clients move better, feel better, and live pain-free.
LAURA YASINITSKY, MA
Laura Yasinitsky is Assistant Director of Fitness at Washington State University and a Master Trainer for SOUL Fitness Brands. With a master’s in Gender, Culture, and Society, she creates welcoming, affirming fitness experiences. Training over 50 instructors yearly, Laura’s mission is to make fitness friendlier and more joyful—encouraging everyone to move in ways that feel good and inclusive.