District Commissioner (DC) - The DC is in charge of overseeing all club activities and functions as a president might in other types of clubs.

Joint District Commissioner (JtDC) - There can be more than one JtDC in a club.  Their job is to assist the DC in the running of the club.  Their function is similar to a vice president in other types of clubs.

Regional Supervisor - The RS oversees all the clubs in the region.