About
More Than Fitness — A Path to Strength, Healing & Confidence
DFitness Lab is a personal training studio, located in Ashburn, Virginia, that bridges the gap between rehabilitation and full-body strength training. We specialize in helping beginners, post-therapy clients, and aging adults move better, reduce pain, and build long-term strength through personalized, functional fitness programs. Backed by expert coaches and medical referrals, we offer a safe, supportive space where healing and progress go hand in hand.
Our Story
DFitness Lab was created to fill a gap in the fitness world — where traditional gyms fall short, and physical therapy ends too soon. Our mission is simple: to help you move the way your body is meant to move. We focus on healing through movement, combining strength training with mobility, balance, and body education to help you feel better, move smarter, and live stronger.
Whether you're coming from injury recovery, chronic pain, or just haven't moved in a while, you're safe here. This is a judgment-free, ego-free, supportive space where beginners are welcomed, and experienced movers are continually challenged. We meet you where you are, with a science-backed, personalized approach to lifelong strength.
Meet Our Team
Diana Paul — Founder | Owner
Certified Personal Trainer, Sport's Psychologist, Exercise Nutritionist, Pelvic Floor Specialist and Rotational Movement Specialist | Master's in Medical Genetics | Landmine University Level 2 Coach - Diana blends science, care, and energy into every workout. She believes that fitness should be fun, empowering, and healing. From rehab to results, she has helped hundreds of people discover what their bodies are truly capable of.
Andy Bush— Head of Coaching & Development
Certified Personal Trainer, Nutritionist and Rotational Movement Specialist | Expertise in Medical Science and Human Movement - Andy combines knowledge, experience, and a calm demeanor to make fitness both empowering and healing. He has a strong background in injury prevention, post-rehab strength, and functional mobility.
Ben Huntington — Elite Trainer
Certified Trainer and Rotational Movement Specialist - Ben brings a deep understanding of human movement and recovery to every session. With a strong background in injury prevention, post-rehab strength, and functional mobility, Ben specializes in helping clients overcome limitations and build confidence through movement. His calm, focused coaching style makes him a trusted guide for anyone.
Jamie Clarke — Elite Trainer
NASM Certified | TRX, Plyo & Pool-Based Movement - Jamie's hybrid approach uses mobility, strength, and play to get results. He's passionate about helping people of all ages feel stronger through customized, no-ego workouts that cater to their individual needs. He inspires and motivates his clients to reach new levels of fitness and health.
Neil Steinbaugh — Elite Trainer
Certified Personal Trainer and Rotational Movement Specialist - Neil is experienced with individuals aged 5 to 90+, he specializes in gentle yet effective progressions — ideal for those recovering from injuries or seeking to regain their vitality. He's your go-to for sciatic pain, post-op strength, and functional fitness. He believes in positivity that motivates his clients to see results.
Madelyn Kandrac — Elite Trainer
Certifed Personal Trainer and Pelvic Floor Specialist - Madelyn is a dedicated fitness coach and proud twin mom who is passionate about helping people reconnect with their bodies through strength training and intentional movement. With a focus on building both physical strength and self-confidence, she empowers her clients to break through limits, trust the process, and embrace the journey—because it’s not just about the destination, but who you become along the way.
Brian Wight — Elite Trainer
With 18 years of experience helping people of all ages and body types achieve their fitness goals. Brian graduated from the National Personal Training Institute with certifications from NASM and ACE, plus specialized training in TRX, kettlebell, and functional stability. Brian is hard-working, humble, and active in his community.
OUR CORE VALUES
DFitness Lab is built on the belief that movement is medicine, and everyone — no matter their starting point — deserves expert guidance and care. We prioritize function over aesthetics, focus on education and technique, and create a safe, beginner-friendly environment that supports growth from rehab to resilience. Our S.T.E.A.D.Y. framework ensures every client gains strength with purpose, trains with discipline, and progresses at their own pace — for results that last a lifetime.
Healing Through Movement
Whether you're recovering from injury or starting fresh, movement is medicine.
Beginner-Friendly by Design
You don't need to be an athlete to train here, but we'll treat you like one.
Function Over
Aesthetics
Move well first, look great naturally and feel your inner strength.
From Rehab
to Resilience
Post-PT doesn't mean post-care, this is just the next phase.
Education
Empowers
We teach you how to lift, move, and care for your body for life.
S.T.E.A.D.Y.
S.
Strength at Every Stage
T.
Technique Over Ego
E.
Evidence-Based Programming
A.
Accessible to All Levels
D.
Discipline Builds Confidence
Y.
Your Pace. Your Progress.