Steven J. Tunnell, DC, DACBSP, CSCS, QME has been practicing for over fifteen years. His undergraduate education was at California State University, Northridge. Dr. Tunnell's postgraduate education was at Cleveland Chiropractic College. His post-doctoral education included first achieving the Certified Chiropractic Sports Practitioner (CCSP), followed by the highest level in chiropractic sports medicine, the Diplomate of the American Chiropractic Board of Sports Physicians (DACBSP). Dr. Tunnell has served as Staff Chiropractor and Co-Team Chiropractor for the Long Beach Ice Dogs. He has assisted with sports performance testing with the Los Angeles Kings and Long Beach Ice Dogs. Dr. Tunnell has also worked in the field at professional volleyball tournaments, aerobics championships, martial arts competitions, and fitness competitions. Dr. Tunnell has been a team doctor for several local high school and youth football teams. Dr. Tunnell has lectured about hockey injuries in the Advanced Sports Injuries Program at Southern California University of Health Sciences/Los Angeles College of Chiropractic. He has presented papers at the Chiropractic Sports Sciences Symposium. Dr. Tunnell is also a Qualified Medical Examiner (QME). Dr. Tunnell worked in 2003 at the Olympic Training Center at Colorado Springs with USA Weightlifting Team.

There are several designations that appear after the doctor's name. The first is D.C. and this stands for Doctor of Chiropractic. Two of the designations are for various stages of spots medicine credentials. The first is CCSP and this represents Certified Sports Medicine Practitioner. The second is DACBSP and this stands for Diplomate of the American Chiropractic Board of Sports Physicians. These certifications are achieved through sports medicine curricula, written examinations, practical examination, practical field hours and a publishable paper. The CCSP is the first tier and DACBSP is the second tier. The certifying board is the American Chiropractic Board of Sports Physicians. CSCS stands for Certified Strength and Conditioning Specialist and this certification is attained through the National Strength and Conditioning Association. The designation of QME stands for Qualified Medical Examiner. This is a certification that is achieved after a written examination. This title certifies that the holder is qualified by the State to evaluate workmen's compensation at the highest level. The State of California labor Board has also recognized the DACBSP as an advance degree of training for the evaluation and treatment of workmen's compensation injuries.