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Meet our dedicated team of professionals who are utilizing the latest procedures and methods that get results.

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Natalie Semon, PT, MPT, CSCS, Cert. DN, CKTP

Natalie Semon is an Arizona native and exercise enthusiast who loves to run, swim, cycle and golf. With over 20 years of experience and a Master’s of Physical Therapy, Natalie enjoys working with people of all ages and ability levels to help them “stay in the game.” Natalie has worked with professional football players, as well as collegiate and high school athletes.

As a Certified Strength and Conditioning Specialist, Natalie is adept at creating customized programs that are designed to address an individual’s specific needs and sporting activity.  Natalie previously worked as an Orthopedic Specialist for Saint Joseph’s Hospital and Medical Center. During her six-year tenure at St. Joe’s, Natalie created the Spine Rehabilitation Program utilized at the Barrows Neurological Institute.

Natalie is an expert in providing pain management treatment through integrative systemic dry needling and cupping/Integrative Microcirculation Therapy. Natalie has had the honor of contributing a chapter on the practical use of Contemporary Dry Needling in conjunction with Dr. Yun-toa Ma, PhD, educator, writer, scientist, and founder of the American Dry Needling Institute. She also assisted Dr. Ma in the teaching of the Advanced Dry Needling techniques.

Natalie obtained her Bachelor of Science in Nutrition from the University of Arizona. In 1995, Natalie then graduated from Mount Saint Mary’s College with a Master’s Degree in Physical Therapy.  Her education included training and internships at UCLA Sports Medicine and Rancho Los Amigos.

Rose Armstrong, ATC, CSCS, CKTP

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Rose has been an employee for Camelback Sports Therapy from its inception and has helped grow the practice to what it is today.

Rose graduated with a Bachelor of Science Degree from the University of Iowa. While attending the University of Iowa, Rose competed on the university’s softball team.  There she developed her interest to combine athletics and medicine and was soon accepted into the Hawkeye’s Athletic Training Program. After graduation she was awarded an athletic trainer internship at Drake University in Des Moines, IA.

Looking for clearer skies, Rose decided to settle in Phoenix.  She began her career as an athletic trainer for John C. Lincoln Institute for Sports Medicine and the Paradise Valley School District.  She worked clinically in physical therapy assisting with the rehabilitation of athletes and served as head athletic trainer for Horizon and North Canyon High School.

After developing a strong passion for rehabilitation Rose changed focus and joined St Joseph’s Center for Sports Medicine and from there Camelback Sports Therapy. Over the years she has acquired certifications from the National Athletic Training Association, National Strength and Conditioning Association and is a Certified Kinesio Taping Practitioner. She continues to provide athletic training services to professional, collegiate, high school, Olympic development athletes as well as the weekend warriors.

Jenny Teslevich, PT, DPT, DN, Cert. LSVT Big Clinician

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Dr. Jenny Teslevich, a Phoenix native, graduated from Arizona State University where she played Division I Volleyball. She earned her Doctorate Degree in Physical Therapy from Northern Arizona University. At NAU, she researched exercise prevention in Division I athletes and effects of intensive physical therapy with regards to chronic stroke. She has coached and trained young female athletes for 5+ years specializing in volleyball.

Dr. Teslevich is extremely driven to provide the best possible care, experience, and results for each of her patients. She enjoys treating individuals of ALL ages with a variety of diagnosis including orthopedic, neurological, and vestibular who want to “stay in the game” and remain active and healthy. She provides pain management treatment through cupping/Integrative Microcirculation Therapy, therapeutic soft tissue mobilization, functional therapeutic exercise, and a variety of techniques to match each individual’s goals and needs.

Dr. Teslevich is also a certified LSVT Big® clinician.  LSVT Big® is a highly specialized movement program for people with Parkinson’s disease to improve walking, limb control/speed, balance, and over-all quality of life.

Dr. Teslevich enjoys staying active by hiking Squaw Peak, attending group fitness classes including Pilates and interval training, and hanging out with friends and family. She enjoys shopping local at farmer’s markets and local artisans as well as finding unique experiences or restaurants in Phoenix.  She looks forward to providing the best individualized care and helping you feel and move better!

Brett Hager, PT, DPT, DN

Dr. Brett Hager, a Phoenix native, graduated from Northern Arizona University with a Bachelor’s in Exercise Science and fell in love with Flagstaff while pursuing his degree. He remained in Flagstaff after graduating and worked at the local medical center as a rehabilitation tech before applying for the physical therapy program at NAU. He was accepted, remained in Flagstaff for some time, and graduated with his Doctorate in Physical Therapy. During his time in the north country, Dr. Hager enjoyed spending his time outdoors mountain biking, hiking, and snowboarding.

