Bungie.net has many user levels such as Forum Ninjas and Superusers. This image gives you an overview.
Sawnose has the highest 'rank' there is, sawnose maintains the site, gives instructions down the chain and approves updates ects.
Sawnose is RunningTurtle's boss who both run and maintain the site, neither post in the forums very often.
The Admin who keeps in touch with the community via the forums. He is also in charge of the webteam and approves of new Forum Ninjas.
Web Team Level
stosh started as a member on bungie.net and was promoted to forum ninja back in 2002. Later Bungie hired him for his artistic talents where he started the avatar, theme and user skin threads in which members could submit user created art. As well as this he is also in charge of all the forum ninjas. If anything ever goes wrong on the website stosh is the first to be blamed.
urk is bungie.nets 'community guy', his role is too be involved with community be that posting in the forums to writing news articles. Urk is the Community Manager.
This user is also a 'community guy' however does more backround stuff on the site now. He has written news articles ect.
DeeJ is the newest member in the Web Team. He is another 'community guy' and seems to be currently keeping on top of everything such as facebook, twitter and website interaction. DeeJ is the Assistant Community manager.
This user known as Ninja on Fire at one time used to be in charge of match making playlists in the Halo games where he got the name MM DJ. Now days he works in the background on projects like bungie aerospace.
Employee Level with Mod Tools
Ghintoch is currently a game tester for bungie.net, his job entails him informing the programmers what to fix and other things that could improve the game, as well as test out the campain and multiplayer functions of their products.
Forum Ninja Level
Forum Ninjas are members of the bungie community who have been around for a few years and are trusted enough by the web team, including achronos and given moderation powers. There are Master Forum Ninjas and Forum Ninjas, the only different between them is their title and a few powers such as 'delete'.
Employee Level without Mod Tools
Mythic, Legendary, Heroic and Member titles are bungie's forum titles. Click the link above for more detail on what the mean and what the colours they are.