
Meet Our Physical Therapy Staff
From the moment you step into Upright Athlete Physical Therapy in Durham, you’ll feel right at home. Our friendly staff will help you begin your path to recovery and answer any questions along the way. Here are some of the warm faces and professional Physical therapists that you will encounter during your treatment at our clinic.

Brian Diaz, The founder of Upright Athlete and ActivEdge Fitness and Sports Performance, grew up in Chicago where he was a three-sport high school athlete competing in soccer, basketball, and baseball. He continued soccer at the collegiate level.
He received his Master’s degree in Physical Therapy (MPT) from the nationally ranked program at The University of Iowa. Brian is a Certified Strength & Conditioning Specialist (CSCS) through the National Strength & Conditioning Association (NSCA) and is one of only two people in the Triangle area certified in Sportsmetrics ACL and knee injury prevention by the Cincinnati Sports Medicine group.
Brian is certified in Pilates Mat by Balanced Body and is a Level II Certified TRX® Suspension Training instructor. He has coached soccer locally for the top area clubs and the Durham Academy Men’s Varsity team.
Certifications
Strength & Conditioning Specialist
Trigger Point Dry Needling
Sportsmetrics ACL knee injury Prevention
TRX Suspension Level II
Certified USA Triathlon Coach
Brian Diaz, PT, CSCS
Clinic Director and Physical Therapist

Ellen Langhi is our lead massage therapist and has been voted #1 in the Triangle area by Endurance Magazine. Ellen is a former Duke University basketball player who then became a Certified Personal Trainer (CPT) and Licensed Massage and Bodywork Therapist (LMBT) after college.
She has been working with ActivEdge for the past 5 years while still seeing clients and athletes at both Duke and UNC. Despite her allegiance to Duke, she has been the massage therapist for the UNC men’s and women’s basketball teams, and the UNC men’s tennis team for the last several seasons. She has added several athletes from Duke’s cross-country, track & field, and golf teams as well. She is passionate about helping her clients return to activity pain-free and ready to perform at a higher level.
Some of Ellen’s many massage techniques were written up in Endurance Magazine and reprinted on our website under Articles. Please call the studio to set up an appointment directly.
Ellen Langhi, LMT
Massage Therapist

After graduation, Gabe was a baseball performance coach for 4 years where he studied the biomechanics of hitting and throwing and taught hitting and catching lessons. Gabe earned his doctorate of physical therapy from UNC-Chapel Hill and graduated in 2020. Gabe is certified in SFMA level I and integrates functional movement and manual therapy into his approach. Gabe enjoys sports, exercise, and spending time with his wife and two boys.
Gabe Dimock, PT, DPT
Physical Therapist

Leah grew up in Huntersville, North Carolina and recently graduated from her dream school, The University of North Carolina at Chapel Hill, in May 2019. While pursing a bachelor’s degree in Exercise and Sport Science, she also was a member of the softball team.
Leah served as the team’s community service coordinator as well as one of the veteran leaders. Aside from softball, she enjoys, wakeboarding, snowboarding, and a variety of other outdoor activities.
In an attempt to apply to a Doctorate of Physical Therapy program, Leah is taking a year off to gain some experience in the field and finish some prerequisite classes. At Upright Athlete, Leah works as a therapy aide and front desk manager.
Leah Murray, CSCS
Personal Trainer

She then earned her doctorate degree in physical therapy from UNC-Chapel Hill in 2022. Patricia enjoys maintaining an active lifestyle through weight lifting, running, and hiking. She also loves traveling, game nights, and reading mystery novels.
Patricia Callison, PT, DPT
Physical Therapist

Mia is a proud member of Alpha Kappa Alpha Sorority, Incorporated, and enjoys volunteering in the community. She is also Emergency Medical Technician certified and is finishing her Master’s degree through Duke University School of Medicine. Aside from school, she enjoys traveling and teaching others life-saving life water skills.
While finishing her current degree, she is also applying to Doctorate of Physical Therapy programs. At Upright Athlete, Mia works as a therapy aide and front desk manager.
Mia Gowdy
Front Desk Manager