Dr. John C. Preston is the Chief Executive Officer for the National Board of Certification and Recertification for Nurse Anesthetists (NBCRNA), located in Chicago, IL. Dr. Preston has been active in nurse anesthesia accreditation, education and regulation for over 20 years. His previous career accomplishments include APRN Representative to the Tennessee Board of Nursing, founding graduate director for the nurse anesthesia program at the University of Tennessee, Knoxville, President of the Council on Accreditation of Nurse Anesthesia Educational Programs and Senior Director for Education and Professional Development with the American Association of Nurse Anesthetists. He has been a registered nurse for 37-years and a Certified Registered Nurse Anesthetist since 1994.