Joey Kristoffersen

Joey has been a staple at Northern Hills Sport Physiotherapy since he received his Master's in Physiotherapy at the University of Alberta in January 2008. His unique perspective of diagnostic troubleshooting has made him a valuable resource for team members and clients alike.

Joey reluctantly continues to work as needed but without a doubt would rather make a living playing his guitar in front of sold out stadiums with his band Don Coyote and filling free time with his biking and travelling passions.

We have seen Joey develop as a PT, a father, an avid outdoor enthusiast and a performer over the last decade and are very proud to have him onboard!

Having the consistency ot Joe on staff keeps his happy clientel referring his expertise and the machine rolling along. 

He has currently added IMS / Dry Needling ot his treatment repitrior.  

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Hannah Williams

Hannah graduated with honours from the University of Alberta with a Bachelor of Science in 2013 then completed a Masters of Science in Physiotherapy at Dalhousie University in 2015. She has completed additional post-graduate training including advanced vestibular rehabilitation, concussion management, functional dry needling, and myofascial release techniques. 

Hannah combines techniques such as IMS and myofascial release with her expertise in anatomy and functional exercise to provide active rehabilitation programs to meet her patient’s unique goals. In addition to treating orthopaedic injuries from life and sport, Hannah has a special interest in concussion management. Hannah provides guidance and treatment programs to reduce symptom burden and optimize safe return to work, school, and sport following concussion.

Dizziness, vertigo, disequilibrium, and balance difficulties can be extremely challenging to daily life. These symptoms are frequently related to conditions such as BPPV, vestibular neuritis/labyrinthitis, and vestibular hypofunction. Vestibular rehabilitation involves individualized exercises and specific techniques to resolve and improve the symptoms related to these conditions. Hannah uses her expertise in vestibular rehab to develop an individualized plan to help patients struggling with these challenges return to their usual activities.

When not working, Hannah uses every opportunity to get outside. She enjoys hiking, snowshoeing, running, and backcountry camping. 

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Tiny Jacob

Tiny Jacob is passionate about the wonderful healing methods of rehabilitation medicine, started his career as a Physiotherapist in India. He worked as a chief physiotherapist for more than a decade in a super specialty hospital in India, before moving to Canada. In Canada he was introduced to Canadian health care system as a Physiotherapy assistant while he was preparing for his license exam. Tiny worked as a Physiotherapist in B C health and later moved back to Calgary to join as a Physiotherapist in the Clinical settings. He is experienced in treating musculo-skeletal and neurological conditions and strongly advocates evidence based practice.

Apart from work, Tiny enjoys exploring nature, fishing, biking and spending time with his lovely family. He is also keen in learning languages and Church history.

Tiny strongly believes in the magnificent words “Listen to your body, cure lies within you”.

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Karen Chan

Karen is an experienced and compassionate clinician. She has always treasured the unique role of physiotherapists in making a difference in the quality of life in patients. Karen believes in working with her patients as a team; taking an individualized and holistic approach; using evidence-based practice; and empowering patients in their road of rehabilitation

Karen graduated in 2000 with Bachelor of Physiotherapy in King’s College London, University of London in England. Later in 2008, she completed her Master of Physiotherapy in The Hong Kong Polytechnic University. She also furthered her education in areas including manual therapy, exercise therapy and clinical pilates.

Before relocating to Calgary, Karen worked in both public and private services for more than 18 years in Hong Kong, offering her comprehensive expertise in treating a variety of conditions including musculoskeletal, neurological, respiratory, pre- and post-natal women’s health, geriatrics and pediatrics. Throughout her years of practice, she developed a special interest in chronic spinal pain. With manual therapy, exercise therapy, ergonomics and education, she is confident that physiotherapy does bring a huge impact!

Outside of work, Karen loves exploring the wonderful nature, going hiking and biking with her family. Being a pianist and a trombonist, making music is another way Karen enjoys life.

Apart from English, Karen is fluent in Cantonese and Mandarin.

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Christine Salter

Christine has recently come back to Northern Hills Sports Physio after a short time away and she is happy to be part of this amazing team. Christine studied at the School of Physiotherapy at the University of Saskatchewan, graduating in 1992. Christine completed her manual therapy studies through the Canadian Physiotherapy Association and through this process she became more skilled with mobilization and manipulation of the spine. She has also completed courses in Traditional Chinese Acupuncture, dry needling and intramuscular stimulation IMS. She uses dry needling and IMS to treat stubborn trigger points and release tight overused areas of the body.

Christine became interested in treatment of concussion and vestibular therapy which often occurs as a result of a motor vehicle accident or a sports injury. This includes the treatment of BPPV, a condition which affects the crystals in the inner ear and can lead to vertigo, a spinning sensation when the head is moved. Vertigo and balance disorders often need medical attention and Christine collaborates with physicians and specialists to get a proper diagnosis and treatment plan.

