an Entity references as follows:
Diving safety officer (DSO) is the title held by the person who administers a United States university's research diving safety program. They serve as a member of the institution's diving control board (DCB), and needs broad technical and scientific expertise in research-related diving. Typical qualification include training and experience as a scientific diver, regular membership in the American Academy of Underwater Sciences (AAUS), and qualification as a diving instructor from an internationally recognized certifying agency.