In order to see all members of the Holy Lightbringers please check the Official Roster from World of Warcrafts official site (link goes directly to our roster page in the armoury)

Here below you will find some more information about a few selected members:

Position: Guild leader (Commander)
Maelmoor is the founder of the Holy Lightbringers, a paladin with great interest in politics and diplomacy, he is currently the chairman of the Stormwind Council.