Dr. Hager loves working with athletes of all ages and aims to help patients achieve their individual goals through promotion of healthy living, increasing strength and mobility, as well as eliminating pain. He utilizes treatments such as exercise prescription, manual therapy, IASTM, dry needling, cupping, and education to empower patients to heal and recover. He also has a background in treating patients in the hospital setting and feels confident treating patients of all levels and capabilities.

When he’s not in the clinic or the hospital treating patients, Dr. Hager is spending time with his family and running around with his 10-month-old son. He continues to stay active by going to the gym, taking Orange Theory classes, hiking, running, biking, and playing pick up games. He is also a big fan of Arizona professional sports teams and primarily cheers on the Cardinals, Diamondbacks, Suns, and Coyotes.

Martin Bui, PT, DPT, DN

Martin is born and raised in Mississauga ON Canada, a suburb of Toronto. Martin’s passion for Physical Therapy started early in high school, where he sustained various injuries through the sports of rugby and volleyball. The time spent with his Physical Therapist on rehabilitating these injuries gave him a great appreciation for role PT’s play in returning athletes to sport.

Martin graduated from York University with a Bachelor of Arts in Kinesiology, Toronto in 2012. Martin then went on to receive his clinical Doctorate of Physical Therapy from D’Youville College in Buffalo New York at the end of 2015.  At D’Youville, Martin had the opportunity to gain clinical experience in outpatient orthopedic, neurological rehab and acute care settings. The mentors and instructors in these clinical affiliates help shape and evolve Martin’s view of rehabilitation and the movement culture.

Martin strongly believes in the art and science of Physical Therapy to rehabilitate. His treatment philosophy is based on his understanding of the “complexity, integration and adaptable nature” of the human body as a whole. Martin believes the path to recovery is best facilitated through education and understanding the patient’s goals and daily demands to determine and identify the source of one’s movement dysfunction and pain.

Brittney Feivor, PT, DPT, Cert. LSVT Big Clinician

Dr. Brittney Feivor is a Wisconsin native.  She graduated from Marquette University with her undergraduate degree in Exercise Physiology and competed in track and cross country at the D1 level.  She set school records in both the indoor and outdoor 5k, qualifying twice for the NCAA Nationals Preliminary Rounds.  She went on to attend Franklin Pierce University’s Doctor of Physical Therapy program in Goodyear, Arizona.  Additionally, she continued her running career, qualifying for and competing in the 2020 US Olympic Marathon Trials.  Her passion for running has led to extensive knowledge and experience assessing running gait mechanics and prescribing corrective exercises for injury prevention and enhanced performance.

Aside from her love of sports and working with athletes of all ages, particularly endurance athletes, she has a certification in LSVT Big Parkinson’s therapy and truly loves working with this population.  Dr. Feivor also has experience working with the pediatric population addressing issues such as torticollis, plagiocephaly, and motor delay.  She enjoys working with a wide variety of patient and diagnoses and has a passion for helping people of all ages and abilities achieve their highest quality of life through movement.  Additionally, she has a certification in myofascial cupping that she has seen successful in reducing fascial restrictions, increasing blood flow, and decreasing neural tension.

Whitney Boyd, PT, DPT

Dr. Whitney Boyd, a native Midwesterner, earned her Doctorate Degree in Physical Therapy from Creighton University. Dr. Boyd is an exercise enthusiast with a passion for physical therapy and helping patients reach optimal mobility.

Dr. Boyd has experience caring for patients of all ages with a variety of diagnoses, including treatment of spine, hip, and knee dysfunction, in addition to extensive training in spine, concussion, vertigo, and pre and post partum care. She especially enjoys and has had overarching success helping patients improve shoulder mobility after experiencing surgical intervention. She uses patient-centered, evidence-based treatment with an emphasis on therapeutic exercise and manual therapy interventions. Dr. Boyd strives to ensure every patient’s experience is results-oriented and educational, and enjoys sharing the journey with each patient to achieve their goals.

Dr. Boyd focuses on creating individualized treatment plans that efficiently exceed expectations, and prides herself on being an expert in providing pain management treatment through a variety of manual skills and modalities.

Jenna Mahdi, PT, DPT

Dr. Jenna Mahdi grew up in Tucson, AZ and graduated from the University of Arizona with a Bachelor of Science in Physiology. She went on to attend Northern Arizona University and obtained her Doctorate in Physical Therapy.

Dr. Mahdi loves working with a wide variety of diagnoses and injuries, and enjoys being creative in her approach with each person to make their treatment as individualized as possible and custom fit the various lifestyles and needs of her patients. She has especially enjoyed working with patients with shoulder and hip injuries. Dr. Mahdi says her biggest passion is helping her patients understand the “why” behind what they do at physical therapy so they leave with not just an improvement in quality of life, but a better understanding of the human body.

