About HiDef 


Our Mission

Is to bring you personalized physical therapy, fitness, nutrition, wellness, and mindset programs that work for your life. Our goal is to help you be fit for anything, and fit for everything.

Maple Valley Physical Therapist

Dr. Zach Smith, PT, DPT

Zach is a Doctor of Physical Therapy with a bachelors degree in exercise science. Zach uses a fully integrated approach to training through the unique use of both physical therapy and exercise science principals to help clients perform at their optimal level while avoiding injury.

Seattle Personal Trainer

Mitch Harb, CPT

Mitch is a National Academy of Sports Medicine Certified Personal Trainer and Certified Nutrition Coach who believes it’s all about the “easy wins” when it comes to fitness/ health success. Mitch doesn’t preach any particular diet or training but rather helps people find what works best for them.


We offer a variety of services to fit your goals and schedule.

Click below to schedule your complimentary consultation for our programs.



Dr. Zach has been an integral part in our recovery! He comes to our home and is great with the kids. During the whole process I've been careful to get providers who are good with the kids and both of them have taken to him well, and have shown great improvement. We are very grateful that he was the PT for both our kids because he had been able to give them hope, and show them improvement and help them get better. I've had PT a few times but never had a PT doctor who cared as much or was as dedicated as Dr Zach.


I was refered to Zach with 3 surgeries under my belt and fresh out of an major bone transplant - all on my left knee - so it's safe to say I came in with a ton of questions and concerns. After my first session I knew I was in the right place! Zach's supreme knowledge on recovery therapy and passion to help people like me with serious/chronic sports injury was clear from the start and I immediately felt i was in good hands. Geeking out over sports and cutting edge physical therapy tools only helped make the rehab process more fun not to mention the really creative and challenging recovery workouts to get me back to form. After a few months of intense rehab I'm happy to say I'm on the fast road to recovery and should be back to league ball by end of the year. Thanks for all yur help bro! Couldnt have done this without your hell. Keep up the great work.


I highly recommend Mitch as a client-focused, empathetic, and results-oriented personal trainer. Working with Mitch as a personal trainer has changed my view of working out! When Mitch and I first started working together, I had been feeling burnout from the number of workouts I was doing and the constant push for more. I felt depleted, and I wasn’t experiencing the physical or mental results I expected. And honestly, that didn’t work for my schedule anymore. In my first meeting with Mitch, he was focused on understanding my goals and the coaching style that would be most effective for me. Since then he has tailored every work out and interaction to push me to meet those goals while being my biggest supporter along the way. As a result, I cut back my number of work outs. I have more energy in all the cross training I love to do. I feel stronger than ever, and I am seeing my body change.


Independent Contractor of Physical Therapy Dynamix

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Physical Therapy | Fitness | Nutrition | Mindset

Contact for Physical Therapy

Phone: (360) 605-0033

Contact for Training and Nutrition

Phone: (206) 659-7680
Fax: (425) 207-4980


Home Office
26431 233rd Ave SE, Maple Valley, WA 98038
Seattle Gym at Pandora
1918 8th Ave Suite #150, Seattle, WA 98101
MOBILE PRactice model
Mobilizing services to your home, office, or gym. See locations under the services tab for details on area that we are mobilizing services to. 
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