Dr. Jane Brewer, D.C., DCCJPUpper Cervical Innovator, Interdisciplinary Advocate, and Community Builder Dr. Jane Brewer is the founder of Precision Chiropractic in Colorado and holds the DCCJP Diplomate—one of only ~60 globally. She’s a leader in upper cervical care, especially in craniocervical instability and post-concussion syndromes. A board member for the ICA’s Upper Cervical Council and Society of Chiropractic Orthospinology, she speaks regularly at interdisciplinary events. Dr. Brewer blends research, service, and community-building—locally and globally through her nonprofit work in Guatemala.