Dr. Zajac received his Doctor of Chiropractic Degree from the National College of Chiropractic in 1991. He received his Doctor of Naprapathy Degree from the Chicago National College of Naprapathy in 1988. He has also completed his Masters Certification program in whiplash traumatology (cervical spine injury) from the Spine Research Institute of San Diego. He received a Certificate of Completion for Chiropractic Rehabilitation of the Spine at Southern California University of Health Sciences in July 2001.

In an effort to stay abreast of the latest and most effective treatment interventions, he continues to attend various seminars and continuing education programs on musculoskeletal, nutrition and other health related topics of interest.

As a former member of the American Chiropractic Association, and a current member of the Indiana State Chiropractic Association, he is actively involved in the future and dynamics of the Chiropractic profession.

Dr. Zajac is enthusiastic about his chosen field of natural healing, offering patient centered care with genuine concern, focusing on: Health Promotion and Disease Prevention.