Trevor Campbell, a certified independent medical examiner, is an experienced medical advisor with extensive knowledge in disability and rehabilitation, multidisciplinary pain management, and opioid reduction programs. He is the author of "The Language of Pain," a book and online course for chronic pain patients and their caregivers. With his strong background in occupational medicine and family medicine, as well as his position as faculty at the University of British Columbia, Campbell has a major interest in healthcare electronic applications. His proven track record in healthcare services, permanent functional impairment examinations, and education make him a healthcare services professional to rely on.