Out of all those 21 members, I understand only 10 of them actually still work there.
It seems they just won't remove people when they leave, It obviously looks better for them if they have lots of staff.
Morning,
Foureyedflyer, apologies, it was not intentional - there are actually more instructors and staff now than what was shown, the page just hadn't been updated for a while. It's with web developers so should be correct later today. You're right the chairman is not an astronaut but a down to earth chap with a sense of humour