Outside of work, Dr. Mahdi enjoys reading, hiking, trying different fitness classes, and listening to true crime podcasts. She also enjoys finding new restaurants and breweries around the city with family and friends.

Mitchell Dreska, PT, DPT, CSCS

Dr. Mitchell Dreska is originally from Illinois and earned his Bachelor of Science in Exercise Sports Science from the University of Wisconsin – La Crosse. During his time at La Crosse, he got his certification as a Certified Strength and Conditioning Specialist (CSCS) and acted as a coach and personal trainer helping clients from a variety of backgrounds achieve their health goals. Dr. Dreska then continued his education at Northern Arizona University, where he earned his Doctorate in Physical Therapy.

Dr. Dreska has been involved in sports his entire life and has a passion for improving human performance, especially in athletics. He is passionate about helping every patient improve their performance, whether that be getting back to sports or in performing daily activities without pain.

In his free time, Dr. Dreska enjoys training and competing in weightlifting, going on hikes, camping, skiing, snowboarding and spending time with family and friends.

Alex Okonek, PT, DPT

Dr. Alex Okonek, a native of western Washington, graduated from Pacific University with a Bachelor’s in Exercise Science. Upon graduation from Pacific, he worked for a year and a half as a rehab tech in Puyallup, WA. From there he was accepted to Midwestern University where he graduated with his Doctorate in Physical Therapy. During Dr. Okonek’s time at Midwestern, he fell in love with the different aspects of Arizona from the desert to the pine trees of Flagstaff, and enjoys spending his time outdoors.

Dr. Okonek loves working with people of all ages and aims to help his patients achieve their individual goals through promotion of healthy living, increasing strength and mobility, as well as eliminating pain. He utilizes treatments such as exercise prescription, manual therapy, IASTM, cupping, and education to empower patients in healing and recovery.

When he’s not in the clinic treating patients, Dr. Okonek is spending time with his wife, Katie, and their French Bulldog, Mia. He continues to stay active by working out at his home gym, hiking and mountain biking. He is also a big fan of Washington professional sports teams; cheering on the Seahawks, Mariners, and Sounders.

Eric Torgerson, PTA


Eric grew up in Idaho and earned his Bachelors of Science degree in Exercise Science from Dordt College in Iowa and later earned his Physical Therapist Assistant degree.

Eric specializes in patients with orthopedic and sport related injuries, which has a lot to do with his past involvement in athletics.  He incorporates Integrative Microcirculation Therapy/cupping and Kinesio Tape into his treatment.  Both result in added benefits that provide relief outside of your physical therapy appointment.

As a former collegiate football and baseball athlete, Eric has an understanding of the physical demands required to excel in sports.  He utilizes this skill every day to rehabilitate our athletes of all sports and levels.  He also worked as an Athletic Trainer at Dordt College which provided him excellent experience in accurately assessing pain/injury and returning athletes quickly to their sport.

In his free time, Eric continues to enjoy playing recreational baseball, going to any and all sporting events, traveling to unique locations, and hanging out with friends.

Eric Strode, PTA

Eric is an Arizona native and began his path to becoming a physical therapist assistant after being honorably discharged from the United States Marine Corps (USMC). From the USMC he transitioned to becoming a personal trainer where his passion for helping others improve physically grew. With the goal of learning more ways to best help others be the best they can be, Eric went on to earn his Physical Therapist Assistant degree.

His past experiences helped shape the mindset he has now practicing as a PTA. He is actively invested in healing the whole person by working with them to set and reach their goals through education, stretching, manual therapy, and personalized care.

During Eric’s free time you can find him cheering for the Yotes (Arizona Coyotes) no matter what their record is. He also enjoys power-lifting and staying in shape, hiking, and hanging out with friends.

Jen Nevatt, PTA

Jen came to Phoenix from Philadelphia almost 14 years ago and hasn’t shoveled snow since. She attended and graduated from Arizona State University with her Bachelors of Science in Kinesiology and after interning at Camelback Sports Therapy, decided that physical therapy was the path she would take. Jen went back to school for her PTA license and was excited to return to CST and help people get back to living their best lives in this city that has so much to offer.

Jen has always been passionate about helping people and has found the perfect way to blend her love for athletics and education to improve peoples’ function in this setting. She enjoys treating all patient populations and especially loves to teach patients how small adjustments can make a big difference in their overall quality of life. Jen utilizes her knowledge of the human body while providing skilled hands on treatment, cupping, ASTYM, kinesio tape, and of course exercise therapy to optimize patients’ movements and help them get the results they want.

In her spare time, Jen enjoys researching and taste-testing local breweries, playing and coaching lacrosse, spending time with her fiance and two dogs, and exhausting all options on Netflix.