Quality prosthetics and orthotics solutions

for our customers are our top priority.

YOUR PROSTHETICS TEAM

Jenna Barnert, C.P.O. (c)

Certified Prosthetist
Certified Orthotist

Jenna is a certified Prosthetist since 2018 and a certified Orthotist since 2014. She has worked in the Calgary area for over a decade, bringing years of valuable clinical experience and a patient-centered approach to her care. Jenna is dedicated to helping patients achieve improved mobility, comfort, and quality of life.

Ross Mackenzie

Technician – RTPO (c)

Registered Technician Prosthetic, Orthotic

With his 35+ years of continued hands-on experience as a Prosthetic and Orthotic Technician; Ross is one of the most valuable assets of the Colman Team. Aside from his dedication to Colman, Ross enjoys spending time with his family, renovating his home, fishing, and riding his bike.

Najib Rubio

Technician – RTPO (c)

Registered Technician Prosthetic. Orthotic

Technical Lead

Najib is ambitious and has a strong work ethic. He specializes in fabricating Rotationplasty devices. He enjoys working as part of a team and finds satisfaction in the detailed work of designing a custom prosthesis. Najib is an accomplished entrepreneur outside of Colman and loves to travel and spend time with his family.

Michael

Intern Prosthetic Technician
/ Registered Orthotic Technician

Michael started his journey after meeting a Ukrainian Soldier in 2014. Since then he has been driven to learn and become proficient in all things P&O. The little time he spends outside of work, he enjoys with the company of his partner and his cats, and hiking in the mountains.

YOUR ORTHOTICS TEAM

Mark Baumgartner

Practitioner – CO (c)
Certified Orthotist

Mark has been with Colman for several years as a partner in the orthotics discipline. Mark studied clinical neuroscience before becoming intrigued by the creativity involved in orthotics. Approaching an injury with design and creativity in mind has helped Mark become a well-known expert in orthotics.

Ken Laidlaw

Practitioner – CO (c)
Certified Orthotist

Ken is a Calgary native who joined Colman in 1994 after studying at British Columbia Institute of Technology (BCIT). Ken’s favorite thing about Colman is the diversity among its employees – each practitioner has a unique offering in order to deliver the best service to our patients.

Oriah

Certified Orthotist

Oriah first became fascinated with the profession while volunteering with children with disabilities in Asia, seeing the life changing impact orthotics and prosthetics had on their mobility. She became a Certified Orthotist in 2013 and is passionate about helping patients return to the activities they love through thoughtful, patient-specific orthotic design. Outside the clinic, Oriah enjoys mountain biking, fat biking, skiing, and hiking in the mountains with her sidekick dog, Beatrix, who also keeps her company in the lab at work. If you’re a dog lover, be sure to stop by and say hi to Beatrix.

Chelsea Jit

Orthotic Resident

Chelsea has a love for learning, she has received a Bachelor of Science in Kinesiology at Simon Fraser University. She then completed her Clinical Program at BCIT. Currently, she is attending McMaster University to get her Masters of Science in Rehabilitation Sciences, which she will be able to use in her work as part of the team. When she is not at work she loves hiking, working out, baking and playing board games.

Emma Renkema

Certified Orthotist

After completing her Bachelor of Science in Biomechanics at the University of Calgary, Emma graduated from the Clinical Prosthetics & Orthotics program in 2024. She is excited to be doing her orthotic residency at Colman and is passionate about helping people in the activities they love. In her free time, she loves being active with hockey, golfing, and hiking.

Tony Hoang

Orthotic Technician

Tony has been with Colman for over 20 years and is the behind the scenes guy who ensures our patients have the perfect fit. His passions outside of work include traveling and cooking gourmet meals.

Ragdiel Martinez

Orthotic Technician

Ragdiel has enjoyed being a part of the Colman Team for over two years. Outside of learning new skills in orthotics, he enjoys sports, specifically playing soccer.

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Frithjof

Orthotic Technician

Frithjof was certified as an orthopedic technician-mechanic in 2023. After 3 more years of gaining experience in Germany he decided to broaden his skills internationally and started traveling. He is excited about learning different/ new ways to build orthotics and prosthetics and making a positive impact on peoples lives. Outside of the workshop you are most likely to find him up on a mountain or out in the backcountry.

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