To become an EMS supervisor, you need to have extensive experience and education in emergency medical services, as well as strong leadership, communication, and problem-solving skills. Generally, you should possess a high school diploma or equivalent, a valid driver's license and clean driving record, and a certification or license as an emergency medical technician (EMT) or paramedic. Additionally, you should have a minimum of three to five years of EMS experience, preferably in a supervisory role. A bachelor's degree or higher in emergency management, health administration, or a related field is preferred but not required. Furthermore, certifications or trainings in advanced cardiac life support (ACLS), pediatric advanced life support (PALS), or other relevant areas are beneficial. Lastly, being knowledgeable of EMS laws, regulations, and best practices, as well as having proficiency in using EMS software, equipment, and technology are advantageous for the role.