Shannon received her initial Masters degree from the University of Oklahoma as adult nurse practitioner after completing a Bachelor of Science degree in Nursing from the University of Oklahoma. She began her career as a registered nurse with extensive cardiac experience, including general cardiology and cardiac catherization experience. She continues to be active with interventional and noninvasive cardiology. She has maintained her national certification with the American Academy of Nurse Practitioners. She is also a member of the Oklahoma Nurse Practitioner Association and American Nurses Association.