Charles L. Blum, DC, CSCP is in private practice Santa Monica, California and past president of SOTO – USA, now their research chair. Adjunct research faculty at Cleveland Chiropractic College, associate faculty at Southern California University of Health Sciences, teaching TMJ Co-Treatment and Sacro Occipital Technique, and associate faculty at Palmer College of Chiropractic – West teaching Sacro Occipital Technique. Dr. Blum is a Certified SOT Cranial Practitioner, and on the peer review board of the Journal of Craniomandibular Practice (CRANIO), Association of Chiropractic College Conferences, and Journal of Chiropractic Medicine. He has lectured nationally and internationally, has written various SOT related texts, compiled SOT and cranial related research, is chair of the Annual SOT Research Conferences, and extensively publishes in multiple peer reviewed indexed journals and at research conferences from 1984 to the present. Dr. Blum is the SOTO-USA representative to the American Alliance of TMD Organizations and was a Senior Clinical Instructor at the White Memorial Medical Center’s Cranial Facial/TMJ Clinic in Los Angeles, California.