Reed Ferber, PhD, CAT(C), ATC, is an associate professor in the faculties of kinesiology and nursing at the University of Calgary and cofounder and director of the Running Injury Clinic in Calgary, Alberta, Canada. Since 2003, he and his colleagues at the Running Injury Clinic have been among the world's leaders in 3-D gait assessment and technology. Ferber received his PhD in biomechanics from the University of Oregon in 2001. He is a research associate for the Institute of Sport and Recreation Research in New Zealand and a certified member of the Canadian Athletic Therapists' Association and the National Athletic Trainers' Association. He has won several awards in teaching excellence and has authored or coauthored 43 articles appearing in Clinical Biomechanics, Gait and Posture, Clinical Journal of Sports Medicine, Journal of Sport Rehabilitation, and other publications.

Shari Macdonald, BSc, PT, MSc, has worked for over 15 years as a physical therapist specializing in the assessment and treatment of musculoskeletal injuries. She has earned postgraduate certifications in manual therapy, dry needling techniques, and sport. Shari is the chairperson for the Alberta section of Sport Physiotherapy Canada and is a national board member. Since 2009, Shari has been the clinic director at the Running Injury Clinic in Calgary, Alberta, where they specialize in assessing gait biomechanics and the treatment of running injuries. Shari earned her master of science degree in biomechanics from the University of Calgary.