Julia Voyles
Certified Athletic Trainer | HIIT and Endurance Specialist
Julia brings more than 20 years of experience in personal training and athletic performance.
She holds a bachelor’s degree in Health Studies and a master’s degree in Athletic
Training and is both a Certified Athletic Trainer and Corrective Exercise Specialist.
A former collegiate swimmer, national qualifier, marathon runner, and high-school Sports
Medicine teacher, Julia combines challenging strength and endurance training with sound movement
and injury-prevention principles.
David Acosta
Group Fitness and Performance Coach | Strength and Hybrid Conditioning
David has 10 years of personal-training experience and 15 years of competitive wrestling
experience, including Division I competition at The Citadel.
His coaching combines calisthenics, strength development, hypertrophy, hybrid conditioning,
mobility, and recovery. David works with everyone from youth athletes to adults seeking greater
strength, fitness, and long-term physical capability.
David also offers one-on-one personal training through Train 4 Life PT. To learn more or discuss
personal training, contact him on Instagram at
@train.4.life_pt.
Bobby Stephens
Group Fitness and Performance Coach | Strength and Hybrid Conditioning
Bobby is a U.S. Army veteran and ISSA-certified personal trainer with more than 22 years of
experience in strength training, conditioning, and performance development.
A former amateur bodybuilder and competitive HYROX and Spartan athlete, Bobby brings firsthand
experience combining strength and endurance. His classes emphasize purposeful training, proper
form, accountability, and sustained effort.
Bobby also offers one-on-one personal training through IC3 Personal Training. To learn more or
discuss personal training, contact him on Instagram at
@manonamission864.
Rachel Brown
NASM Personal Trainer | Strength and Endurance Coach
Rachel is a NASM-certified personal trainer with a background in gymnastics, competitive dance,
distance running, Spartan racing, and Muay Thai.
She leads strength-and-endurance classes for all fitness levels, helping members improve their
conditioning, develop confidence, and discover what they are capable of through consistent
training.
Amy Dickerson
NASM Personal Trainer | Strength and Healthy Aging Coach
Amy is a NASM-certified personal trainer specializing in strength training, high-intensity
conditioning, and healthy aging.
Her supportive but challenging coaching style helps adults build strength, resilience, and
confidence while improving how they move and perform in everyday life.
Meredith Rosendal
NASM Trainer | Mobility and Yoga for Athletes Specialist
Meredith is a NASM-certified personal trainer and 200-hour yoga teacher specializing in
mobility, joint stability, corrective exercise, and performance longevity.
Her classes help members restore range of motion, improve balance, develop durable movement
patterns, and continue performing at a high level for years—not just seasons.