Christine engages her patients to perform simple therapeutic movements and exercises to identify and strengthen the weak link in their body. A thorough physiotherapy assessment usually reveals an underlying biomechanical fault, some movement restriction or an overuse pattern such as a tennis elbow or tendinitis as a result of over training. Christine works with her patient to help them understand their body better and provide them with awareness of what they can do to help themselves.

Christine practices yoga, enjoys mountain biking as well as other mindfulness practices to attend to physical and mental well-being and has found these practices so very helpful in understanding her own injuries and healing process.

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Greg Douglas

Greg graduated with a Master’s degree in Physiotherapy from UBC in 2022 after finishing his Bachelor’s in Human Kinetics at UBC Okanagan campus in 2020.  So far, Greg has furthered his physiotherapy education by completing his Advanced Integrated Musculoskeletal level one certificate. Greg practices using an evidence informed approach that combines exercise prescription, manual therapy, modalities, and education to empower patients, allowing them to reach their rehabilitation goals. Greg is motivated to help his patients feel better so they can return to work, school and most importantly, the activities they love. Greg’s own experience with the healthcare system has taught him the importance of advocating for his patients, ensuring they don’t become stagnant in their journey towards optimal health. 


Greg was born in Calgary and has returned after a six-year stint in BC so that he can be closer to his family. He enjoys spending his free time playing hockey and tennis, road biking, hiking, skiing, exploring new restaurants and cooking.

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Rebecca Brady

Rebecca graduated from the University of Calgary with a Bachelor's degree in Kinesiology in 2018, and previously worked as a Kinesiologist before returning to school in 2019. Rebecca also obtained her CSEP-CPT personal training certificate during her time between degrees. Rebecca graduated with her Masters of Science in Physical Therapy from the University of Alberta in December 2021. She has obtained her Canadian Orthopedic Division Advanced Integrated Musculoskeletal level 1 manual therapy certification since graduating. Rebecca has special interests in chronic pain, vestibular rehabilitation, and concussion management and plans to further her education in these areas as well as obtain further certification in IMS and manual therapy. Rebecca emphasizes an individualized approach to rehabilitation that combines education, manual therapy, and exercise prescription that targets each patient's individualized goals. She is passionate about exercise and health and enjoys mountain biking, skiing and hiking whenever she can, and often brings her dog along with her. Rebecca is excited to work with the team at Northern Hills Sport Physiotherapy to ensure patients meet their rehabilitation goals.

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Graham Matheos

I am the founder and owner of Northern Hills Sport Physiotherapy. I was initially interested in Physiotherapy, like a lot of other PT's after being treated for several injuries as a younger adult. The profession enticed me with the work environment. I found PT clinics to be a laid back environment to work in and an environment where the therapists were faced with a variety of challenging issues to deal with thus continuing to keep them on their toes and not allowing them to get bored with working on the same thing over and over. 23 years into my career I have found that I really enjoy my job, the social interaction and being able to help individuals has been an added bonus.

I was trained in my home town of Saskatoon at the U of S, yes I bleed green (Go Riders!!!) and furthered my skills with manual courses including being a Manipulative Therapist. I am a certified acupuncture and Intra muscular Stimulation (IMS) Practitioner which has been a huge asset to my practice. I emphasize client input to their rehab and educate them on anatomy, injury pathology, home programs, ergonomics with regards to not only work but home and recreational activities. I find that the more involved a client is with their own rehab, the better they do in achieving and maintaining optimal health. In the end it all adds up to being able to do what you love and being pain free doing it, thus allowing you to enjoy it as much as possible.

I think this is my goal. I love work but I love to play even more. Mostly that is being able to play hockey, hike, surf, wakeboard, snowboard, mountain, motor and road bike and horseplay at a level that my kids are pushing me to. As they get older I find that my years of being able to beat them at everything is limited and I plan on giving them a run for their money for years to come. As a result, my own rehab and maintenance is important and I practice what I preach for the most part and so far so good. So bring it on Joey, Ellie, and Sammy!

Owning a clinic has been a great challenge for me in the past 20 years. Business has been something that I have learned on the go and I have found that the saying, 'you are only as good as your weakest link' holds true. I know that Northern Hills Sport Physiotherapy has been a great place for patients, and workers alike due to my success in staffing. I pride myself in this aspect and put a lot of emphasis on who I hire to ensure a great work environment and a great place for people to receive treatment. I hire high level therapists, with personalities that fit our professional, relaxed and productive atmosphere. This has resulted in a culture that people like to work in and where clients get results!

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