Kim McKenna Kim McKenna serves as the Director of Education for the St. Charles County Ambulance District in metropolitan St. Louis, Missouri. For the previous six years, Kim was the Chief Medical Officer for a fire-based EMS program. She has been a registred nurse for more than 30 years with clinical experience in emergency and critical care nursing and, for the past 20 years, in pre-hospital and emergency education. Kim is an active member of the National Association of EMS Educators and is the editor of their scholarly publication, Domain 3. Read More Read Less