After completing his Biomechanics Fellowship in 1985, Dr. Kirby moved to Sacramento where he has been practicing podiatry in an orthopedic group for the past 27 years. His practice specialties include podiatric surgery, sports medicine, foot orthotics, and pediatric and adult foot and gait abnormalities.
In addition to his practice, Dr. Kirby is an Adjunct Associate Professor in the Department of Applied Biomechanics at the California School of Podiatric Medicine, is a member of the Editorial Advisory Board for the Journal of the American Podiatric Medical Association, is a Manuscript Reviewer for the Journal of Biomechanics and Journal of Foot and Ankle Surgery, and former Chairman of Podiatric Surgery at Methodist Hospital in Sacramento. He is Board Certified in the American Board of Podiatric Orthopedics and Primary Podiatric Medicine and is a Qualified Medical Examiner for the State of California. Dr. Kirby has written extensively on the subjects of foot orthotics, biomechanics and sports medicine. He has written three books on foot and lower extremity biomechanics and foot orthosis therapy and foot biomechanics which have been sold to podiatrists in over seven countries. He has authored or coauthored a total of 25 scientific/medical papers in peer-reviewed journals. In addition, he has authored chapters in four podiatric medical textbooks. Dr. Kirby is frequently invited to lecture both nationally and internationally on the subjects of foot orthotics, biomechanics and sports medicine and has given numerous lectures in Great Britain, Spain, China, Australia, Australia, New Zealand, Canada, and throughout the United States.