The Community Manager is an interesting role that is evolving in the "Enterprise 2.0" world.  It sounds a lot like the "community editor" role we've been discussing as part of the storycapture process.  (We're seeing an important function for someone who's an "encourager" and curator in the collaborative / content collection process.)  Below are two articles discussing (and debating, to some extent) what that role is.

From Dion Hinchcliffe ...

Community management: The 'essential' capability of successful Enterprise 2.0 efforts | Enterprise Web 2.0 | ZDNet.com http://bit.ly/xn3hv

... and from Dennis Howlett:

The burnout risks for E2.0 community managers | Irregular Enterprise | ZDNet.com http://bit.ly/2TiLH