Michelle L. Lange, OTR/L, ABDA, ATP/SMS, is an occupational therapist with more than 25 years of experience in the area of assistive technology. She is the former clinical director of the assistive technology clinics of Children’s Hospital Colorado. Now in private practice, Ms. Lange evaluates and treats children and adults with a variety of diagnoses and provides consultation and education in the areas of wheelchair seating and mobility, accessibility, assistive technology access, mounting, interfacing, and electronic aids to daily living. She is a well-respected lecturer who presents live educational programs and webinars nationally and internationally, and has authored four book chapters and nearly 200 articles. Ms. Lange is the editor of Fundamentals in Assistive Technology, 4th ed., and clinical editor of Directions magazine, a publication of the National Registry of Rehabilitation Technology Suppliers (NRRTS). She is on the teaching faculty of the Rehabilitation Engineering and Assistive Technology Society of North America (RESNA). A past member of both the Rehabilitation Engineering Research Center (RERC) on the Wheeled Mobility Advisory Board and current member of the Clinician’s Task Force, Ms. Lange is a certified Assistive Technology Professional (ATP), certified Seating and Mobility Specialist (SMS) and is a Senior Disability Analyst of the American Board of Disability Analysts (ABDA).