Candidates, upon completion of the SSI Divemaster program, have the knowledge and skills necessary when performing the duties of a certified assistant. These include assisting SSI instructors during entry level training programs and follow-on programs.In addition to the functions performed by a Professional Dive Guide with active status, active Divemasters can act as a certified assistant in all SSI recreational diving programs and assist during open water training dives, guiding a maximum of two (2) students simultaneously during a dive.