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Our Doctrine

"You can't live a perfect day without doing something for someone who will never be able to repay you"

- John Wooden

Our Mission

Helping patients with arthritis or other bone debilitating bone and joint conditions to live their life to the fullest, and empowering surgeons and medical professionals in developing countries with knowledge of the most advanced treatments and surgical techniques.

Our Vision

A higher quality of life for patients living with bone and joint conditions in developing countries, and empowerment through knowledge for local healthcare professionals.


Volunteers with big hearts

Operation Walk International's team consists of volunteers from Prescott and Scottsdale, Arizona; and Lima, Ohio.  With the collaboration with Operation Walk Canada, we also have volunteers from Toronto, London, Vancouver, Ottawa, and the United Kingdom.

The roles filled by our volunteers include:


Orthopaedic Surgeons


Orthopaedic O.R. Nurses




Orthopaedic Post-Op Nurses




Sterilization Technicians


Physical Therapists


General Volunteers

Lead by Doctors


Dr. Bertrand Kaper, MD

Dr. Bertrand Kaper has been an orthopedic surgeon in Arizona since 1999 Dr. Kaper is a fellowship-trained joint replacement surgeon, specializing in treating hip pain, knee pain, and shoulder pain. He has extensive clinical experience, having performed more than 10,000 surgeries.  He is an attending surgeon and chairman of the Section of Orthopaedic Surgery at HonorHealth Scottsdale – Thompson Peak in Scottsdale. He also maintains consulting privileges at Yavapai Regional Medical Center in Prescott.


Dr. James Patterson, MD

Dr. James Patterson is Board Certified in Orthopaedic Surgery. He graduated from the University of Dayton, received his medical degree from the University of Cincinnati, and completed a General Surgery internship and Orthopaedic Surgery residency at the University of Cincinnati. He then completed a post-doctoral Fellowship in Total Joint Reconstruction and Replacement at the University of Western Ontario, London Health Sciences Center.  He began practice at the Orthopaedic Institute of Ohio/Institute for Orthopaedic Surgery in Lima, Ohio and surrounding communities in 2001.

Volunteer Team Photos