As many others have stated, age is not always an indication of experience. So regardless of age there are questions a prospective instructor needs to be asked.
FWIW - in my regular job (non-diving) I was leading teacher training courses by the time I was 19... you just never know.
Aloha, Tim
FWIW - in my regular job (non-diving) I was leading teacher training courses by the time I was 19... you just never know.
Aloha, Tim