Dr. Dennison has extensive experience in critical care nursing, working as a staff nurse, nurse educator, clinical nurse specialist, consultant, and professor. She has also been very involved in planning and providing professional development programs throughout the United States for the last 30 years. She is currently certified as a critical care clinical nurse specialist (CCNS) by the American Association of Critical-Care Nurses, as a certified nurse educator (CNE) by the National League for Nursing, and as an nurse executive and nursing professional development specialist by American Nurses Certification Corporation. She is a member of the interprofessional education team @USAHS.