The courses we teach and/or the instructors who teach them are approved by: International Board of Undersea Medicine (IBUM), American Safety and Health Institute (ASHI), University of South Florida (USF), International Association of Nitrox and Technical Divers (IANTD), Italian Society of Underwater and Hyperbaric Medicine (SIMSI – Società Italiana di Medicina Subacquea e Iperbarica).