Meet Our Team

Just like you, we are Athletes. We are also trained Physical Therapists.

This combination shapes how we feel about our clients and how we deliver care.  We’ve created a hybrid model of physical therapy, biomechanical assessment, performance enhancement training and preventative conditioning in an environment suitable for all activity levels.

Positive Energy Physical Therapy & Sports Performance in located on Pacific Coast Hwy in Redondo Beach, CA. The office is easy to access from the Palos Verdes Peninsula as well as the Beach Cities.

Reception Hours:
Monday-Friday: 7:30am – 5:30pm
Saturday-Sunday: Closed

We’ll find a time that suits your needs.

Our Physical Therapy & Sports Performance Team

Sean Ryan, MSPT owner of Positive Energy Physical Therapy & Sports Performance in Redondo Beach

Sean Ryan


Interests include: Socializing with immediate and extended family, traveling, enjoying the outdoors, racing triathlons.

As a health care provider, you will find that I care deeply about restoring you to optimal health.

Being a runner myself, I am particularly interested and experienced in helping with running injuries and running injury prevention. Whether you have knee pain, hip pain, or want to prevent these from occurring, I can help with gait analysis and physical therapy exercises.

Matthew Varca, PT, DPT, PRC of Positive Energy Physical Therapy & Sports Performance

Matthew Varca


Interests include: weight-lifting, hiking, Dallas Cowboys football, family, new experiences.

I am passionate about the science surrounding human asymmetry, biomechanics, and breathing. My goal is to optimize your movement so that you can follow your life’s passion.

My physical therapy specialties are ACL rehab protocols. I will help you maximize your ACL injury recovery with specialized physical therapy.

Jay Kim of Positive Energy Physical Therapy & Sports Performance

Jay Kim


Interests include: MMA, weight training, calisthenics, spending time with friends and family.

I use my passion for viewing the body as a synergistic chain to help optimize your movement and help you reach your goals.

Your goals may be occupational or recreational — I’ve helped with first responder injuries, weekend warrior injuries, crossfit injury prevention, combat sports injuries and weight lifting injuries.

Samantha Shook, PT at Positive Energy in Redondo Beach CA
Physical Therapist

Samantha ``Sam`` Shook


Interests include: Running, hiking, cooking new healthy recipes, enjoying time at the beach.

I value the importance of activity in achieving overall health and wellness. I use an individualized approach to treatment to achieve your goals, get you back to what you love to do, and prevent future injuries.

My experience of being a former competitive gymnast helps me relate to the athletes I treat. And because of my background, I have a special interest in working with pre-operative and post-operative care, including joint replacements, ACL injury, and rotator cuff repair protocol.

Alex Gryder physical therapist
Physical Therapist

Alexandra ``Alex`` Gryder


Interests include: hiking, beach walks, traveling, being outdoors, USC football, and time with family and friends.

I believe in an active approach to recovery with personalized sessions to help you achieve your goals and return to the things you love.

After injuring my knee playing soccer in high school, I discovered my calling in helping young athletes with injuries recover and get back to the sports they love. I particularly like helping clients with rehabilitating knee injuries, hip injuries, and ankle injuries both before and after surgery. I’m passionate about enhancing overall wellness to facilitate a return to everyday activities.

Alyssa Gierej
Client Care Manager

Alyssa Gierej

Interests include: Traveling, golfing, the beach, my dog, Formula 1, and spending time with loved ones.

I am happy to help in any way I can. I will listen to your specific needs and match you with the physical therapist who best fits your needs.

Adriane Carton Client Care Administrator
Client Care Administrator

Adriane Carton

Interests include: Sewing, baking, the beach, my cat, the Dodgers, and spending time with my family.

Utilizing my extensive administrative background, my goal is to make appointment scheduling and communication with our highly trained and passionate Positive Energy physical therapist as easy as possible.